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/Problem14_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 15:37:19,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 15:37:19,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 15:37:19,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 15:37:19,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 15:37:19,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 15:37:19,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 15:37:19,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 15:37:19,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 15:37:19,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 15:37:19,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 15:37:19,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 15:37:19,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 15:37:19,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 15:37:19,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 15:37:19,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 15:37:19,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 15:37:19,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 15:37:19,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 15:37:19,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 15:37:19,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 15:37:19,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 15:37:19,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 15:37:19,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 15:37:19,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 15:37:19,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 15:37:19,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 15:37:19,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 15:37:19,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 15:37:19,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 15:37:19,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 15:37:19,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 15:37:19,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 15:37:19,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 15:37:19,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 15:37:19,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 15:37:19,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 15:37:19,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 15:37:19,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 15:37:19,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 15:37:19,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 15:37:19,656 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 15:37:19,670 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 15:37:19,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 15:37:19,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 15:37:19,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 15:37:19,672 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 15:37:19,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 15:37:19,673 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 15:37:19,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 15:37:19,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 15:37:19,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 15:37:19,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 15:37:19,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 15:37:19,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 15:37:19,674 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 15:37:19,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 15:37:19,675 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 15:37:19,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 15:37:19,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 15:37:19,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 15:37:19,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 15:37:19,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 15:37:19,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 15:37:19,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 15:37:19,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 15:37:19,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 15:37:19,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 15:37:19,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 15:37:19,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 15:37:19,677 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 15:37:19,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 15:37:19,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 15:37:19,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 15:37:19,728 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 15:37:19,729 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 15:37:19,729 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label25.c [2019-10-03 15:37:19,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa550b8f5/509dfeb766b242f1893239cddad4d7f1/FLAGb67e2e29a [2019-10-03 15:37:20,333 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 15:37:20,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label25.c [2019-10-03 15:37:20,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa550b8f5/509dfeb766b242f1893239cddad4d7f1/FLAGb67e2e29a [2019-10-03 15:37:20,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa550b8f5/509dfeb766b242f1893239cddad4d7f1 [2019-10-03 15:37:20,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 15:37:20,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 15:37:20,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 15:37:20,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 15:37:20,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 15:37:20,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 03:37:20" (1/1) ... [2019-10-03 15:37:20,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510c1389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:20, skipping insertion in model container [2019-10-03 15:37:20,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 03:37:20" (1/1) ... [2019-10-03 15:37:20,600 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 15:37:20,658 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 15:37:21,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 15:37:21,232 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 15:37:21,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 15:37:21,427 INFO L192 MainTranslator]: Completed translation [2019-10-03 15:37:21,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:21 WrapperNode [2019-10-03 15:37:21,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 15:37:21,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 15:37:21,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 15:37:21,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 15:37:21,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:21" (1/1) ... [2019-10-03 15:37:21,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:21" (1/1) ... [2019-10-03 15:37:21,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:21" (1/1) ... [2019-10-03 15:37:21,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:21" (1/1) ... [2019-10-03 15:37:21,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:21" (1/1) ... [2019-10-03 15:37:21,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:21" (1/1) ... [2019-10-03 15:37:21,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:21" (1/1) ... [2019-10-03 15:37:21,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 15:37:21,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 15:37:21,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 15:37:21,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 15:37:21,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:37:21" (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 15:37:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 15:37:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 15:37:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 15:37:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 15:37:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 15:37:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 15:37:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 15:37:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 15:37:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 15:37:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 15:37:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 15:38:19,130 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 15:38:19,130 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 15:38:19,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:38:19 BoogieIcfgContainer [2019-10-03 15:38:19,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 15:38:19,133 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 15:38:19,133 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 15:38:19,133 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 15:38:19,135 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:38:19" (1/1) ... [2019-10-03 15:38:19,135 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 15:38:19,160 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 15:38:19,160 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 15:38:19,167 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 15:38:19,176 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 15:38:19,178 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 15:38:19,393 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 58 for LOIs [2019-10-03 15:38:19,425 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-10-03 15:38:19,976 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-10-03 15:38:21,377 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58