/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 0.2.0-7d8eed3 [2020-11-06 21:57:36,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:57:36,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:57:36,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:57:36,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:57:36,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:57:36,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:57:36,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:57:36,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:57:36,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:57:36,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:57:36,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:57:36,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:57:36,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:57:36,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:57:36,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:57:36,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:57:36,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:57:36,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:57:36,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:57:36,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:57:36,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:57:36,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:57:36,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:57:36,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 21:57:36,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:57:36,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:57:36,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:57:36,730 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 [2020-11-06 21:57:36,794 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:57:36,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:57:36,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:57:36,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:57:36,797 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:57:36,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:57:36,797 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:57:36,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:57:36,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:57:36,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:57:36,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:57:36,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:57:36,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:57:36,804 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:57:36,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:57:36,805 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:57:36,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:57:36,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:57:36,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:57:36,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:57:36,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:57:36,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:57:36,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:57:36,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:57:36,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:57:36,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:57:36,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:57:36,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:57:36,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:57:36,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:57:37,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:57:37,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:57:37,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:57:37,204 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:57:37,205 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:57:37,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1250.c [2020-11-06 21:57:37,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1029b7d2f/b55fce4b49e1491780571306862f4f63/FLAGad3f6026e [2020-11-06 21:57:37,967 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:57:37,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1250.c [2020-11-06 21:57:37,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1029b7d2f/b55fce4b49e1491780571306862f4f63/FLAGad3f6026e [2020-11-06 21:57:38,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1029b7d2f/b55fce4b49e1491780571306862f4f63 [2020-11-06 21:57:38,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:57:38,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:57:38,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:57:38,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:57:38,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:57:38,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:57:38" (1/1) ... [2020-11-06 21:57:38,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e23fb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:38, skipping insertion in model container [2020-11-06 21:57:38,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:57:38" (1/1) ... [2020-11-06 21:57:38,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:57:38,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:57:38,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:57:38,544 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:57:38,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:57:38,594 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:57:38,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:38 WrapperNode [2020-11-06 21:57:38,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:57:38,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:57:38,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:57:38,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:57:38,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:38" (1/1) ... [2020-11-06 21:57:38,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:38" (1/1) ... [2020-11-06 21:57:38,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:38" (1/1) ... [2020-11-06 21:57:38,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:38" (1/1) ... [2020-11-06 21:57:38,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:38" (1/1) ... [2020-11-06 21:57:38,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:38" (1/1) ... [2020-11-06 21:57:38,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:38" (1/1) ... [2020-11-06 21:57:38,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:57:38,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:57:38,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:57:38,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:57:38,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:38" (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 [2020-11-06 21:57:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:57:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:57:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:57:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-11-06 21:57:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-11-06 21:57:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_double [2020-11-06 21:57:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:57:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:57:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:57:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:57:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:57:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-11-06 21:57:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-11-06 21:57:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-11-06 21:57:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-06 21:57:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:57:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:57:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_double [2020-11-06 21:57:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:57:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:57:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:57:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:57:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-06 21:57:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:57:39,208 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:57:39,209 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-11-06 21:57:39,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:39 BoogieIcfgContainer [2020-11-06 21:57:39,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:57:39,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:57:39,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:57:39,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:57:39,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:57:38" (1/3) ... [2020-11-06 21:57:39,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741daace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:57:39, skipping insertion in model container [2020-11-06 21:57:39,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:38" (2/3) ... [2020-11-06 21:57:39,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741daace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:57:39, skipping insertion in model container [2020-11-06 21:57:39,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:39" (3/3) ... [2020-11-06 21:57:39,221 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1250.c [2020-11-06 21:57:39,237 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:57:39,241 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 21:57:39,256 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 21:57:39,288 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:57:39,288 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:57:39,288 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:57:39,288 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:57:39,289 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:57:39,289 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:57:39,289 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:57:39,289 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:57:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-11-06 21:57:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-06 21:57:39,316 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:39,317 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] [2020-11-06 21:57:39,318 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:57:39,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:39,325 INFO L82 PathProgramCache]: Analyzing trace with hash -720338700, now seen corresponding path program 1 times [2020-11-06 21:57:39,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:39,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855902116] [2020-11-06 21:57:39,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-06 21:57:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:57:39,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855902116] [2020-11-06 21:57:39,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:57:39,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:57:39,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201667596] [2020-11-06 21:57:39,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:57:39,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:39,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:57:39,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:57:39,726 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 4 states. [2020-11-06 21:57:40,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:40,044 INFO L93 Difference]: Finished difference Result 76 states and 98 transitions. [2020-11-06 21:57:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 21:57:40,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-11-06 21:57:40,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:40,056 INFO L225 Difference]: With dead ends: 76 [2020-11-06 21:57:40,056 INFO L226 Difference]: Without dead ends: 37 [2020-11-06 21:57:40,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:57:40,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-06 21:57:40,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-06 21:57:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-06 21:57:40,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2020-11-06 21:57:40,157 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 27 [2020-11-06 21:57:40,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:40,157 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2020-11-06 21:57:40,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:57:40,158 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2020-11-06 21:57:40,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-06 21:57:40,162 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:40,163 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] [2020-11-06 21:57:40,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:57:40,163 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:57:40,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:40,166 INFO L82 PathProgramCache]: Analyzing trace with hash 2051024786, now seen corresponding path program 1 times [2020-11-06 21:57:40,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:40,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448249065] [2020-11-06 21:57:40,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-06 21:57:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:57:40,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448249065] [2020-11-06 21:57:40,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:57:40,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 21:57:40,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346784037] [2020-11-06 21:57:40,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 21:57:40,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:40,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 21:57:40,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 21:57:40,483 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand 6 states. [2020-11-06 21:57:40,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:40,658 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2020-11-06 21:57:40,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 21:57:40,659 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-11-06 21:57:40,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:40,662 INFO L225 Difference]: With dead ends: 53 [2020-11-06 21:57:40,662 INFO L226 Difference]: Without dead ends: 41 [2020-11-06 21:57:40,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:57:40,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-11-06 21:57:40,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-11-06 21:57:40,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-06 21:57:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-11-06 21:57:40,678 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 28 [2020-11-06 21:57:40,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:40,678 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-11-06 21:57:40,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 21:57:40,679 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-11-06 21:57:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-06 21:57:40,680 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:40,680 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] [2020-11-06 21:57:40,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:57:40,681 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:57:40,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:40,682 INFO L82 PathProgramCache]: Analyzing trace with hash 231005741, now seen corresponding path program 1 times [2020-11-06 21:57:40,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:40,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773282362] [2020-11-06 21:57:40,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 21:57:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:57:40,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773282362] [2020-11-06 21:57:40,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:57:40,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 21:57:40,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023033304] [2020-11-06 21:57:40,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 21:57:40,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:40,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 21:57:40,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 21:57:40,843 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 6 states. [2020-11-06 21:57:41,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:41,013 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2020-11-06 21:57:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 21:57:41,013 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-11-06 21:57:41,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:41,015 INFO L225 Difference]: With dead ends: 57 [2020-11-06 21:57:41,015 INFO L226 Difference]: Without dead ends: 45 [2020-11-06 21:57:41,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:57:41,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-06 21:57:41,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2020-11-06 21:57:41,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-06 21:57:41,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-11-06 21:57:41,026 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 31 [2020-11-06 21:57:41,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:41,027 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-11-06 21:57:41,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 21:57:41,027 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-11-06 21:57:41,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-06 21:57:41,029 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:41,029 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] [2020-11-06 21:57:41,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:57:41,029 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:57:41,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:41,030 INFO L82 PathProgramCache]: Analyzing trace with hash -279528436, now seen corresponding path program 1 times [2020-11-06 21:57:41,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:41,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682377592] [2020-11-06 21:57:41,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:57:41,060 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:57:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:57:41,080 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:57:41,110 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 21:57:41,110 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 21:57:41,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:57:41,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:57:41 BoogieIcfgContainer [2020-11-06 21:57:41,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:57:41,155 INFO L168 Benchmark]: Toolchain (without parser) took 2846.63 ms. Allocated memory is still 155.2 MB. Free memory was 131.6 MB in the beginning and 106.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:41,156 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory was 101.5 MB in the beginning and 101.4 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:57:41,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.25 ms. Allocated memory is still 155.2 MB. Free memory was 131.0 MB in the beginning and 120.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:41,157 INFO L168 Benchmark]: Boogie Preprocessor took 46.56 ms. Allocated memory is still 155.2 MB. Free memory was 120.9 MB in the beginning and 119.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:41,158 INFO L168 Benchmark]: RCFGBuilder took 567.46 ms. Allocated memory is still 155.2 MB. Free memory was 119.1 MB in the beginning and 134.9 MB in the end (delta: -15.8 MB). Peak memory consumption was 17.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:41,159 INFO L168 Benchmark]: TraceAbstraction took 1939.91 ms. Allocated memory is still 155.2 MB. Free memory was 134.3 MB in the beginning and 106.4 MB in the end (delta: 27.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:41,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory was 101.5 MB in the beginning and 101.4 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 277.25 ms. Allocated memory is still 155.2 MB. Free memory was 131.0 MB in the beginning and 120.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.56 ms. Allocated memory is still 155.2 MB. Free memory was 120.9 MB in the beginning and 119.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 567.46 ms. Allocated memory is still 155.2 MB. Free memory was 119.1 MB in the beginning and 134.9 MB in the end (delta: -15.8 MB). Peak memory consumption was 17.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1939.91 ms. Allocated memory is still 155.2 MB. Free memory was 134.3 MB in the beginning and 106.4 MB in the end (delta: 27.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 69. Possible FailurePath: [L69] double x = 0.0 / 0.0; [L70] double y = 0.0 / 0.0; [L71] CALL, EXPR fmax_double(x, y) VAL [\old(x)=4294967309, \old(y)=4294967310] [L57] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=4294967309] [L29] __uint32_t msw, lsw; VAL [\old(x)=4294967309, x=4294967309] [L32] ieee_double_shape_type ew_u; [L33] ew_u.value = (x) [L34] EXPR ew_u.parts.msw [L34] (msw) = ew_u.parts.msw [L35] EXPR ew_u.parts.lsw [L35] (lsw) = ew_u.parts.lsw [L38-L39] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) VAL [\old(x)=4294967309, lsw=4294967297, msw=4293918721, x=4294967309] [L41-L42] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) VAL [\old(x)=4294967309, lsw=4294967297, msw=4293918721, x=4294967309] [L44-L45] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) VAL [\old(x)=4294967309, lsw=4294967297, msw=4293918721, x=4294967309] [L48-L49] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L52] return 0; VAL [\old(x)=4294967309, \result=0, lsw=4294967297, msw=4293918721, x=4294967309] [L57] RET, EXPR __fpclassify_double(x) VAL [\old(x)=4294967309, \old(y)=4294967310, __fpclassify_double(x)=0, x=4294967309, y=4294967310] [L57] COND TRUE __fpclassify_double(x) == 0 [L58] return y; VAL [\old(x)=4294967309, \old(y)=4294967310, \result=4294967310, x=4294967309, y=4294967310] [L71] RET, EXPR fmax_double(x, y) VAL [fmax_double(x, y)=4294967310, x=4294967309, y=4294967310] [L71] double res = fmax_double(x, y); [L73] CALL, EXPR isnan_double(res) VAL [\old(x)=4294967310] [L18] return x != x; VAL [\old(x)=4294967310, \result=0, x=4294967310] [L73] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, res=4294967310, x=4294967309, y=4294967310] [L73] COND TRUE !isnan_double(res) [L74] CALL reach_error() [L3] __assert_fail("0", "double_req_bl_1250.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 36 SDslu, 210 SDs, 0 SdLazy, 163 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 0.5s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 7243 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...