/usr/bin/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 --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -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-fb55353 [2019-11-07 10:57:43,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:57:43,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:57:43,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:57:43,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:57:43,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:57:43,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:57:43,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:57:43,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:57:43,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:57:43,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:57:43,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:57:43,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:57:43,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:57:43,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:57:43,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:57:43,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:57:43,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:57:43,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:57:43,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:57:43,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:57:43,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:57:43,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:57:43,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:57:43,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:57:43,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:57:43,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:57:43,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:57:43,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:57:43,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:57:43,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:57:43,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:57:43,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:57:43,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:57:43,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:57:43,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:57:43,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:57:43,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:57:43,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:57:43,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:57:43,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:57:43,177 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 [2019-11-07 10:57:43,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:57:43,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:57:43,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:57:43,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:57:43,193 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:57:43,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:57:43,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:57:43,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:57:43,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:57:43,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:57:43,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:57:43,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:57:43,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:57:43,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:57:43,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:57:43,196 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:57:43,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:57:43,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:57:43,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:57:43,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:57:43,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:57:43,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:57:43,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:57:43,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:57:43,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:57:43,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:57:43,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:57:43,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:57:43,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:57:43,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:57:43,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:57:43,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:57:43,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:57:43,480 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:57:43,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-11-07 10:57:43,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/428035a25/cb1c9ce808ce4b0e9c7229c27fd85df0/FLAGeb340755f [2019-11-07 10:57:44,139 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:57:44,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-11-07 10:57:44,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/428035a25/cb1c9ce808ce4b0e9c7229c27fd85df0/FLAGeb340755f [2019-11-07 10:57:44,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/428035a25/cb1c9ce808ce4b0e9c7229c27fd85df0 [2019-11-07 10:57:44,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:57:44,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:57:44,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:57:44,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:57:44,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:57:44,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:57:44" (1/1) ... [2019-11-07 10:57:44,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177cda46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:44, skipping insertion in model container [2019-11-07 10:57:44,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:57:44" (1/1) ... [2019-11-07 10:57:44,451 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:57:44,518 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:57:44,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:57:45,004 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:57:45,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:57:45,154 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:57:45,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:45 WrapperNode [2019-11-07 10:57:45,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:57:45,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:57:45,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:57:45,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:57:45,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:45" (1/1) ... [2019-11-07 10:57:45,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:45" (1/1) ... [2019-11-07 10:57:45,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:45" (1/1) ... [2019-11-07 10:57:45,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:45" (1/1) ... [2019-11-07 10:57:45,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:45" (1/1) ... [2019-11-07 10:57:45,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:45" (1/1) ... [2019-11-07 10:57:45,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:45" (1/1) ... [2019-11-07 10:57:45,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:57:45,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:57:45,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:57:45,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:57:45,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:45" (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 [2019-11-07 10:57:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:57:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:57:45,318 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:57:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:57:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 10:57:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 10:57:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 10:57:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 10:57:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 10:57:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-11-07 10:57:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-11-07 10:57:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-11-07 10:57:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-11-07 10:57:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-11-07 10:57:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-11-07 10:57:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-11-07 10:57:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:57:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:57:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:57:47,646 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:57:47,647 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 10:57:47,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:57:47 BoogieIcfgContainer [2019-11-07 10:57:47,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:57:47,649 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:57:47,649 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:57:47,650 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:57:47,651 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:57:47" (1/1) ... [2019-11-07 10:57:47,651 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:57:47,676 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-07 10:57:47,677 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:57:47,687 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:57:47,695 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:57:47,696 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:57:48,027 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-11-07 10:57:48,098 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 229 for LOIs