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/eca-rers2012/Problem17_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:09:55,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:09:55,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:09:55,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:09:55,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:09:55,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:09:55,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:09:55,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:09:55,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:09:55,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:09:55,519 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:09:55,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:09:55,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:09:55,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:09:55,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:09:55,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:09:55,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:09:55,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:09:55,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:09:55,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:09:55,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:09:55,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:09:55,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:09:55,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:09:55,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 23:09:55,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 23:09:55,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 23:09:55,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 23:09:55,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 23:09:55,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 23:09:55,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:09:55,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:09:55,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:09:55,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:09:55,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:09:55,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:09:55,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:09:55,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:09:55,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:09:55,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:09:55,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:09:55,546 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 [2019-08-09 23:09:55,560 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:09:55,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:09:55,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:09:55,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:09:55,562 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:09:55,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:09:55,562 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:09:55,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:09:55,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:09:55,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:09:55,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:09:55,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:09:55,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:09:55,564 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:09:55,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:09:55,564 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:09:55,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:09:55,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:09:55,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:09:55,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:09:55,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:09:55,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:09:55,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:09:55,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:09:55,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:09:55,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:09:55,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:09:55,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:09:55,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:09:55,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:09:55,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:09:55,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:09:55,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:09:55,612 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:09:55,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label20.c [2019-08-09 23:09:55,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee2bab3e/73aa3be40b604b28bb99b66ce4792ca7/FLAG2bdf15561 [2019-08-09 23:09:56,413 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:09:56,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label20.c [2019-08-09 23:09:56,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee2bab3e/73aa3be40b604b28bb99b66ce4792ca7/FLAG2bdf15561 [2019-08-09 23:09:56,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee2bab3e/73aa3be40b604b28bb99b66ce4792ca7 [2019-08-09 23:09:56,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:09:56,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:09:56,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:09:56,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:09:56,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:09:56,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:09:56" (1/1) ... [2019-08-09 23:09:56,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fff505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:56, skipping insertion in model container [2019-08-09 23:09:56,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:09:56" (1/1) ... [2019-08-09 23:09:56,509 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:09:56,637 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:09:57,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:09:57,813 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:09:58,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:09:58,164 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:09:58,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58 WrapperNode [2019-08-09 23:09:58,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:09:58,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:09:58,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:09:58,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:09:58,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:09:58,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:09:58,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:09:58,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:09:58,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (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 [2019-08-09 23:09:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:09:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:09:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:09:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:09:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:09:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:09:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:09:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:09:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:09:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:09:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:09:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:09:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:10:02,602 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:10:02,603 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:10:02,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:10:02 BoogieIcfgContainer [2019-08-09 23:10:02,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:10:02,609 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:10:02,609 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:10:02,611 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:10:02,612 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:10:02" (1/1) ... [2019-08-09 23:10:28,600 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 142884 conjuctions. This might take some time...