/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.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:10:22,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:10:22,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:10:22,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:10:22,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:10:22,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:10:22,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:10:22,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:10:22,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:10:22,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:10:22,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:10:22,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:10:22,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:10:22,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:10:22,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:10:22,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:10:22,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:10:22,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:10:22,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:10:22,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:10:22,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:10:22,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:10:22,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:10:22,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:10:22,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 01:10:22,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:10:22,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:10:22,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:10:22,216 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 [2020-07-20 01:10:22,244 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:10:22,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:10:22,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:10:22,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:10:22,248 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:10:22,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:10:22,248 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:10:22,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:10:22,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:10:22,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:10:22,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:10:22,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:10:22,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:10:22,250 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:10:22,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:10:22,250 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:10:22,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:10:22,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:10:22,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:10:22,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:10:22,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:10:22,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:10:22,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:10:22,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:10:22,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:10:22,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:10:22,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:10:22,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:10:22,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:10:22,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:10:22,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:10:22,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:10:22,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:10:22,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:10:22,576 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:10:22,578 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c [2020-07-20 01:10:22,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c04759b3/b85202ab43c64fc7939c2782b9ea0edd/FLAG91754f45b [2020-07-20 01:10:23,082 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:10:23,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c [2020-07-20 01:10:23,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c04759b3/b85202ab43c64fc7939c2782b9ea0edd/FLAG91754f45b [2020-07-20 01:10:23,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c04759b3/b85202ab43c64fc7939c2782b9ea0edd [2020-07-20 01:10:23,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:10:23,493 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:10:23,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:10:23,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:10:23,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:10:23,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:10:23" (1/1) ... [2020-07-20 01:10:23,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d915f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:10:23, skipping insertion in model container [2020-07-20 01:10:23,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:10:23" (1/1) ... [2020-07-20 01:10:23,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:10:23,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:10:23,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:10:23,763 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:10:23,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:10:23,808 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:10:23,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:10:23 WrapperNode [2020-07-20 01:10:23,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:10:23,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:10:23,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:10:23,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:10:23,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:10:23" (1/1) ... [2020-07-20 01:10:23,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:10:23" (1/1) ... [2020-07-20 01:10:23,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:10:23" (1/1) ... [2020-07-20 01:10:23,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:10:23" (1/1) ... [2020-07-20 01:10:23,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:10:23" (1/1) ... [2020-07-20 01:10:23,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:10:23" (1/1) ... [2020-07-20 01:10:23,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:10:23" (1/1) ... [2020-07-20 01:10:23,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:10:23,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:10:23,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:10:23,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:10:23,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:10:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:10:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:10:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:10:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-20 01:10:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-07-20 01:10:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2020-07-20 01:10:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:10:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:10:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-20 01:10:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-20 01:10:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-07-20 01:10:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:10:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-20 01:10:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:10:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:10:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2020-07-20 01:10:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:10:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:10:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:10:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-20 01:10:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:10:24,312 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:10:24,312 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-20 01:10:24,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:10:24 BoogieIcfgContainer [2020-07-20 01:10:24,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:10:24,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:10:24,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:10:24,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:10:24,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:10:23" (1/3) ... [2020-07-20 01:10:24,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ba4628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:10:24, skipping insertion in model container [2020-07-20 01:10:24,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:10:23" (2/3) ... [2020-07-20 01:10:24,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ba4628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:10:24, skipping insertion in model container [2020-07-20 01:10:24,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:10:24" (3/3) ... [2020-07-20 01:10:24,325 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1231b.c [2020-07-20 01:10:24,335 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:10:24,342 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:10:24,359 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:10:24,380 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:10:24,380 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:10:24,381 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:10:24,381 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:10:24,381 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:10:24,381 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:10:24,381 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:10:24,381 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:10:24,398 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-07-20 01:10:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-20 01:10:24,403 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:10:24,404 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] [2020-07-20 01:10:24,405 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:10:24,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:10:24,409 INFO L82 PathProgramCache]: Analyzing trace with hash 969227935, now seen corresponding path program 1 times [2020-07-20 01:10:24,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:10:24,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074334890] [2020-07-20 01:10:24,418 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7deb5fb8 [2020-07-20 01:10:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:24,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:10:24,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074334890] [2020-07-20 01:10:24,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:10:24,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:10:24,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259323149] [2020-07-20 01:10:24,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:10:24,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:10:24,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:10:24,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:10:24,719 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2020-07-20 01:10:24,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:10:24,910 INFO L93 Difference]: Finished difference Result 72 states and 94 transitions. [2020-07-20 01:10:24,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 01:10:24,912 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-07-20 01:10:24,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:10:24,923 INFO L225 Difference]: With dead ends: 72 [2020-07-20 01:10:24,923 INFO L226 Difference]: Without dead ends: 37 [2020-07-20 01:10:24,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:10:24,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-20 01:10:24,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-07-20 01:10:24,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-20 01:10:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2020-07-20 01:10:24,969 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 27 [2020-07-20 01:10:24,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:10:24,970 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2020-07-20 01:10:24,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:10:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2020-07-20 01:10:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-20 01:10:24,973 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:10:24,973 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] [2020-07-20 01:10:24,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:10:24,975 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:10:24,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:10:24,976 INFO L82 PathProgramCache]: Analyzing trace with hash 627032795, now seen corresponding path program 1 times [2020-07-20 01:10:24,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:10:24,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074692629] [2020-07-20 01:10:24,977 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7deb5fb8 [2020-07-20 01:10:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:10:25,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074692629] [2020-07-20 01:10:25,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:10:25,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 01:10:25,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748342654] [2020-07-20 01:10:25,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:10:25,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:10:25,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:10:25,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:10:25,218 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand 6 states. [2020-07-20 01:10:25,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:10:25,492 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2020-07-20 01:10:25,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:10:25,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-07-20 01:10:25,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:10:25,496 INFO L225 Difference]: With dead ends: 47 [2020-07-20 01:10:25,496 INFO L226 Difference]: Without dead ends: 41 [2020-07-20 01:10:25,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:10:25,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-07-20 01:10:25,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-07-20 01:10:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-20 01:10:25,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-07-20 01:10:25,509 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 28 [2020-07-20 01:10:25,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:10:25,510 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-07-20 01:10:25,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:10:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-07-20 01:10:25,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-20 01:10:25,511 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:10:25,512 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] [2020-07-20 01:10:25,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:10:25,512 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:10:25,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:10:25,513 INFO L82 PathProgramCache]: Analyzing trace with hash 151786008, now seen corresponding path program 1 times [2020-07-20 01:10:25,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:10:25,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731917779] [2020-07-20 01:10:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7deb5fb8 [2020-07-20 01:10:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:10:25,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731917779] [2020-07-20 01:10:25,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:10:25,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 01:10:25,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47086375] [2020-07-20 01:10:25,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:10:25,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:10:25,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:10:25,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:10:25,708 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 6 states. [2020-07-20 01:10:25,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:10:25,923 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2020-07-20 01:10:25,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:10:25,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-07-20 01:10:25,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:10:25,925 INFO L225 Difference]: With dead ends: 51 [2020-07-20 01:10:25,925 INFO L226 Difference]: Without dead ends: 45 [2020-07-20 01:10:25,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:10:25,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-07-20 01:10:25,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2020-07-20 01:10:25,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-20 01:10:25,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-07-20 01:10:25,936 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 31 [2020-07-20 01:10:25,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:10:25,936 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-07-20 01:10:25,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:10:25,937 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-07-20 01:10:25,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-20 01:10:25,938 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:10:25,938 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] [2020-07-20 01:10:25,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:10:25,939 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:10:25,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:10:25,939 INFO L82 PathProgramCache]: Analyzing trace with hash -44727497, now seen corresponding path program 1 times [2020-07-20 01:10:25,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:10:25,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508977119] [2020-07-20 01:10:25,940 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7deb5fb8 [2020-07-20 01:10:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 01:10:26,005 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 01:10:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 01:10:26,106 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 01:10:26,143 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-20 01:10:26,143 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 01:10:26,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:10:26,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:10:26 BoogieIcfgContainer [2020-07-20 01:10:26,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:10:26,191 INFO L168 Benchmark]: Toolchain (without parser) took 2698.98 ms. Allocated memory was 138.4 MB in the beginning and 235.4 MB in the end (delta: 97.0 MB). Free memory was 102.3 MB in the beginning and 131.6 MB in the end (delta: -29.4 MB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2020-07-20 01:10:26,194 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:10:26,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.16 ms. Allocated memory is still 138.4 MB. Free memory was 101.9 MB in the beginning and 90.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-07-20 01:10:26,196 INFO L168 Benchmark]: Boogie Preprocessor took 115.84 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 90.9 MB in the beginning and 179.8 MB in the end (delta: -88.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-07-20 01:10:26,197 INFO L168 Benchmark]: RCFGBuilder took 391.14 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 160.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:10:26,204 INFO L168 Benchmark]: TraceAbstraction took 1870.48 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 160.0 MB in the beginning and 131.6 MB in the end (delta: 28.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:10:26,214 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 315.16 ms. Allocated memory is still 138.4 MB. Free memory was 101.9 MB in the beginning and 90.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.84 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 90.9 MB in the beginning and 179.8 MB in the end (delta: -88.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 391.14 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 160.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1870.48 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 160.0 MB in the beginning and 131.6 MB in the end (delta: 28.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 68]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L60] double x = __VERIFIER_nondet_double(); [L61] double y = 0.0 / 0.0; VAL [x=2146435077] [L62] CALL, EXPR isnan_double(x) VAL [\old(x)=2146435077] [L16] return x != x; VAL [\old(x)=2146435077, \result=0, x=2146435077] [L62] RET, EXPR isnan_double(x) VAL [isnan_double(x)=0, x=2146435077] [L62] COND TRUE !isnan_double(x) [L64] CALL, EXPR fmin_double(x, y) VAL [\old(x)=2146435077, \old(y)=2146435076] [L45] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=2146435077] [L18] __uint32_t msw, lsw; VAL [\old(x)=2146435077, x=2146435077] [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L27-L28] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) VAL [\old(x)=2146435077, lsw=1, msw=2146435073, x=2146435077] [L30-L31] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) VAL [\old(x)=2146435077, lsw=1, msw=2146435073, x=2146435077] [L33-L34] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) VAL [\old(x)=2146435077, lsw=1, msw=2146435073, x=2146435077] [L37-L38] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L41] return 0; VAL [\old(x)=2146435077, \result=0, lsw=1, msw=2146435073, x=2146435077] [L45] RET, EXPR __fpclassify_double(x) VAL [\old(x)=2146435077, \old(y)=2146435076, __fpclassify_double(x)=0, x=2146435077, y=2146435076] [L45] COND TRUE __fpclassify_double(x) == 0 [L46] return y; VAL [\old(x)=2146435077, \old(y)=2146435076, \result=2146435076, x=2146435077, y=2146435076] [L64] RET, EXPR fmin_double(x, y) VAL [fmin_double(x, y)=2146435076, x=2146435077, y=2146435076] [L64] double res = fmin_double(x, y); [L67] COND TRUE res != x VAL [res=2146435076, x=2146435077, y=2146435076] [L68] __VERIFIER_error() VAL [res=2146435076, x=2146435077, y=2146435076] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 116 SDtfs, 124 SDslu, 43 SDs, 0 SdLazy, 254 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 5500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...