/usr/bin/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1052c.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:36:14,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:36:14,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:36:14,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:36:14,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:36:14,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:36:14,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:36:14,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:36:14,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:36:14,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:36:14,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:36:14,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:36:14,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:36:14,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:36:14,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:36:14,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:36:14,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:36:14,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:36:14,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:36:14,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:36:14,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:36:14,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:36:14,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:36:14,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:36:14,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 21:36:14,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:36:14,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:36:14,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:36:14,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 21:36:14,690 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:36:14,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:36:14,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:36:14,693 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:36:14,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:36:14,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:36:14,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:36:14,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:36:14,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:36:14,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:36:14,696 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:36:14,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:36:14,696 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:36:14,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:36:14,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:36:14,697 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:36:14,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:36:14,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:36:14,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:36:14,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:36:14,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:36:14,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:36:14,699 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 21:36:15,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:36:15,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:36:15,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:36:15,148 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:36:15,149 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:36:15,150 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1052c.c [2020-09-04 21:36:15,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b115d0cf8/d6fa1eed52634195b40a8ae37afcfe5d/FLAGae0de053e [2020-09-04 21:36:15,771 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:36:15,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_1052c.c [2020-09-04 21:36:15,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b115d0cf8/d6fa1eed52634195b40a8ae37afcfe5d/FLAGae0de053e [2020-09-04 21:36:16,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b115d0cf8/d6fa1eed52634195b40a8ae37afcfe5d [2020-09-04 21:36:16,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:36:16,115 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:36:16,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:36:16,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:36:16,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:36:16,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:36:16" (1/1) ... [2020-09-04 21:36:16,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3310a15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:36:16, skipping insertion in model container [2020-09-04 21:36:16,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:36:16" (1/1) ... [2020-09-04 21:36:16,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:36:16,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:36:16,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:36:16,421 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:36:16,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:36:16,580 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:36:16,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:36:16 WrapperNode [2020-09-04 21:36:16,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:36:16,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:36:16,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:36:16,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:36:16,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:36:16" (1/1) ... [2020-09-04 21:36:16,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:36:16" (1/1) ... [2020-09-04 21:36:16,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:36:16" (1/1) ... [2020-09-04 21:36:16,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:36:16" (1/1) ... [2020-09-04 21:36:16,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:36:16" (1/1) ... [2020-09-04 21:36:16,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:36:16" (1/1) ... [2020-09-04 21:36:16,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:36:16" (1/1) ... [2020-09-04 21:36:16,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:36:16,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:36:16,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:36:16,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:36:16,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:36:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 21:36:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:36:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:36:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2020-09-04 21:36:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-09-04 21:36:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2020-09-04 21:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:36:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-04 21:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-04 21:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-09-04 21:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:36:17,296 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:36:17,296 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-04 21:36:17,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:36:17 BoogieIcfgContainer [2020-09-04 21:36:17,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:36:17,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:36:17,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:36:17,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:36:17,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:36:16" (1/3) ... [2020-09-04 21:36:17,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794e9a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:36:17, skipping insertion in model container [2020-09-04 21:36:17,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:36:16" (2/3) ... [2020-09-04 21:36:17,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794e9a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:36:17, skipping insertion in model container [2020-09-04 21:36:17,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:36:17" (3/3) ... [2020-09-04 21:36:17,312 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052c.c [2020-09-04 21:36:17,324 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:36:17,334 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:36:17,356 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:36:17,381 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:36:17,381 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:36:17,381 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:36:17,382 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:36:17,382 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:36:17,382 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:36:17,382 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:36:17,382 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:36:17,405 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-09-04 21:36:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-04 21:36:17,420 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:36:17,421 INFO L422 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] [2020-09-04 21:36:17,422 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:36:17,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:36:17,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1852514461, now seen corresponding path program 1 times [2020-09-04 21:36:17,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:36:17,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [750417244] [2020-09-04 21:36:17,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:36:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:36:17,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:36:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:36:17,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 21:36:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:36:17,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 21:36:17,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [750417244] [2020-09-04 21:36:17,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:36:17,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 21:36:17,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238552640] [2020-09-04 21:36:17,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 21:36:17,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:36:17,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 21:36:17,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:36:17,735 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 4 states. [2020-09-04 21:36:18,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:36:18,108 INFO L93 Difference]: Finished difference Result 213 states and 258 transitions. [2020-09-04 21:36:18,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 21:36:18,110 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-09-04 21:36:18,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:36:18,125 INFO L225 Difference]: With dead ends: 213 [2020-09-04 21:36:18,125 INFO L226 Difference]: Without dead ends: 107 [2020-09-04 21:36:18,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 21:36:18,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-09-04 21:36:18,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-09-04 21:36:18,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-09-04 21:36:18,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2020-09-04 21:36:18,192 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 32 [2020-09-04 21:36:18,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:36:18,192 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2020-09-04 21:36:18,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 21:36:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2020-09-04 21:36:18,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-04 21:36:18,209 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:36:18,209 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:36:18,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:36:18,210 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:36:18,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:36:18,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1065550425, now seen corresponding path program 1 times [2020-09-04 21:36:18,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:36:18,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1570691883] [2020-09-04 21:36:18,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:36:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:36:18,269 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:36:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:36:18,305 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:36:18,353 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 21:36:18,353 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 21:36:18,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:36:18,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 09:36:18 BoogieIcfgContainer [2020-09-04 21:36:18,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 21:36:18,410 INFO L168 Benchmark]: Toolchain (without parser) took 2294.01 ms. Allocated memory was 140.0 MB in the beginning and 234.4 MB in the end (delta: 94.4 MB). Free memory was 103.4 MB in the beginning and 195.3 MB in the end (delta: -92.0 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-09-04 21:36:18,410 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-04 21:36:18,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.34 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 102.9 MB in the beginning and 182.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-09-04 21:36:18,413 INFO L168 Benchmark]: Boogie Preprocessor took 67.68 ms. Allocated memory is still 203.9 MB. Free memory was 182.3 MB in the beginning and 179.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-09-04 21:36:18,413 INFO L168 Benchmark]: RCFGBuilder took 653.05 ms. Allocated memory is still 203.9 MB. Free memory was 179.5 MB in the beginning and 150.7 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2020-09-04 21:36:18,415 INFO L168 Benchmark]: TraceAbstraction took 1102.59 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 150.7 MB in the beginning and 195.3 MB in the end (delta: -44.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 21:36:18,419 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 465.34 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 102.9 MB in the beginning and 182.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.68 ms. Allocated memory is still 203.9 MB. Free memory was 182.3 MB in the beginning and 179.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 653.05 ms. Allocated memory is still 203.9 MB. Free memory was 179.5 MB in the beginning and 150.7 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1102.59 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 150.7 MB in the beginning and 195.3 MB in the end (delta: -44.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 98, overapproximation of bitwiseAnd at line 25, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L14] static const double huge_floor = 1.0e300; VAL [\old(huge_floor)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L98] double x = -0.0; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L99] CALL, EXPR floor_double(x) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L17] __int32_t i0, i1, j0; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L18] __uint32_t i, j; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L20] ieee_double_shape_type ew_u; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, ew_u={2:0}, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L21] ew_u.value = (x) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, ew_u={2:0}, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L22] EXPR ew_u.parts.msw VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, ew_u={2:0}, ew_u.parts.msw=4294967295, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L22] (i0) = ew_u.parts.msw VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, ew_u={2:0}, ew_u.parts.msw=4294967295, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L23] EXPR ew_u.parts.lsw VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, ew_u={2:0}, ew_u.parts.lsw=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L23] (i1) = ew_u.parts.lsw VAL [(i1) = ew_u.parts.lsw=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, ew_u={2:0}, ew_u.parts.lsw=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L26] COND FALSE !(j0 < 20) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=0, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L47] COND TRUE j0 > 51 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=0, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L48] COND TRUE j0 == 0x400 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=0, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L49] return x + x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=0, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L99] RET, EXPR floor_double(x) VAL [floor_double(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L99] double res = floor_double(x); VAL [floor_double(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L102] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, res == -0.0 && __signbit_double(res) == 1=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L102] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, res == -0.0 && __signbit_double(res) == 1=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L103] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 19 SDslu, 97 SDs, 0 SdLazy, 137 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 1705 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...