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-newlib/float_req_bl_0930.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:06:33,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:06:33,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:06:33,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:06:33,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:06:33,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:06:33,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:06:33,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:06:33,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:06:33,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:06:33,267 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:06:33,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:06:33,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:06:33,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:06:33,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:06:33,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:06:33,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:06:33,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:06:33,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:06:33,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:06:33,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:06:33,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:06:33,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:06:33,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:06:33,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 20:06:33,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 20:06:33,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 20:06:33,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 20:06:33,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 20:06:33,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 20:06:33,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:06:33,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:06:33,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:06:33,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:06:33,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:06:33,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:06:33,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:06:33,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:06:33,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:06:33,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:06:33,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:06:33,306 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 [2019-08-14 20:06:33,333 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:06:33,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:06:33,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:06:33,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:06:33,336 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:06:33,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:06:33,336 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:06:33,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:06:33,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:06:33,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:06:33,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:06:33,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:06:33,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:06:33,339 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:06:33,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:06:33,339 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:06:33,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:06:33,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:06:33,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:06:33,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:06:33,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:06:33,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:06:33,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:06:33,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:06:33,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:06:33,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:06:33,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:06:33,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:06:33,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:06:33,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:06:33,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:06:33,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:06:33,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:06:33,410 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:06:33,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0930.c [2019-08-14 20:06:33,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9806984bf/33232223296443d1a348f11751fe286d/FLAGd9e8702f1 [2019-08-14 20:06:33,965 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:06:33,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0930.c [2019-08-14 20:06:33,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9806984bf/33232223296443d1a348f11751fe286d/FLAGd9e8702f1 [2019-08-14 20:06:34,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9806984bf/33232223296443d1a348f11751fe286d [2019-08-14 20:06:34,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:06:34,312 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:06:34,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:06:34,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:06:34,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:06:34,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:06:34" (1/1) ... [2019-08-14 20:06:34,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5a04af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:06:34, skipping insertion in model container [2019-08-14 20:06:34,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:06:34" (1/1) ... [2019-08-14 20:06:34,328 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:06:34,363 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:06:34,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:06:34,601 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:06:34,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:06:34,761 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:06:34,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:06:34 WrapperNode [2019-08-14 20:06:34,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:06:34,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:06:34,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:06:34,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:06:34,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:06:34" (1/1) ... [2019-08-14 20:06:34,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:06:34" (1/1) ... [2019-08-14 20:06:34,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:06:34" (1/1) ... [2019-08-14 20:06:34,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:06:34" (1/1) ... [2019-08-14 20:06:34,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:06:34" (1/1) ... [2019-08-14 20:06:34,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:06:34" (1/1) ... [2019-08-14 20:06:34,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:06:34" (1/1) ... [2019-08-14 20:06:34,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:06:34,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:06:34,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:06:34,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:06:34,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:06:34" (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 [2019-08-14 20:06:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:06:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:06:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2019-08-14 20:06:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-08-14 20:06:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:06:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:06:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-14 20:06:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2019-08-14 20:06:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:06:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-14 20:06:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:06:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:06:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:06:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-14 20:06:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-08-14 20:06:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:06:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:06:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:06:35,293 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:06:35,293 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-08-14 20:06:35,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:06:35 BoogieIcfgContainer [2019-08-14 20:06:35,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:06:35,295 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:06:35,295 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:06:35,295 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:06:35,296 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:06:35" (1/1) ... [2019-08-14 20:06:35,728 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-14 20:06:36,053 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-08-14 20:06:36,208 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-08-14 20:06:36,751 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-08-14 20:06:37,111 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-08-14 20:06:37,271 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-08-14 20:06:37,407 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-08-14 20:06:37,994 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-08-14 20:06:38,494 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2019-08-14 20:06:38,651 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-14 20:06:38,798 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-14 20:06:38,955 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:06:39,083 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-08-14 20:06:39,660 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-08-14 20:06:39,961 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-08-14 20:06:40,838 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-08-14 20:06:41,382 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2019-08-14 20:06:41,533 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-08-14 20:06:41,674 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-14 20:06:41,837 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:06:41,943 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-08-14 20:06:42,525 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-08-14 20:06:42,815 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-08-14 20:06:42,932 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-08-14 20:06:43,632 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-08-14 20:06:44,078 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2019-08-14 20:06:44,214 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-14 20:06:44,345 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-14 20:06:44,515 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:06:44,627 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-08-14 20:06:45,233 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-08-14 20:06:45,512 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-08-14 20:06:45,643 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-08-14 20:06:46,291 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-08-14 20:06:46,774 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2019-08-14 20:06:46,904 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-14 20:06:47,050 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-14 20:06:47,193 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:06:47,315 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-08-14 20:06:47,771 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:06:47,773 INFO L168 Benchmark]: Toolchain (without parser) took 13461.45 ms. Allocated memory was 132.6 MB in the beginning and 376.4 MB in the end (delta: 243.8 MB). Free memory was 89.2 MB in the beginning and 156.7 MB in the end (delta: -67.5 MB). Peak memory consumption was 226.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:06:47,774 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:06:47,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.55 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 89.0 MB in the beginning and 173.4 MB in the end (delta: -84.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:06:47,775 INFO L168 Benchmark]: Boogie Preprocessor took 53.15 ms. Allocated memory is still 198.7 MB. Free memory was 173.4 MB in the beginning and 171.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:06:47,775 INFO L168 Benchmark]: RCFGBuilder took 478.18 ms. Allocated memory is still 198.7 MB. Free memory was 171.0 MB in the beginning and 148.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-08-14 20:06:47,776 INFO L168 Benchmark]: Symbolic Interpretation took 12476.77 ms. Allocated memory was 198.7 MB in the beginning and 376.4 MB in the end (delta: 177.7 MB). Free memory was 148.3 MB in the beginning and 156.7 MB in the end (delta: -8.4 MB). Peak memory consumption was 219.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:06:47,785 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 121]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 352#(exists ((|v___signbit_float_~#gf_u~2.base_3| Int)) (or (and (= ~Lg5_log~0 (/ 1818357259.0 10000000000.0)) (= 0 |#NULL.base|) (= ~Lg7_log~0 (/ 184977483.0 1250000000.0)) (= (/ 28571429849.0 100000000000.0) ~Lg3_log~0) (= ~ln2_hi_log~0 (/ 2166056633.0 3125000000.0)) (= (/ 11111099273.0 50000000000.0) ~Lg4_log~0) (= 0 (select |old(#valid)| 0)) (= (/ 7656919211.0 50000000000.0) ~Lg6_log~0) (= ~two25_log~0 33554432.0) (= ~Lg1_log~0 (/ 66666668653.0 100000000000.0)) (= 0.0 ~zero_log~0) (= ~ln2_lo_log~0 (/ 18116001229.0 2000000000000000.0)) (= ~Lg2_log~0 (/ 10000000149.0 25000000000.0)) (= |#NULL.offset| 0) (= main_~x~0 1.0)) (and (= ~Lg5_log~0 (/ 1818357259.0 10000000000.0)) (= 0 |#NULL.base|) (= ~Lg7_log~0 (/ 184977483.0 1250000000.0)) (not (= 0 |v___signbit_float_~#gf_u~2.base_3|)) (= (/ 28571429849.0 100000000000.0) ~Lg3_log~0) (= ~ln2_hi_log~0 (/ 2166056633.0 3125000000.0)) (= (/ 11111099273.0 50000000000.0) ~Lg4_log~0) (= 0 (select |old(#valid)| 0)) (= 4 (select |#length| |v___signbit_float_~#gf_u~2.base_3|)) (= (/ 7656919211.0 50000000000.0) ~Lg6_log~0) (= ~two25_log~0 33554432.0) (= ~Lg1_log~0 (/ 66666668653.0 100000000000.0)) (= 0.0 ~zero_log~0) (= ~ln2_lo_log~0 (/ 18116001229.0 2000000000000000.0)) (= ~Lg2_log~0 (/ 10000000149.0 25000000000.0)) (= 0 (select |#valid| |v___signbit_float_~#gf_u~2.base_3|)) (= |#NULL.offset| 0) (= main_~x~0 1.0) (< |v___signbit_float_~#gf_u~2.base_3| |#StackHeapBarrier|)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 449.55 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 89.0 MB in the beginning and 173.4 MB in the end (delta: -84.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.15 ms. Allocated memory is still 198.7 MB. Free memory was 173.4 MB in the beginning and 171.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 478.18 ms. Allocated memory is still 198.7 MB. Free memory was 171.0 MB in the beginning and 148.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 12476.77 ms. Allocated memory was 198.7 MB in the beginning and 376.4 MB in the end (delta: 177.7 MB). Free memory was 148.3 MB in the beginning and 156.7 MB in the end (delta: -8.4 MB). Peak memory consumption was 219.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...