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/float-benchs/divmul_diverge.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 00:41:27,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 00:41:27,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 00:41:27,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 00:41:27,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 00:41:27,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 00:41:27,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 00:41:27,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 00:41:27,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 00:41:27,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 00:41:27,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 00:41:27,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 00:41:27,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 00:41:27,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 00:41:27,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 00:41:27,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 00:41:27,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 00:41:27,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 00:41:27,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 00:41:27,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 00:41:27,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 00:41:27,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 00:41:27,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 00:41:27,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 00:41:27,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 00:41:27,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 00:41:27,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 00:41:27,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 00:41:27,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 00:41:27,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 00:41:27,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 00:41:27,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 00:41:27,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 00:41:27,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 00:41:27,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 00:41:27,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 00:41:27,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 00:41:27,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 00:41:27,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 00:41:27,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 00:41:27,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 00:41:27,678 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 [2019-08-31 00:41:27,692 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 00:41:27,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 00:41:27,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 00:41:27,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 00:41:27,696 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 00:41:27,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 00:41:27,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 00:41:27,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 00:41:27,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 00:41:27,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 00:41:27,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 00:41:27,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 00:41:27,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 00:41:27,697 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 00:41:27,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 00:41:27,698 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 00:41:27,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 00:41:27,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 00:41:27,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 00:41:27,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 00:41:27,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 00:41:27,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 00:41:27,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 00:41:27,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 00:41:27,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 00:41:27,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 00:41:27,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 00:41:27,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 00:41:27,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 00:41:27,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 00:41:27,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 00:41:27,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 00:41:27,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 00:41:27,752 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 00:41:27,753 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/divmul_diverge.c [2019-08-31 00:41:27,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef2d6aa8/8a0169c462ee407a9b72f86a403bf396/FLAG3f039e38b [2019-08-31 00:41:28,281 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 00:41:28,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/divmul_diverge.c [2019-08-31 00:41:28,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef2d6aa8/8a0169c462ee407a9b72f86a403bf396/FLAG3f039e38b [2019-08-31 00:41:28,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef2d6aa8/8a0169c462ee407a9b72f86a403bf396 [2019-08-31 00:41:28,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 00:41:28,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 00:41:28,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 00:41:28,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 00:41:28,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 00:41:28,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:41:28" (1/1) ... [2019-08-31 00:41:28,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11814640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:41:28, skipping insertion in model container [2019-08-31 00:41:28,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:41:28" (1/1) ... [2019-08-31 00:41:28,689 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 00:41:28,703 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 00:41:28,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:41:28,902 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 00:41:28,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:41:28,944 INFO L192 MainTranslator]: Completed translation [2019-08-31 00:41:28,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:41:28 WrapperNode [2019-08-31 00:41:28,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 00:41:28,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 00:41:28,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 00:41:28,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 00:41:29,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:41:28" (1/1) ... [2019-08-31 00:41:29,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:41:28" (1/1) ... [2019-08-31 00:41:29,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:41:28" (1/1) ... [2019-08-31 00:41:29,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:41:28" (1/1) ... [2019-08-31 00:41:29,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:41:28" (1/1) ... [2019-08-31 00:41:29,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:41:28" (1/1) ... [2019-08-31 00:41:29,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:41:28" (1/1) ... [2019-08-31 00:41:29,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 00:41:29,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 00:41:29,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 00:41:29,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 00:41:29,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:41:28" (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 [2019-08-31 00:41:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 00:41:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 00:41:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 00:41:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_clock [2019-08-31 00:41:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 00:41:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 00:41:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 00:41:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-31 00:41:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 00:41:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 00:41:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_clock [2019-08-31 00:41:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 00:41:29,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 00:41:29,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 00:41:29,432 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 00:41:29,433 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 00:41:29,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:41:29 BoogieIcfgContainer [2019-08-31 00:41:29,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 00:41:29,435 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 00:41:29,435 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 00:41:29,435 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 00:41:29,436 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:41:29" (1/1) ... [2019-08-31 00:41:29,484 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 00:41:29,484 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 00:41:29,495 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 00:41:29,505 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 00:41:29,507 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 00:41:29,573 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs