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.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 13:48:07,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 13:48:07,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 13:48:07,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 13:48:07,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 13:48:07,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 13:48:07,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 13:48:07,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 13:48:07,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 13:48:07,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 13:48:07,190 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 13:48:07,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 13:48:07,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 13:48:07,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 13:48:07,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 13:48:07,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 13:48:07,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 13:48:07,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 13:48:07,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 13:48:07,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 13:48:07,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 13:48:07,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 13:48:07,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 13:48:07,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 13:48:07,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 13:48:07,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 13:48:07,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 13:48:07,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 13:48:07,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 13:48:07,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 13:48:07,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 13:48:07,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 13:48:07,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 13:48:07,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 13:48:07,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 13:48:07,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 13:48:07,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 13:48:07,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 13:48:07,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 13:48:07,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 13:48:07,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 13:48:07,231 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 13:48:07,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 13:48:07,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 13:48:07,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 13:48:07,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 13:48:07,248 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 13:48:07,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 13:48:07,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 13:48:07,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 13:48:07,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 13:48:07,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 13:48:07,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 13:48:07,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 13:48:07,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 13:48:07,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 13:48:07,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 13:48:07,250 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 13:48:07,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 13:48:07,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 13:48:07,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 13:48:07,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 13:48:07,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 13:48:07,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 13:48:07,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 13:48:07,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 13:48:07,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 13:48:07,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 13:48:07,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 13:48:07,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 13:48:07,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 13:48:07,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 13:48:07,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 13:48:07,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 13:48:07,314 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 13:48:07,315 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 13:48:07,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-08-08 13:48:07,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dff30ca7/085d656a0a5e4c7ab3453b9ba323114e/FLAGfc4033046 [2019-08-08 13:48:07,992 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 13:48:07,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-08-08 13:48:08,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dff30ca7/085d656a0a5e4c7ab3453b9ba323114e/FLAGfc4033046 [2019-08-08 13:48:08,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dff30ca7/085d656a0a5e4c7ab3453b9ba323114e [2019-08-08 13:48:08,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 13:48:08,287 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 13:48:08,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 13:48:08,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 13:48:08,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 13:48:08,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:48:08" (1/1) ... [2019-08-08 13:48:08,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6f5fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:48:08, skipping insertion in model container [2019-08-08 13:48:08,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:48:08" (1/1) ... [2019-08-08 13:48:08,304 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 13:48:08,387 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 13:48:08,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:48:08,795 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 13:48:09,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:48:09,083 INFO L192 MainTranslator]: Completed translation [2019-08-08 13:48:09,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:48:09 WrapperNode [2019-08-08 13:48:09,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 13:48:09,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 13:48:09,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 13:48:09,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 13:48:09,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:48:09" (1/1) ... [2019-08-08 13:48:09,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:48:09" (1/1) ... [2019-08-08 13:48:09,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:48:09" (1/1) ... [2019-08-08 13:48:09,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:48:09" (1/1) ... [2019-08-08 13:48:09,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:48:09" (1/1) ... [2019-08-08 13:48:09,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:48:09" (1/1) ... [2019-08-08 13:48:09,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:48:09" (1/1) ... [2019-08-08 13:48:09,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 13:48:09,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 13:48:09,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 13:48:09,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 13:48:09,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:48:09" (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 13:48:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 13:48:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 13:48:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 13:48:09,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 13:48:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 13:48:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-08 13:48:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 13:48:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 13:48:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 13:48:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 13:48:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 13:48:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 13:48:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 13:48:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 13:48:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-08 13:48:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 13:48:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 13:48:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 13:48:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 13:48:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 13:48:12,085 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 13:48:12,086 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 13:48:12,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:48:12 BoogieIcfgContainer [2019-08-08 13:48:12,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 13:48:12,088 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 13:48:12,088 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 13:48:12,088 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 13:48:12,089 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:48:12" (1/1) ... [2019-08-08 13:48:12,100 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 13:48:12,102 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 13:48:12,117 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 13:48:12,124 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 13:48:12,125 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 13:48:12,208 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 322