/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1250.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 12:58:48,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 12:58:48,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 12:58:48,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 12:58:48,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 12:58:48,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 12:58:48,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 12:58:48,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 12:58:48,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 12:58:48,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 12:58:48,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 12:58:48,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 12:58:48,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 12:58:48,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 12:58:48,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 12:58:48,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 12:58:48,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 12:58:48,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 12:58:48,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 12:58:48,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 12:58:48,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 12:58:48,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 12:58:48,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 12:58:48,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 12:58:48,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 12:58:49,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 12:58:49,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 12:58:49,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 12:58:49,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 12:58:49,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 12:58:49,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 12:58:49,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 12:58:49,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 12:58:49,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 12:58:49,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 12:58:49,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 12:58:49,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 12:58:49,033 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 12:58:49,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 12:58:49,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 12:58:49,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 12:58:49,035 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 12:58:49,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 12:58:49,035 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 12:58:49,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 12:58:49,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 12:58:49,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 12:58:49,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 12:58:49,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 12:58:49,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 12:58:49,036 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 12:58:49,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 12:58:49,037 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 12:58:49,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 12:58:49,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 12:58:49,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 12:58:49,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 12:58:49,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 12:58:49,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 12:58:49,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 12:58:49,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 12:58:49,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 12:58:49,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 12:58:49,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 12:58:49,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 12:58:49,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 12:58:49,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 12:58:49,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 12:58:49,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 12:58:49,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 12:58:49,512 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 12:58:49,512 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 12:58:49,514 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1250.c [2020-09-04 12:58:49,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b7987569/7cbab11928884047a26ba9984a2b6917/FLAGabd414dcb [2020-09-04 12:58:50,101 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 12:58:50,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_1250.c [2020-09-04 12:58:50,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b7987569/7cbab11928884047a26ba9984a2b6917/FLAGabd414dcb [2020-09-04 12:58:50,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b7987569/7cbab11928884047a26ba9984a2b6917 [2020-09-04 12:58:50,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 12:58:50,482 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 12:58:50,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 12:58:50,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 12:58:50,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 12:58:50,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 12:58:50" (1/1) ... [2020-09-04 12:58:50,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425c36b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:58:50, skipping insertion in model container [2020-09-04 12:58:50,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 12:58:50" (1/1) ... [2020-09-04 12:58:50,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 12:58:50,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 12:58:50,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 12:58:50,756 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 12:58:50,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 12:58:50,814 INFO L208 MainTranslator]: Completed translation [2020-09-04 12:58:50,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:58:50 WrapperNode [2020-09-04 12:58:50,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 12:58:50,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 12:58:50,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 12:58:50,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 12:58:50,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:58:50" (1/1) ... [2020-09-04 12:58:50,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:58:50" (1/1) ... [2020-09-04 12:58:50,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:58:50" (1/1) ... [2020-09-04 12:58:50,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:58:50" (1/1) ... [2020-09-04 12:58:50,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:58:50" (1/1) ... [2020-09-04 12:58:50,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:58:50" (1/1) ... [2020-09-04 12:58:50,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:58:50" (1/1) ... [2020-09-04 12:58:50,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 12:58:50,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 12:58:50,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 12:58:50,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 12:58:50,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:58:50" (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 12:58:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 12:58:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 12:58:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-09-04 12:58:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-09-04 12:58:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_double [2020-09-04 12:58:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 12:58:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 12:58:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-09-04 12:58:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-09-04 12:58:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-09-04 12:58:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 12:58:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-04 12:58:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 12:58:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 12:58:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_double [2020-09-04 12:58:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 12:58:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 12:58:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 12:58:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-04 12:58:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 12:58:51,376 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 12:58:51,376 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-04 12:58:51,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 12:58:51 BoogieIcfgContainer [2020-09-04 12:58:51,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 12:58:51,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 12:58:51,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 12:58:51,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 12:58:51,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 12:58:50" (1/3) ... [2020-09-04 12:58:51,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ec5e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 12:58:51, skipping insertion in model container [2020-09-04 12:58:51,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:58:50" (2/3) ... [2020-09-04 12:58:51,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ec5e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 12:58:51, skipping insertion in model container [2020-09-04 12:58:51,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 12:58:51" (3/3) ... [2020-09-04 12:58:51,406 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1250.c [2020-09-04 12:58:51,414 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 12:58:51,423 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 12:58:51,443 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 12:58:51,470 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 12:58:51,471 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 12:58:51,471 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 12:58:51,471 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 12:58:51,471 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 12:58:51,471 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 12:58:51,472 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 12:58:51,472 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 12:58:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-09-04 12:58:51,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-04 12:58:51,501 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:58:51,502 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] [2020-09-04 12:58:51,503 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:58:51,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:58:51,510 INFO L82 PathProgramCache]: Analyzing trace with hash 397720622, now seen corresponding path program 1 times [2020-09-04 12:58:51,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:58:51,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934104500] [2020-09-04 12:58:51,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:58:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:51,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:58:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:51,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:58:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:51,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:58:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:51,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 12:58:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:51,823 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 12:58:51,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934104500] [2020-09-04 12:58:51,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:58:51,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 12:58:51,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031365605] [2020-09-04 12:58:51,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 12:58:51,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:58:51,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 12:58:51,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 12:58:51,854 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2020-09-04 12:58:52,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:58:52,064 INFO L93 Difference]: Finished difference Result 71 states and 92 transitions. [2020-09-04 12:58:52,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 12:58:52,066 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-09-04 12:58:52,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:58:52,078 INFO L225 Difference]: With dead ends: 71 [2020-09-04 12:58:52,079 INFO L226 Difference]: Without dead ends: 36 [2020-09-04 12:58:52,083 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 [2020-09-04 12:58:52,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-09-04 12:58:52,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-09-04 12:58:52,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-09-04 12:58:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2020-09-04 12:58:52,141 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 26 [2020-09-04 12:58:52,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:58:52,142 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2020-09-04 12:58:52,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 12:58:52,142 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2020-09-04 12:58:52,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-04 12:58:52,145 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:58:52,145 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] [2020-09-04 12:58:52,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 12:58:52,146 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:58:52,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:58:52,146 INFO L82 PathProgramCache]: Analyzing trace with hash -54823803, now seen corresponding path program 1 times [2020-09-04 12:58:52,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:58:52,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007390758] [2020-09-04 12:58:52,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:58:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:52,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:58:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:52,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:58:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:52,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:58:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:52,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 12:58:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:52,392 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 12:58:52,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007390758] [2020-09-04 12:58:52,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:58:52,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-04 12:58:52,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420996336] [2020-09-04 12:58:52,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-04 12:58:52,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:58:52,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-04 12:58:52,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-04 12:58:52,398 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. Second operand 6 states. [2020-09-04 12:58:52,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:58:52,683 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2020-09-04 12:58:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 12:58:52,684 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-09-04 12:58:52,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:58:52,688 INFO L225 Difference]: With dead ends: 51 [2020-09-04 12:58:52,688 INFO L226 Difference]: Without dead ends: 40 [2020-09-04 12:58:52,689 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 [2020-09-04 12:58:52,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-09-04 12:58:52,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-09-04 12:58:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-04 12:58:52,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2020-09-04 12:58:52,702 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 27 [2020-09-04 12:58:52,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:58:52,702 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-09-04 12:58:52,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-04 12:58:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2020-09-04 12:58:52,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-04 12:58:52,704 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:58:52,704 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] [2020-09-04 12:58:52,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 12:58:52,705 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:58:52,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:58:52,705 INFO L82 PathProgramCache]: Analyzing trace with hash -268248811, now seen corresponding path program 1 times [2020-09-04 12:58:52,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:58:52,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832355863] [2020-09-04 12:58:52,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:58:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:52,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:58:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:52,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:58:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:52,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:58:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:52,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-04 12:58:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:58:52,836 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 12:58:52,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832355863] [2020-09-04 12:58:52,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:58:52,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-04 12:58:52,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268249955] [2020-09-04 12:58:52,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-04 12:58:52,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:58:52,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-04 12:58:52,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-04 12:58:52,839 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 6 states. [2020-09-04 12:58:53,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:58:53,027 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2020-09-04 12:58:53,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 12:58:53,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-09-04 12:58:53,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:58:53,029 INFO L225 Difference]: With dead ends: 55 [2020-09-04 12:58:53,029 INFO L226 Difference]: Without dead ends: 44 [2020-09-04 12:58:53,031 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 [2020-09-04 12:58:53,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-09-04 12:58:53,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2020-09-04 12:58:53,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-04 12:58:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2020-09-04 12:58:53,040 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 30 [2020-09-04 12:58:53,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:58:53,040 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-09-04 12:58:53,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-04 12:58:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2020-09-04 12:58:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-04 12:58:53,042 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:58:53,042 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] [2020-09-04 12:58:53,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 12:58:53,042 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:58:53,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:58:53,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1239302998, now seen corresponding path program 1 times [2020-09-04 12:58:53,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:58:53,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184050805] [2020-09-04 12:58:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:58:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 12:58:53,069 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 12:58:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 12:58:53,091 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 12:58:53,120 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-04 12:58:53,121 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 12:58:53,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 12:58:53,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 12:58:53 BoogieIcfgContainer [2020-09-04 12:58:53,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 12:58:53,171 INFO L168 Benchmark]: Toolchain (without parser) took 2687.25 ms. Allocated memory was 141.0 MB in the beginning and 233.8 MB in the end (delta: 92.8 MB). Free memory was 104.8 MB in the beginning and 142.1 MB in the end (delta: -37.3 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2020-09-04 12:58:53,171 INFO L168 Benchmark]: CDTParser took 1.40 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 12:58:53,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.62 ms. Allocated memory is still 141.0 MB. Free memory was 104.6 MB in the beginning and 93.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-09-04 12:58:53,173 INFO L168 Benchmark]: Boogie Preprocessor took 125.74 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 93.6 MB in the beginning and 180.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-04 12:58:53,174 INFO L168 Benchmark]: RCFGBuilder took 440.37 ms. Allocated memory is still 203.4 MB. Free memory was 180.7 MB in the beginning and 161.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2020-09-04 12:58:53,175 INFO L168 Benchmark]: TraceAbstraction took 1769.22 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 161.8 MB in the beginning and 142.1 MB in the end (delta: 19.7 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB. [2020-09-04 12:58:53,179 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 330.62 ms. Allocated memory is still 141.0 MB. Free memory was 104.6 MB in the beginning and 93.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.74 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 93.6 MB in the beginning and 180.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 440.37 ms. Allocated memory is still 203.4 MB. Free memory was 180.7 MB in the beginning and 161.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1769.22 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 161.8 MB in the beginning and 142.1 MB in the end (delta: 19.7 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 72]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of someBinaryArithmeticDOUBLEoperation at line 67. Possible FailurePath: [L67] double x = 0.0 / 0.0; [L68] double y = 0.0 / 0.0; [L69] CALL, EXPR fmax_double(x, y) VAL [\old(x)=4293918724, \old(y)=4293918725] [L55] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=4293918724] [L27] __uint32_t msw, lsw; VAL [\old(x)=4293918724, x=4293918724] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (msw) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lsw) = ew_u.parts.lsw [L36-L37] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) VAL [\old(x)=4293918724, lsw=1, msw=4293918721, x=4293918724] [L39-L40] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) VAL [\old(x)=4293918724, lsw=1, msw=4293918721, x=4293918724] [L42-L43] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) VAL [\old(x)=4293918724, lsw=1, msw=4293918721, x=4293918724] [L46-L47] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L50] return 0; VAL [\old(x)=4293918724, \result=0, lsw=1, msw=4293918721, x=4293918724] [L55] RET, EXPR __fpclassify_double(x) VAL [\old(x)=4293918724, \old(y)=4293918725, __fpclassify_double(x)=0, x=4293918724, y=4293918725] [L55] COND TRUE __fpclassify_double(x) == 0 [L56] return y; VAL [\old(x)=4293918724, \old(y)=4293918725, \result=4293918725, x=4293918724, y=4293918725] [L69] RET, EXPR fmax_double(x, y) VAL [fmax_double(x, y)=4293918725, x=4293918724, y=4293918725] [L69] double res = fmax_double(x, y); [L71] CALL, EXPR isnan_double(res) VAL [\old(x)=4293918725] [L16] return x != x; VAL [\old(x)=4293918725, \result=0, x=4293918725] [L71] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, res=4293918725, x=4293918724, y=4293918725] [L71] COND TRUE !isnan_double(res) [L72] __VERIFIER_error() VAL [res=4293918725, x=4293918724, y=4293918725] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 111 SDtfs, 108 SDslu, 43 SDs, 0 SdLazy, 255 SolverSat, 50 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=40occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 5222 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...