java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/newton_1_3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:28:44,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:28:44,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:28:44,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:28:44,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:28:44,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:28:44,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:28:44,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:28:44,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:28:44,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:28:44,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:28:44,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:28:44,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:28:44,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:28:44,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:28:44,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:28:44,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:28:44,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:28:44,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:28:44,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:28:44,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:28:44,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:28:44,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:28:44,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:28:44,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 01:28:44,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 01:28:44,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 01:28:44,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 01:28:44,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 01:28:44,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 01:28:44,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:28:44,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:28:44,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:28:44,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:28:44,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:28:44,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:28:44,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:28:44,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:28:44,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:28:44,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:28:44,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:28:44,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:28:44,747 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:28:44,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:28:44,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:28:44,748 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:28:44,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:28:44,749 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:28:44,749 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:28:44,749 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:28:44,749 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:28:44,749 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:28:44,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:28:44,750 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:28:44,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:28:44,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:28:44,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:28:44,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:28:44,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:28:44,751 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:28:44,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:28:44,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:28:44,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:28:44,752 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:28:44,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:28:44,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:28:44,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:28:44,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:28:44,753 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:28:44,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:28:44,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:28:44,754 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:28:44,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:28:44,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:28:44,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:28:44,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:28:44,814 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:28:44,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_3.i [2019-09-10 01:28:44,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677e46067/0e4e9aba059a4a0892ee93dc8ba6e9e3/FLAGb173ce805 [2019-09-10 01:28:45,365 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:28:45,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_3.i [2019-09-10 01:28:45,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677e46067/0e4e9aba059a4a0892ee93dc8ba6e9e3/FLAGb173ce805 [2019-09-10 01:28:45,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677e46067/0e4e9aba059a4a0892ee93dc8ba6e9e3 [2019-09-10 01:28:45,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:28:45,798 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:28:45,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:28:45,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:28:45,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:28:45,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:28:45" (1/1) ... [2019-09-10 01:28:45,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db245f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:28:45, skipping insertion in model container [2019-09-10 01:28:45,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:28:45" (1/1) ... [2019-09-10 01:28:45,813 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:28:45,831 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:28:46,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:28:46,020 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:28:46,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:28:46,141 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:28:46,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:28:46 WrapperNode [2019-09-10 01:28:46,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:28:46,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:28:46,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:28:46,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:28:46,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:28:46" (1/1) ... [2019-09-10 01:28:46,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:28:46" (1/1) ... [2019-09-10 01:28:46,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:28:46" (1/1) ... [2019-09-10 01:28:46,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:28:46" (1/1) ... [2019-09-10 01:28:46,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:28:46" (1/1) ... [2019-09-10 01:28:46,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:28:46" (1/1) ... [2019-09-10 01:28:46,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:28:46" (1/1) ... [2019-09-10 01:28:46,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:28:46,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:28:46,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:28:46,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:28:46,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:28:46" (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 [2019-09-10 01:28:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:28:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:28:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-10 01:28:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-10 01:28:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:28:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:28:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 01:28:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-10 01:28:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-10 01:28:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-10 01:28:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:28:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:28:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:28:46,382 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:28:46,382 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 01:28:46,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:28:46 BoogieIcfgContainer [2019-09-10 01:28:46,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:28:46,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:28:46,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:28:46,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:28:46,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:28:45" (1/3) ... [2019-09-10 01:28:46,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a128795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:28:46, skipping insertion in model container [2019-09-10 01:28:46,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:28:46" (2/3) ... [2019-09-10 01:28:46,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a128795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:28:46, skipping insertion in model container [2019-09-10 01:28:46,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:28:46" (3/3) ... [2019-09-10 01:28:46,407 INFO L109 eAbstractionObserver]: Analyzing ICFG newton_1_3.i [2019-09-10 01:28:46,433 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:28:46,454 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:28:46,475 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:28:46,511 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:28:46,511 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:28:46,511 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:28:46,512 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:28:46,512 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:28:46,513 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:28:46,513 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:28:46,513 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:28:46,528 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-09-10 01:28:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-10 01:28:46,535 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:28:46,536 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:28:46,537 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:28:46,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:28:46,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2019-09-10 01:28:46,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:28:46,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:28:46,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:28:46,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:28:46,581 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:28:46,612 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-10 01:28:46,612 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-10 01:28:46,613 INFO L170 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-10 01:28:46,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:28:46,643 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-10 01:28:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-10 01:28:50,178 INFO L285 seRefinementStrategy]: Strategy TaipanRefinementStrategy was unsuccessful and could not determine trace feasibility. [2019-09-10 01:28:50,178 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:28:50,194 WARN L226 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2019-09-10 01:28:50,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:28:50 BoogieIcfgContainer [2019-09-10 01:28:50,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:28:50,198 INFO L168 Benchmark]: Toolchain (without parser) took 4399.03 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 91.3 MB in the beginning and 150.9 MB in the end (delta: -59.6 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:28:50,199 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 135.3 MB. Free memory is still 109.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 01:28:50,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.34 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 91.3 MB in the beginning and 178.8 MB in the end (delta: -87.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-09-10 01:28:50,201 INFO L168 Benchmark]: Boogie Preprocessor took 30.73 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 176.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-09-10 01:28:50,203 INFO L168 Benchmark]: RCFGBuilder took 210.66 ms. Allocated memory is still 201.3 MB. Free memory was 176.7 MB in the beginning and 165.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-09-10 01:28:50,204 INFO L168 Benchmark]: TraceAbstraction took 3810.44 ms. Allocated memory is still 201.3 MB. Free memory was 165.9 MB in the beginning and 150.9 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-09-10 01:28:50,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 135.3 MB. Free memory is still 109.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 343.34 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 91.3 MB in the beginning and 178.8 MB in the end (delta: -87.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.73 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 176.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 210.66 ms. Allocated memory is still 201.3 MB. Free memory was 176.7 MB in the beginning and 165.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3810.44 ms. Allocated memory is still 201.3 MB. Free memory was 165.9 MB in the beginning and 150.9 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L19] RET, EXPR f(IN) [L19] CALL, EXPR fp(IN) [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] RET, EXPR fp(IN) [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. UNKNOWN Result, 3.6s 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=22occurred 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...