java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-benchs/arctan_Pade_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:40:21,911 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:40:21,913 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:40:21,929 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:40:21,930 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:40:21,934 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:40:21,936 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:40:21,938 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:40:21,943 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:40:21,948 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:40:21,949 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:40:21,953 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:40:21,954 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:40:21,958 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:40:21,959 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:40:21,960 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:40:21,961 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:40:21,962 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:40:21,964 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:40:21,966 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:40:21,967 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:40:21,968 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:40:21,970 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 15:40:21,971 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 15:40:21,971 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 15:40:21,972 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 15:40:21,973 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 15:40:21,974 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 15:40:21,975 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 15:40:21,976 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 15:40:21,976 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 15:40:21,977 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 15:40:21,977 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 15:40:21,977 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 15:40:21,978 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 15:40:21,979 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 15:40:21,979 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-19 15:40:21,995 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:40:21,995 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:40:21,996 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:40:21,996 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:40:21,997 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:40:21,997 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:40:21,997 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:40:21,997 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:40:21,998 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:40:21,998 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:40:21,998 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:40:21,998 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:40:21,999 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:40:21,999 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:40:22,000 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:40:22,000 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:40:22,000 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:40:22,000 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:40:22,001 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:40:22,001 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:40:22,001 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:40:22,001 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:40:22,003 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:40:22,003 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:40:22,003 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:40:22,003 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:40:22,003 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:40:22,004 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:40:22,004 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:40:22,004 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:40:22,004 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:40:22,005 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:40:22,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:40:22,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:40:22,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:40:22,093 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:40:22,094 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:40:22,095 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2018-09-19 15:40:22,484 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ad88d75/8ef36f54d2834af4a767e79fee837fe8/FLAGe8e4d5d5c [2018-09-19 15:40:22,653 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:40:22,654 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2018-09-19 15:40:22,661 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ad88d75/8ef36f54d2834af4a767e79fee837fe8/FLAGe8e4d5d5c [2018-09-19 15:40:22,680 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ad88d75/8ef36f54d2834af4a767e79fee837fe8 [2018-09-19 15:40:22,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:40:22,693 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:40:22,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:40:22,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:40:22,703 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:40:22,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:40:22" (1/1) ... [2018-09-19 15:40:22,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb9db92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:22, skipping insertion in model container [2018-09-19 15:40:22,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:40:22" (1/1) ... [2018-09-19 15:40:22,720 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:40:22,952 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:40:22,972 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:40:22,982 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:40:23,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:23 WrapperNode [2018-09-19 15:40:23,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:40:23,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:40:23,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:40:23,003 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:40:23,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:23" (1/1) ... [2018-09-19 15:40:23,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:23" (1/1) ... [2018-09-19 15:40:23,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:23" (1/1) ... [2018-09-19 15:40:23,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:23" (1/1) ... [2018-09-19 15:40:23,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:23" (1/1) ... [2018-09-19 15:40:23,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:23" (1/1) ... [2018-09-19 15:40:23,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:23" (1/1) ... [2018-09-19 15:40:23,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:40:23,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:40:23,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:40:23,053 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:40:23,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:23" (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 [2018-09-19 15:40:23,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:40:23,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:40:23,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 15:40:23,131 INFO L138 BoogieDeclarations]: Found implementation of procedure PADE_2_2 [2018-09-19 15:40:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_0_1 [2018-09-19 15:40:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_POS [2018-09-19 15:40:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN [2018-09-19 15:40:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:40:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:40:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-19 15:40:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-09-19 15:40:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 15:40:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure PADE_2_2 [2018-09-19 15:40:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_0_1 [2018-09-19 15:40:23,135 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_POS [2018-09-19 15:40:23,135 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN [2018-09-19 15:40:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:40:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:40:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:40:28,529 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:40:28,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:40:28 BoogieIcfgContainer [2018-09-19 15:40:28,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:40:28,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:40:28,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:40:28,534 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:40:28,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:40:22" (1/3) ... [2018-09-19 15:40:28,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b56a8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:40:28, skipping insertion in model container [2018-09-19 15:40:28,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:23" (2/3) ... [2018-09-19 15:40:28,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b56a8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:40:28, skipping insertion in model container [2018-09-19 15:40:28,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:40:28" (3/3) ... [2018-09-19 15:40:28,539 INFO L112 eAbstractionObserver]: Analyzing ICFG arctan_Pade_true-unreach-call_true-termination.c [2018-09-19 15:40:28,549 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:40:28,566 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:40:28,616 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:40:28,617 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:40:28,617 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:40:28,617 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:40:28,617 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:40:28,618 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:40:28,618 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:40:28,618 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:40:28,618 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:40:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-09-19 15:40:28,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-19 15:40:28,647 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:40:28,648 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:40:28,650 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:40:28,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1783113702, now seen corresponding path program 1 times [2018-09-19 15:40:28,660 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:40:28,661 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 15:40:28,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:44:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:44:57,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:45:00,565 WARN L797 $PredicateComparison]: unable to prove that (and (= c_~Pi~0 ((_ to_fp 11 53) RNE (/ 1570796326794896619.0 500000000000000000.0))) (= |c_PADE_2_2_#res| (fp.sub RNE ((_ to_fp 11 53) RNE 1.0) (let ((.cse0 (fp.mul RNE |c_PADE_2_2_#in~x| |c_PADE_2_2_#in~x|))) (fp.div RNE .cse0 (fp.add RNE ((_ to_fp 11 53) RNE 3.0) (fp.mul RNE (fp.div RNE ((_ to_fp 11 53) RNE 9.0) ((_ to_fp 11 53) RNE 5.0)) .cse0))))))) is different from false [2018-09-19 15:45:03,056 WARN L797 $PredicateComparison]: unable to prove that (and (= c_~Pi~0 ((_ to_fp 11 53) RNE (/ 1570796326794896619.0 500000000000000000.0))) (= c_ARCTAN_0_1_~x |c_ARCTAN_0_1_#in~x|) (= (fp.sub RNE ((_ to_fp 11 53) RNE 1.0) (let ((.cse0 (fp.mul RNE c_ARCTAN_0_1_~x c_ARCTAN_0_1_~x))) (fp.div RNE .cse0 (fp.add RNE ((_ to_fp 11 53) RNE 3.0) (fp.mul RNE (fp.div RNE ((_ to_fp 11 53) RNE 9.0) ((_ to_fp 11 53) RNE 5.0)) .cse0))))) |c_ARCTAN_0_1_#t~ret0|)) is different from false [2018-09-19 15:45:05,615 WARN L797 $PredicateComparison]: unable to prove that (and (= c_~Pi~0 ((_ to_fp 11 53) RNE (/ 1570796326794896619.0 500000000000000000.0))) (= (fp.mul RNE |c_ARCTAN_0_1_#in~x| (fp.sub RNE ((_ to_fp 11 53) RNE 1.0) (let ((.cse0 (fp.mul RNE |c_ARCTAN_0_1_#in~x| |c_ARCTAN_0_1_#in~x|))) (fp.div RNE .cse0 (fp.add RNE ((_ to_fp 11 53) RNE 3.0) (fp.mul RNE (fp.div RNE ((_ to_fp 11 53) RNE 9.0) ((_ to_fp 11 53) RNE 5.0)) .cse0)))))) |c_ARCTAN_0_1_#res|)) is different from false [2018-09-19 15:45:08,544 WARN L797 $PredicateComparison]: unable to prove that (and (= c_~Pi~0 ((_ to_fp 11 53) RNE (/ 1570796326794896619.0 500000000000000000.0))) (exists ((ARCTAN_POS_~x (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) RNE 1.0))) (and (fp.gt ARCTAN_POS_~x .cse0) (= |c_ARCTAN_POS_#t~ret1| (let ((.cse1 (fp.div RNE .cse0 ARCTAN_POS_~x))) (fp.mul RNE .cse1 (fp.sub RNE .cse0 (let ((.cse2 (fp.mul RNE .cse1 .cse1))) (fp.div RNE .cse2 (fp.add RNE ((_ to_fp 11 53) RNE 3.0) (fp.mul RNE (fp.div RNE ((_ to_fp 11 53) RNE 9.0) ((_ to_fp 11 53) RNE 5.0)) .cse2)))))))))))) is different from false [2018-09-19 15:45:11,493 WARN L797 $PredicateComparison]: unable to prove that (and (= c_~Pi~0 ((_ to_fp 11 53) RNE (/ 1570796326794896619.0 500000000000000000.0))) (exists ((ARCTAN_POS_~x (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) RNE 1.0))) (and (fp.gt ARCTAN_POS_~x .cse0) (= |c_ARCTAN_POS_#res| (fp.sub RNE (fp.div RNE c_~Pi~0 ((_ to_fp 11 53) RNE 2.0)) (let ((.cse1 (fp.div RNE .cse0 ARCTAN_POS_~x))) (fp.mul RNE .cse1 (fp.sub RNE .cse0 (let ((.cse2 (fp.mul RNE .cse1 .cse1))) (fp.div RNE .cse2 (fp.add RNE ((_ to_fp 11 53) RNE 3.0) (fp.mul RNE (fp.div RNE ((_ to_fp 11 53) RNE 9.0) ((_ to_fp 11 53) RNE 5.0)) .cse2))))))))))))) is different from false [2018-09-19 15:45:14,494 WARN L797 $PredicateComparison]: unable to prove that (and (= c_~Pi~0 ((_ to_fp 11 53) RNE (/ 1570796326794896619.0 500000000000000000.0))) (exists ((ARCTAN_POS_~x (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) RNE 1.0))) (and (fp.gt ARCTAN_POS_~x .cse0) (= |c_ARCTAN_#t~ret3| (fp.sub RNE (fp.div RNE c_~Pi~0 ((_ to_fp 11 53) RNE 2.0)) (let ((.cse1 (fp.div RNE .cse0 ARCTAN_POS_~x))) (fp.mul RNE .cse1 (fp.sub RNE .cse0 (let ((.cse2 (fp.mul RNE .cse1 .cse1))) (fp.div RNE .cse2 (fp.add RNE ((_ to_fp 11 53) RNE 3.0) (fp.mul RNE (fp.div RNE ((_ to_fp 11 53) RNE 9.0) ((_ to_fp 11 53) RNE 5.0)) .cse2))))))))))))) is different from false Received shutdown request... [2018-09-19 15:45:17,456 WARN L797 $PredicateComparison]: unable to prove that (and (= c_~Pi~0 ((_ to_fp 11 53) RNE (/ 1570796326794896619.0 500000000000000000.0))) (exists ((ARCTAN_POS_~x (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) RNE 1.0))) (and (fp.gt ARCTAN_POS_~x .cse0) (= (fp.neg (fp.sub RNE (fp.div RNE c_~Pi~0 ((_ to_fp 11 53) RNE 2.0)) (let ((.cse1 (fp.div RNE .cse0 ARCTAN_POS_~x))) (fp.mul RNE .cse1 (fp.sub RNE .cse0 (let ((.cse2 (fp.mul RNE .cse1 .cse1))) (fp.div RNE .cse2 (fp.add RNE ((_ to_fp 11 53) RNE 3.0) (fp.mul RNE (fp.div RNE ((_ to_fp 11 53) RNE 9.0) ((_ to_fp 11 53) RNE 5.0)) .cse2))))))))) |c_ARCTAN_#res|))))) is different from false [2018-09-19 15:45:17,469 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-19 15:45:17,673 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2018-09-19 15:45:17,673 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 15:45:17,680 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 15:45:17,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 03:45:17 BoogieIcfgContainer [2018-09-19 15:45:17,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 15:45:17,681 INFO L168 Benchmark]: Toolchain (without parser) took 294990.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -722.6 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2018-09-19 15:45:17,683 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:45:17,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 15:45:17,685 INFO L168 Benchmark]: Boogie Preprocessor took 50.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:45:17,685 INFO L168 Benchmark]: RCFGBuilder took 5476.94 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.4 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2018-09-19 15:45:17,687 INFO L168 Benchmark]: TraceAbstraction took 289149.60 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 7.1 GB. [2018-09-19 15:45:17,691 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 306.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 5476.94 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.4 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 289149.60 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 12]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 12). Cancelled while BasicCegarLoop was analyzing trace of length 33 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 2 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 44 locations, 1 error locations. TIMEOUT Result, 289.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown