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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:13:12,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:13:12,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:13:12,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:13:12,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:13:12,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:13:12,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:13:12,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:13:12,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:13:12,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:13:12,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:13:12,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:13:12,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:13:12,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:13:12,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:13:12,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:13:12,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:13:12,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:13:12,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:13:12,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:13:12,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:13:12,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:13:12,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:13:12,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:13:12,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:13:12,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:13:12,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:13:12,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:13:12,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:13:12,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:13:12,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:13:12,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:13:12,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:13:12,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:13:12,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:13:12,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:13:12,314 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 [2019-09-08 01:13:12,341 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:13:12,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:13:12,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:13:12,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:13:12,345 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:13:12,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:13:12,345 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:13:12,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:13:12,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:13:12,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:13:12,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:13:12,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:13:12,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:13:12,348 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:13:12,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:13:12,348 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:13:12,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:13:12,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:13:12,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:13:12,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:13:12,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:13:12,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:13:12,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:13:12,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:13:12,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:13:12,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:13:12,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:13:12,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:13:12,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:13:12,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:13:12,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:13:12,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:13:12,408 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:13:12,409 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:13:12,410 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-09-08 01:13:12,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fb7274c/5cc15a808c9648e19e1161de9e5af194/FLAG984ba9216 [2019-09-08 01:13:12,971 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:13:12,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-09-08 01:13:12,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fb7274c/5cc15a808c9648e19e1161de9e5af194/FLAG984ba9216 [2019-09-08 01:13:13,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fb7274c/5cc15a808c9648e19e1161de9e5af194 [2019-09-08 01:13:13,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:13:13,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:13:13,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:13:13,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:13:13,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:13:13,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:13:13" (1/1) ... [2019-09-08 01:13:13,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2cc761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:13:13, skipping insertion in model container [2019-09-08 01:13:13,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:13:13" (1/1) ... [2019-09-08 01:13:13,350 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:13:13,375 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:13:13,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:13:13,568 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:13:13,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:13:13,735 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:13:13,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:13:13 WrapperNode [2019-09-08 01:13:13,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:13:13,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:13:13,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:13:13,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:13:13,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:13:13" (1/1) ... [2019-09-08 01:13:13,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:13:13" (1/1) ... [2019-09-08 01:13:13,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:13:13" (1/1) ... [2019-09-08 01:13:13,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:13:13" (1/1) ... [2019-09-08 01:13:13,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:13:13" (1/1) ... [2019-09-08 01:13:13,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:13:13" (1/1) ... [2019-09-08 01:13:13,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:13:13" (1/1) ... [2019-09-08 01:13:13,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:13:13,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:13:13,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:13:13,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:13:13,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:13:13" (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 [2019-09-08 01:13:13,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:13:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:13:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:13:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:13:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-08 01:13:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 01:13:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 01:13:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure inv [2019-09-08 01:13:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:13:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 01:13:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-08 01:13:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:13:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:13:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-08 01:13:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:13:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:13:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:13:14,138 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:13:14,138 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:13:14,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:13:14 BoogieIcfgContainer [2019-09-08 01:13:14,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:13:14,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:13:14,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:13:14,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:13:14,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:13:13" (1/3) ... [2019-09-08 01:13:14,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc2cd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:13:14, skipping insertion in model container [2019-09-08 01:13:14,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:13:13" (2/3) ... [2019-09-08 01:13:14,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc2cd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:13:14, skipping insertion in model container [2019-09-08 01:13:14,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:13:14" (3/3) ... [2019-09-08 01:13:14,160 INFO L109 eAbstractionObserver]: Analyzing ICFG inv_Newton.c.p+cfa-reducer.c [2019-09-08 01:13:14,170 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:13:14,179 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:13:14,211 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:13:14,239 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:13:14,240 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:13:14,240 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:13:14,240 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:13:14,240 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:13:14,240 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:13:14,240 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:13:14,240 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:13:14,240 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:13:14,256 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-09-08 01:13:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-09-08 01:13:14,262 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:13:14,263 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:13:14,265 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:13:14,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:13:14,271 INFO L82 PathProgramCache]: Analyzing trace with hash 376866062, now seen corresponding path program 1 times [2019-09-08 01:13:14,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:13:14,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:13:14,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:13:14,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:13:14,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:13:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:13:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:13:14,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:13:14,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 01:13:14,475 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 01:13:14,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 01:13:14,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 01:13:14,488 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-09-08 01:13:14,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:13:14,540 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2019-09-08 01:13:14,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 01:13:14,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-09-08 01:13:14,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:13:14,555 INFO L225 Difference]: With dead ends: 42 [2019-09-08 01:13:14,556 INFO L226 Difference]: Without dead ends: 27 [2019-09-08 01:13:14,561 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 01:13:14,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-09-08 01:13:14,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2019-09-08 01:13:14,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-09-08 01:13:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2019-09-08 01:13:14,599 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 29 transitions. Word has length 15 [2019-09-08 01:13:14,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:13:14,600 INFO L475 AbstractCegarLoop]: Abstraction has 23 states and 29 transitions. [2019-09-08 01:13:14,600 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 01:13:14,601 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2019-09-08 01:13:14,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-08 01:13:14,602 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:13:14,602 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:13:14,602 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:13:14,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:13:14,603 INFO L82 PathProgramCache]: Analyzing trace with hash 958542003, now seen corresponding path program 1 times [2019-09-08 01:13:14,604 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:13:14,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:13:14,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:13:14,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:13:14,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:13:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:13:14,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:13:14,719 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 01:13:14,719 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 01:13:14,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:13:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:13:14,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 01:13:14,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 01:13:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:13:14,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 01:13:14,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2019-09-08 01:13:14,841 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 01:13:14,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 01:13:14,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 01:13:14,842 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. Second operand 7 states. [2019-09-08 01:13:14,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:13:14,925 INFO L93 Difference]: Finished difference Result 42 states and 54 transitions. [2019-09-08 01:13:14,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 01:13:14,925 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-09-08 01:13:14,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:13:14,926 INFO L225 Difference]: With dead ends: 42 [2019-09-08 01:13:14,927 INFO L226 Difference]: Without dead ends: 35 [2019-09-08 01:13:14,928 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-09-08 01:13:14,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-09-08 01:13:14,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2019-09-08 01:13:14,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-09-08 01:13:14,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2019-09-08 01:13:14,935 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 30 transitions. Word has length 19 [2019-09-08 01:13:14,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:13:14,935 INFO L475 AbstractCegarLoop]: Abstraction has 24 states and 30 transitions. [2019-09-08 01:13:14,935 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 01:13:14,935 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2019-09-08 01:13:14,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-08 01:13:14,936 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:13:14,936 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:13:14,937 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:13:14,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:13:14,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1504140944, now seen corresponding path program 1 times [2019-09-08 01:13:14,937 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:13:14,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:13:14,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:13:14,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:13:14,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:13:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:13:15,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:13:15,008 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 01:13:15,008 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 01:13:15,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:13:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:13:15,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 01:13:15,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 01:13:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-08 01:13:15,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 01:13:15,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2019-09-08 01:13:15,090 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 01:13:15,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 01:13:15,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 01:13:15,093 INFO L87 Difference]: Start difference. First operand 24 states and 30 transitions. Second operand 7 states. [2019-09-08 01:13:15,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:13:15,148 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2019-09-08 01:13:15,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 01:13:15,150 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-09-08 01:13:15,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:13:15,151 INFO L225 Difference]: With dead ends: 34 [2019-09-08 01:13:15,151 INFO L226 Difference]: Without dead ends: 30 [2019-09-08 01:13:15,152 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-08 01:13:15,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-09-08 01:13:15,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-09-08 01:13:15,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-09-08 01:13:15,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2019-09-08 01:13:15,161 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 19 [2019-09-08 01:13:15,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:13:15,163 INFO L475 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2019-09-08 01:13:15,163 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 01:13:15,163 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2019-09-08 01:13:15,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-08 01:13:15,164 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:13:15,164 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:13:15,165 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:13:15,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:13:15,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1519244981, now seen corresponding path program 1 times [2019-09-08 01:13:15,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:13:15,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:13:15,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:13:15,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:13:15,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:13:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:13:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:13:15,294 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:13:15,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:13:15 BoogieIcfgContainer [2019-09-08 01:13:15,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:13:15,341 INFO L168 Benchmark]: Toolchain (without parser) took 2006.15 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 89.7 MB in the beginning and 86.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 70.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:13:15,342 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:13:15,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.96 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 89.4 MB in the beginning and 177.6 MB in the end (delta: -88.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:13:15,344 INFO L168 Benchmark]: Boogie Preprocessor took 46.07 ms. Allocated memory is still 201.9 MB. Free memory was 177.6 MB in the beginning and 175.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:13:15,345 INFO L168 Benchmark]: RCFGBuilder took 357.07 ms. Allocated memory is still 201.9 MB. Free memory was 175.2 MB in the beginning and 157.9 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:13:15,346 INFO L168 Benchmark]: TraceAbstraction took 1197.73 ms. Allocated memory is still 201.9 MB. Free memory was 157.4 MB in the beginning and 86.8 MB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:13:15,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 400.96 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 89.4 MB in the beginning and 177.6 MB in the end (delta: -88.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.07 ms. Allocated memory is still 201.9 MB. Free memory was 177.6 MB in the beginning and 175.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 357.07 ms. Allocated memory is still 201.9 MB. Free memory was 175.2 MB in the beginning and 157.9 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1197.73 ms. Allocated memory is still 201.9 MB. Free memory was 157.4 MB in the beginning and 86.8 MB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 91]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 40, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of to_real at line 41. Possible FailurePath: [L1] int __return_main; [L12] double __return_104; VAL [\old(__return_104)=18, \old(__return_main)=17, __return_104=0, __return_main=0] [L15] double main__a; [L16] double main__r; [L17] main__a = __VERIFIER_nondet_double() [L18] int main____CPAchecker_TMP_0; VAL [\old(__return_104)=0, __return_104=0, __return_main=0, main__a=19] [L19] COND TRUE main__a >= 20.0 VAL [\old(__return_104)=0, __return_104=0, __return_main=0, main__a=19] [L21] COND TRUE main__a <= 30.0 [L23] main____CPAchecker_TMP_0 = 1 VAL [\old(__return_104)=0, __return_104=0, __return_main=0, main____CPAchecker_TMP_0=1, main__a=19] [L25] COND TRUE main____CPAchecker_TMP_0 != 0 [L28] double __tmp_1; [L29] __tmp_1 = main__a [L30] double inv__A; [L31] inv__A = __tmp_1 [L32] double inv__xi; [L33] double inv__xsi; [L34] double inv__temp; [L35] signed int inv__cond; [L36] signed int inv__exp; [L37] union double_int inv__A_u; [L38] union double_int inv__xi_u; [L39] inv__A_u.d = inv__A [L40] EXPR inv__A_u.i [L40] inv__exp = ((signed int)(((inv__A_u.i) & 2146435072) >> 20)) - 1023 [L41] inv__xi_u.d = 1 [L42] inv__xi_u.i = (1023 - inv__exp) << 20 [L43] EXPR inv__xi_u.d [L43] inv__xi = inv__xi_u.d [L44] inv__cond = 1 VAL [\old(__return_104)=0, __return_104=0, __return_main=0, __tmp_1=19, inv__A=19, inv__A_u={1:0}, inv__cond=1, inv__exp=-1023, inv__xi=16, inv__xi_u={-1:0}, main____CPAchecker_TMP_0=1, main__a=19] [L46] COND TRUE !(inv__cond == 0) [L48] inv__xsi = (2 * inv__xi) - ((inv__A * inv__xi) * inv__xi) [L49] inv__temp = inv__xsi - inv__xi [L50] int inv____CPAchecker_TMP_0; VAL [\old(__return_104)=0, __return_104=0, __return_main=0, __tmp_1=19, inv__A=19, inv__A_u={1:0}, inv__cond=1, inv__exp=-1023, inv__xi=16, inv__xi_u={-1:0}, main____CPAchecker_TMP_0=1, main__a=19] [L51] COND FALSE !(inv__temp > 1.0E-10) VAL [\old(__return_104)=0, __return_104=0, __return_main=0, __tmp_1=19, inv__A=19, inv__A_u={1:0}, inv__cond=1, inv__exp=-1023, inv__xi=16, inv__xi_u={-1:0}, main____CPAchecker_TMP_0=1, main__a=19] [L62] COND FALSE !(inv__temp < -1.0E-10) [L68] inv____CPAchecker_TMP_0 = 0 VAL [\old(__return_104)=0, __return_104=0, __return_main=0, __tmp_1=19, inv____CPAchecker_TMP_0=0, inv__A=19, inv__A_u={1:0}, inv__cond=1, inv__exp=-1023, inv__xi=16, inv__xi_u={-1:0}, main____CPAchecker_TMP_0=1, main__a=19] [L56] inv__cond = inv____CPAchecker_TMP_0 [L57] inv__xi = inv__xsi VAL [\old(__return_104)=0, __return_104=0, __return_main=0, __tmp_1=19, inv____CPAchecker_TMP_0=0, inv__A=19, inv__A_u={1:0}, inv__cond=0, inv__exp=-1023, inv__xi=14, inv__xi_u={-1:0}, inv__xsi=14, main____CPAchecker_TMP_0=1, main__a=19] [L46] COND FALSE !(!(inv__cond == 0)) [L75] __return_104 = inv__xi [L76] main__r = __return_104 [L77] int main____CPAchecker_TMP_1; VAL [\old(__return_104)=0, __return_104=14, __return_main=0, __tmp_1=19, inv____CPAchecker_TMP_0=0, inv__A=19, inv__A_u={1:0}, inv__cond=0, inv__exp=-1023, inv__xi=14, inv__xi_u={-1:0}, inv__xsi=14, main____CPAchecker_TMP_0=1, main__a=19, main__r=14] [L78] COND FALSE !(main__r >= 0) VAL [\old(__return_104)=0, __return_104=14, __return_main=0, __tmp_1=19, inv____CPAchecker_TMP_0=0, inv__A=19, inv__A_u={1:0}, inv__cond=0, inv__exp=-1023, inv__xi=14, inv__xi_u={-1:0}, inv__xsi=14, main____CPAchecker_TMP_0=1, main__a=19, main__r=14] [L103] main____CPAchecker_TMP_1 = 0 VAL [\old(__return_104)=0, __return_104=14, __return_main=0, __tmp_1=19, inv____CPAchecker_TMP_0=0, inv__A=19, inv__A_u={1:0}, inv__cond=0, inv__exp=-1023, inv__xi=14, inv__xi_u={-1:0}, inv__xsi=14, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=19, main__r=14] [L85] int __tmp_2; [L86] __tmp_2 = main____CPAchecker_TMP_1 [L87] int __VERIFIER_assert__cond; [L88] __VERIFIER_assert__cond = __tmp_2 VAL [\old(__return_104)=0, __return_104=14, __return_main=0, __tmp_1=19, __tmp_2=0, __VERIFIER_assert__cond=0, inv____CPAchecker_TMP_0=0, inv__A=19, inv__A_u={1:0}, inv__cond=0, inv__exp=-1023, inv__xi=14, inv__xi_u={-1:0}, inv__xsi=14, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=19, main__r=14] [L89] COND TRUE __VERIFIER_assert__cond == 0 VAL [\old(__return_104)=0, __return_104=14, __return_main=0, __tmp_1=19, __tmp_2=0, __VERIFIER_assert__cond=0, inv____CPAchecker_TMP_0=0, inv__A=19, inv__A_u={1:0}, inv__cond=0, inv__exp=-1023, inv__xi=14, inv__xi_u={-1:0}, inv__xsi=14, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=19, main__r=14] [L91] __VERIFIER_error() VAL [\old(__return_104)=0, __return_104=14, __return_main=0, __tmp_1=19, __tmp_2=0, __VERIFIER_assert__cond=0, inv____CPAchecker_TMP_0=0, inv__A=19, inv__A_u={1:0}, inv__cond=0, inv__exp=-1023, inv__xi=14, inv__xi_u={-1:0}, inv__xsi=14, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=19, main__r=14] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 locations, 1 error locations. UNSAFE Result, 1.1s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 84 SDtfs, 47 SDslu, 153 SDs, 0 SdLazy, 29 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 1952 SizeOfPredicates, 5 NumberOfNonLiveVariables, 215 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 2/4 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...