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/eca-rers2012/Problem18_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 17:19:50,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 17:19:50,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 17:19:50,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 17:19:50,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 17:19:50,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 17:19:50,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 17:19:50,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 17:19:50,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 17:19:50,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 17:19:50,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 17:19:50,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 17:19:50,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 17:19:50,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 17:19:50,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 17:19:50,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 17:19:50,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 17:19:50,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 17:19:50,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 17:19:50,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 17:19:50,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 17:19:50,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 17:19:50,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 17:19:50,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 17:19:50,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 17:19:50,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 17:19:50,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 17:19:50,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 17:19:50,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 17:19:50,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 17:19:50,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 17:19:50,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 17:19:50,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 17:19:50,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 17:19:50,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 17:19:50,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 17:19:50,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 17:19:50,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 17:19:50,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 17:19:50,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 17:19:50,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 17:19:50,457 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 [2019-10-03 17:19:50,481 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 17:19:50,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 17:19:50,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 17:19:50,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 17:19:50,484 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 17:19:50,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 17:19:50,485 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 17:19:50,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 17:19:50,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 17:19:50,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 17:19:50,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 17:19:50,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 17:19:50,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 17:19:50,487 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 17:19:50,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 17:19:50,487 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 17:19:50,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 17:19:50,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 17:19:50,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 17:19:50,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 17:19:50,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 17:19:50,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 17:19:50,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 17:19:50,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 17:19:50,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 17:19:50,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 17:19:50,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 17:19:50,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 17:19:50,490 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 [2019-10-03 17:19:50,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 17:19:50,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 17:19:50,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 17:19:50,578 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 17:19:50,579 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 17:19:50,580 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label56.c [2019-10-03 17:19:50,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1817a67da/5133dc22bb90484289e72fe72a6d0156/FLAG6009a7423 [2019-10-03 17:19:51,433 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 17:19:51,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label56.c [2019-10-03 17:19:51,468 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1817a67da/5133dc22bb90484289e72fe72a6d0156/FLAG6009a7423 [2019-10-03 17:19:51,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1817a67da/5133dc22bb90484289e72fe72a6d0156 [2019-10-03 17:19:51,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 17:19:51,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 17:19:51,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 17:19:51,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 17:19:51,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 17:19:51,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 05:19:51" (1/1) ... [2019-10-03 17:19:51,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5808f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:19:51, skipping insertion in model container [2019-10-03 17:19:51,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 05:19:51" (1/1) ... [2019-10-03 17:19:51,969 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 17:19:52,107 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 17:19:53,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 17:19:53,279 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 17:19:53,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 17:19:53,735 INFO L192 MainTranslator]: Completed translation [2019-10-03 17:19:53,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:19:53 WrapperNode [2019-10-03 17:19:53,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 17:19:53,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 17:19:53,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 17:19:53,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 17:19:53,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:19:53" (1/1) ... [2019-10-03 17:19:53,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:19:53" (1/1) ... [2019-10-03 17:19:53,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:19:53" (1/1) ... [2019-10-03 17:19:53,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:19:53" (1/1) ... [2019-10-03 17:19:53,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:19:53" (1/1) ... [2019-10-03 17:19:53,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:19:53" (1/1) ... [2019-10-03 17:19:53,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:19:53" (1/1) ... [2019-10-03 17:19:53,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 17:19:53,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 17:19:53,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 17:19:53,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 17:19:53,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:19:53" (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 [2019-10-03 17:19:54,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 17:19:54,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 17:19:54,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 17:19:54,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-03 17:19:54,103 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-03 17:19:54,103 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 17:19:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 17:19:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-03 17:19:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-03 17:19:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 17:19:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 17:19:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 17:19:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 17:19:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 17:19:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 17:21:38,373 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 17:21:38,374 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 17:21:38,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 05:21:38 BoogieIcfgContainer [2019-10-03 17:21:38,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 17:21:38,376 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 17:21:38,376 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 17:21:38,376 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 17:21:38,377 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 05:21:38" (1/1) ... [2019-10-03 17:21:38,378 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 [2019-10-03 17:21:38,399 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 17:21:38,399 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 17:21:38,414 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 17:21:38,423 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 17:21:38,425 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 17:21:38,629 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 53 for LOIs [2019-10-03 17:21:39,199 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 42 [2019-10-03 17:21:39,589 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 42 [2019-10-03 17:21:39,864 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-10-03 17:21:39,888 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-10-03 17:21:39,928 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 42 [2019-10-03 17:21:40,355 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-10-03 17:21:40,378 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-10-03 17:21:40,440 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-10-03 17:21:40,494 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19