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.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:57:15,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:57:15,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:57:15,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:57:15,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:57:15,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:57:15,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:57:15,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:57:15,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:57:15,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:57:15,243 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:57:15,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:57:15,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:57:15,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:57:15,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:57:15,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:57:15,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:57:15,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:57:15,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:57:15,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:57:15,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:57:15,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:57:15,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:57:15,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:57:15,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 06:57:15,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 06:57:15,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 06:57:15,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 06:57:15,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 06:57:15,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 06:57:15,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:57:15,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:57:15,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:57:15,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:57:15,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:57:15,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:57:15,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:57:15,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:57:15,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:57:15,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:57:15,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:57:15,270 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 06:57:15,288 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:57:15,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:57:15,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:57:15,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:57:15,290 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:57:15,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:57:15,290 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:57:15,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:57:15,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:57:15,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:57:15,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:57:15,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:57:15,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:57:15,292 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:57:15,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:57:15,292 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:57:15,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:57:15,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:57:15,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:57:15,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:57:15,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:57:15,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:57:15,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:57:15,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:57:15,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:57:15,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:57:15,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:57:15,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:57:15,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:57:15,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:57:15,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:57:15,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:57:15,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:57:15,343 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:57:15,344 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-10 06:57:15,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8da1889/81ac1462402346d3b0c89b0cdb655b50/FLAGfe9a6203a [2019-08-10 06:57:16,075 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:57:16,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-10 06:57:16,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8da1889/81ac1462402346d3b0c89b0cdb655b50/FLAGfe9a6203a [2019-08-10 06:57:16,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8da1889/81ac1462402346d3b0c89b0cdb655b50 [2019-08-10 06:57:16,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:57:16,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:57:16,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:57:16,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:57:16,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:57:16,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:57:16" (1/1) ... [2019-08-10 06:57:16,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1203aa0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:16, skipping insertion in model container [2019-08-10 06:57:16,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:57:16" (1/1) ... [2019-08-10 06:57:16,249 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:57:16,367 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:57:17,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:57:17,378 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:57:17,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:57:17,904 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:57:17,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:17 WrapperNode [2019-08-10 06:57:17,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:57:17,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:57:17,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:57:17,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:57:17,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:17" (1/1) ... [2019-08-10 06:57:17,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:17" (1/1) ... [2019-08-10 06:57:17,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:17" (1/1) ... [2019-08-10 06:57:17,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:17" (1/1) ... [2019-08-10 06:57:18,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:17" (1/1) ... [2019-08-10 06:57:18,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:17" (1/1) ... [2019-08-10 06:57:18,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:17" (1/1) ... [2019-08-10 06:57:18,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:57:18,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:57:18,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:57:18,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:57:18,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:17" (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 06:57:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:57:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:57:18,159 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:57:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:57:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:57:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 06:57:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:57:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:57:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:57:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:57:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:57:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:57:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:57:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:57:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-10 06:57:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:57:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:57:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:57:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:57:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:57:20,850 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:57:20,852 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:57:20,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:57:20 BoogieIcfgContainer [2019-08-10 06:57:20,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:57:20,854 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:57:20,855 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:57:20,855 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:57:20,857 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:57:20" (1/1) ... [2019-08-10 06:57:21,806 WARN L188 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2019-08-10 06:57:22,378 WARN L188 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 212