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_buf_diverge.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 00:39:56,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 00:39:56,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 00:39:56,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 00:39:56,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 00:39:56,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 00:39:56,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 00:39:56,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 00:39:56,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 00:39:56,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 00:39:56,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 00:39:56,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 00:39:56,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 00:39:56,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 00:39:56,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 00:39:56,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 00:39:56,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 00:39:56,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 00:39:56,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 00:39:56,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 00:39:56,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 00:39:56,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 00:39:56,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 00:39:56,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 00:39:56,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 00:39:56,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 00:39:56,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 00:39:56,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 00:39:56,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 00:39:56,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 00:39:56,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 00:39:56,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 00:39:56,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 00:39:56,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 00:39:56,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 00:39:56,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 00:39:56,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 00:39:56,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 00:39:56,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 00:39:56,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 00:39:56,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 00:39:56,070 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 00:39:56,093 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 00:39:56,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 00:39:56,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 00:39:56,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 00:39:56,095 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 00:39:56,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 00:39:56,095 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 00:39:56,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 00:39:56,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 00:39:56,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 00:39:56,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 00:39:56,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 00:39:56,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 00:39:56,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 00:39:56,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 00:39:56,097 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 00:39:56,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 00:39:56,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 00:39:56,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 00:39:56,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 00:39:56,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 00:39:56,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 00:39:56,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 00:39:56,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 00:39:56,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 00:39:56,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 00:39:56,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 00:39:56,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 00:39:56,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 00:39:56,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 00:39:56,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 00:39:56,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 00:39:56,174 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 00:39:56,175 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 00:39:56,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/divmul_buf_diverge.c [2019-08-31 00:39:56,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09112d914/e18428093fd4468492d1f5cc8823ca95/FLAGa21cb84f4 [2019-08-31 00:39:56,648 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 00:39:56,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/divmul_buf_diverge.c [2019-08-31 00:39:56,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09112d914/e18428093fd4468492d1f5cc8823ca95/FLAGa21cb84f4 [2019-08-31 00:39:56,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09112d914/e18428093fd4468492d1f5cc8823ca95 [2019-08-31 00:39:56,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 00:39:56,983 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 00:39:56,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 00:39:56,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 00:39:56,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 00:39:56,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:39:56" (1/1) ... [2019-08-31 00:39:56,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ab68a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:56, skipping insertion in model container [2019-08-31 00:39:56,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:39:56" (1/1) ... [2019-08-31 00:39:56,998 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 00:39:57,017 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 00:39:57,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:39:57,213 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 00:39:57,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:39:57,253 INFO L192 MainTranslator]: Completed translation [2019-08-31 00:39:57,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:57 WrapperNode [2019-08-31 00:39:57,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 00:39:57,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 00:39:57,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 00:39:57,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 00:39:57,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:57" (1/1) ... [2019-08-31 00:39:57,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:57" (1/1) ... [2019-08-31 00:39:57,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:57" (1/1) ... [2019-08-31 00:39:57,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:57" (1/1) ... [2019-08-31 00:39:57,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:57" (1/1) ... [2019-08-31 00:39:57,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:57" (1/1) ... [2019-08-31 00:39:57,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:57" (1/1) ... [2019-08-31 00:39:57,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 00:39:57,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 00:39:57,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 00:39:57,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 00:39:57,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:57" (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 00:39:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 00:39:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 00:39:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 00:39:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_clock [2019-08-31 00:39:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 00:39:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 00:39:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 00:39:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-31 00:39:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 00:39:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 00:39:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_clock [2019-08-31 00:39:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 00:39:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 00:39:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 00:39:57,588 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 00:39:57,588 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 00:39:57,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:39:57 BoogieIcfgContainer [2019-08-31 00:39:57,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 00:39:57,590 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 00:39:57,590 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 00:39:57,590 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 00:39:57,592 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:39:57" (1/1) ... [2019-08-31 00:39:57,629 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 00:39:57,630 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 00:39:57,643 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 00:39:57,656 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 00:39:57,658 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 00:39:57,728 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs