/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/float_req_bl_1211b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:13:27,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:13:27,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:13:27,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:13:27,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:13:27,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:13:27,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:13:27,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:13:27,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:13:27,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:13:27,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:13:27,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:13:27,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:13:27,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:13:27,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:13:27,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:13:27,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:13:27,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:13:27,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:13:27,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:13:27,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:13:27,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:13:27,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:13:27,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:13:27,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 13:13:27,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:13:27,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:13:27,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:13:27,848 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 [2021-02-23 13:13:27,888 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:13:27,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:13:27,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:13:27,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:13:27,890 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:13:27,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:13:27,890 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:13:27,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:13:27,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:13:27,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:13:27,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:13:27,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:13:27,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:13:27,892 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:13:27,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:13:27,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:13:27,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:13:27,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:13:27,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:13:27,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:13:27,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:13:27,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:13:27,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:13:27,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:13:27,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:13:27,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:13:27,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:13:27,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:13:27,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:13:28,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:13:28,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:13:28,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:13:28,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:13:28,256 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:13:28,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1211b.c [2021-02-23 13:13:28,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21986e51/45388d491a5a4458afaae78fbb658cdd/FLAG392bdae2f [2021-02-23 13:13:28,900 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:13:28,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1211b.c [2021-02-23 13:13:28,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21986e51/45388d491a5a4458afaae78fbb658cdd/FLAG392bdae2f [2021-02-23 13:13:29,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21986e51/45388d491a5a4458afaae78fbb658cdd [2021-02-23 13:13:29,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:13:29,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:13:29,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:13:29,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:13:29,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:13:29,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:13:29" (1/1) ... [2021-02-23 13:13:29,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ea05eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:29, skipping insertion in model container [2021-02-23 13:13:29,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:13:29" (1/1) ... [2021-02-23 13:13:29,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:13:29,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:13:29,578 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1211b.c[2579,2592] [2021-02-23 13:13:29,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:13:29,590 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:13:29,623 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1211b.c[2579,2592] [2021-02-23 13:13:29,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:13:29,641 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:13:29,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:29 WrapperNode [2021-02-23 13:13:29,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:13:29,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:13:29,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:13:29,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:13:29,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:29" (1/1) ... [2021-02-23 13:13:29,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:29" (1/1) ... [2021-02-23 13:13:29,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:29" (1/1) ... [2021-02-23 13:13:29,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:29" (1/1) ... [2021-02-23 13:13:29,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:29" (1/1) ... [2021-02-23 13:13:29,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:29" (1/1) ... [2021-02-23 13:13:29,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:29" (1/1) ... [2021-02-23 13:13:29,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:13:29,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:13:29,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:13:29,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:13:29,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:29" (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 [2021-02-23 13:13:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:13:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:13:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:13:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2021-02-23 13:13:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2021-02-23 13:13:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2021-02-23 13:13:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:13:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:13:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:13:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:13:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:13:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2021-02-23 13:13:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2021-02-23 13:13:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-23 13:13:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:13:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:13:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:13:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-23 13:13:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2021-02-23 13:13:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2021-02-23 13:13:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:13:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-02-23 13:13:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:13:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:13:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:13:30,382 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:13:30,382 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-02-23 13:13:30,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:13:30 BoogieIcfgContainer [2021-02-23 13:13:30,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:13:30,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:13:30,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:13:30,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:13:30,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:13:29" (1/3) ... [2021-02-23 13:13:30,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639475db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:13:30, skipping insertion in model container [2021-02-23 13:13:30,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:13:29" (2/3) ... [2021-02-23 13:13:30,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639475db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:13:30, skipping insertion in model container [2021-02-23 13:13:30,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:13:30" (3/3) ... [2021-02-23 13:13:30,393 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211b.c [2021-02-23 13:13:30,400 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:13:30,405 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:13:30,424 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:13:30,450 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:13:30,451 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:13:30,451 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:13:30,451 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:13:30,451 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:13:30,451 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:13:30,452 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:13:30,452 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:13:30,468 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2021-02-23 13:13:30,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-23 13:13:30,474 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:13:30,475 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] [2021-02-23 13:13:30,475 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:13:30,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:13:30,482 INFO L82 PathProgramCache]: Analyzing trace with hash 372092038, now seen corresponding path program 1 times [2021-02-23 13:13:30,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:13:30,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598147219] [2021-02-23 13:13:30,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:13:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:30,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:30,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:30,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:30,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:30,809 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-02-23 13:13:30,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:13:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:30,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:30,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:30,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:13:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:30,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:30,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:30,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:30,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:30,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-02-23 13:13:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:30,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:30,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:30,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:30,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:13:30,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598147219] [2021-02-23 13:13:30,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:13:30,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:13:30,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876003737] [2021-02-23 13:13:30,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:13:30,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:13:30,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:13:30,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:13:30,905 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 4 states. [2021-02-23 13:13:31,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:13:31,206 INFO L93 Difference]: Finished difference Result 110 states and 158 transitions. [2021-02-23 13:13:31,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 13:13:31,209 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2021-02-23 13:13:31,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:13:31,218 INFO L225 Difference]: With dead ends: 110 [2021-02-23 13:13:31,219 INFO L226 Difference]: Without dead ends: 55 [2021-02-23 13:13:31,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:13:31,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-02-23 13:13:31,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-02-23 13:13:31,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-02-23 13:13:31,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2021-02-23 13:13:31,274 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 27 [2021-02-23 13:13:31,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:13:31,274 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2021-02-23 13:13:31,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:13:31,275 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2021-02-23 13:13:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-23 13:13:31,276 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:13:31,276 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] [2021-02-23 13:13:31,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:13:31,277 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:13:31,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:13:31,278 INFO L82 PathProgramCache]: Analyzing trace with hash 582412726, now seen corresponding path program 1 times [2021-02-23 13:13:31,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:13:31,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356042656] [2021-02-23 13:13:31,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:13:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:31,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:31,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:31,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:31,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-02-23 13:13:31,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:31,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:31,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:13:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:31,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:31,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:31,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:13:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:31,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:31,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:31,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 13:13:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:13:31,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:13:31,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:13:31,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:13:31,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356042656] [2021-02-23 13:13:31,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:13:31,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 13:13:31,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912930755] [2021-02-23 13:13:31,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 13:13:31,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:13:31,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 13:13:31,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:13:31,504 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 5 states. [2021-02-23 13:13:31,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:13:31,764 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2021-02-23 13:13:31,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:13:31,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-02-23 13:13:31,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:13:31,767 INFO L225 Difference]: With dead ends: 58 [2021-02-23 13:13:31,767 INFO L226 Difference]: Without dead ends: 55 [2021-02-23 13:13:31,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:13:31,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-02-23 13:13:31,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-02-23 13:13:31,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-02-23 13:13:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2021-02-23 13:13:31,780 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 30 [2021-02-23 13:13:31,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:13:31,781 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2021-02-23 13:13:31,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 13:13:31,781 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2021-02-23 13:13:31,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-23 13:13:31,782 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:13:31,783 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:13:31,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:13:31,783 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:13:31,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:13:31,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1342478189, now seen corresponding path program 1 times [2021-02-23 13:13:31,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:13:31,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325752751] [2021-02-23 13:13:31,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:13:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:13:31,901 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:13:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:13:31,988 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:13:32,040 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-23 13:13:32,041 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 13:13:32,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 13:13:32,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:13:32 BoogieIcfgContainer [2021-02-23 13:13:32,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:13:32,126 INFO L168 Benchmark]: Toolchain (without parser) took 2822.89 ms. Allocated memory was 160.4 MB in the beginning and 202.4 MB in the end (delta: 41.9 MB). Free memory was 135.9 MB in the beginning and 174.2 MB in the end (delta: -38.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 8.0 GB. [2021-02-23 13:13:32,127 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 160.4 MB. Free memory is still 135.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:13:32,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.51 ms. Allocated memory is still 160.4 MB. Free memory was 134.6 MB in the beginning and 123.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-23 13:13:32,132 INFO L168 Benchmark]: Boogie Preprocessor took 56.72 ms. Allocated memory is still 160.4 MB. Free memory was 123.5 MB in the beginning and 121.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:13:32,133 INFO L168 Benchmark]: RCFGBuilder took 683.88 ms. Allocated memory is still 160.4 MB. Free memory was 121.4 MB in the beginning and 94.5 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-02-23 13:13:32,136 INFO L168 Benchmark]: TraceAbstraction took 1735.60 ms. Allocated memory was 160.4 MB in the beginning and 202.4 MB in the end (delta: 41.9 MB). Free memory was 94.1 MB in the beginning and 174.2 MB in the end (delta: -80.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:13:32,141 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 160.4 MB. Free memory is still 135.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 322.51 ms. Allocated memory is still 160.4 MB. Free memory was 134.6 MB in the beginning and 123.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 56.72 ms. Allocated memory is still 160.4 MB. Free memory was 123.5 MB in the beginning and 121.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 683.88 ms. Allocated memory is still 160.4 MB. Free memory was 121.4 MB in the beginning and 94.5 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1735.60 ms. Allocated memory was 160.4 MB in the beginning and 202.4 MB in the end (delta: 41.9 MB). Free memory was 94.1 MB in the beginning and 174.2 MB in the end (delta: -80.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 112]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 106, overapproximation of bitwiseAnd at line 95. Possible FailurePath: [L14] static const float one_modf = 1.0; VAL [\old(one_modf)=8589934598, one_modf=1] [L106] float x = -1.0f / 0.0f; [L107] float iptr = __VERIFIER_nondet_float(); [L108] CALL, EXPR modf_float(x, &iptr) VAL [\old(x)=8589934595, iptr={8:0}, one_modf=1] [L17] __int32_t i0, j0; [L18] __uint32_t i; VAL [\old(x)=8589934595, iptr={8:0}, iptr={8:0}, one_modf=1, x=8589934595] [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (x) [L22] EXPR gf_u.word [L22] (i0) = gf_u.word [L24] j0 = ((i0 >> 23) & 0xff) - 0x7f VAL [\old(x)=8589934595, i0=-2, iptr={8:0}, iptr={8:0}, one_modf=1, x=8589934595] [L25] COND TRUE j0 < 23 VAL [\old(x)=8589934595, i0=-2, iptr={8:0}, iptr={8:0}, j0=-1, one_modf=1, x=8589934595] [L26] COND TRUE j0 < 0 VAL [\old(x)=8589934595, i0=-2, iptr={8:0}, iptr={8:0}, j0=-1, one_modf=1, x=8589934595] [L28] ieee_float_shape_type sf_u; [L29] sf_u.word = (i0 & 0x80000000) [L30] EXPR sf_u.value [L30] (*iptr) = sf_u.value [L32] return x; VAL [\old(x)=8589934595, \result=8589934595, i0=-2, iptr={8:0}, iptr={8:0}, j0=-1, one_modf=1, x=8589934595] [L108] RET, EXPR modf_float(x, &iptr) VAL [iptr={8:0}, modf_float(x, &iptr)=8589934595, one_modf=1, x=8589934595] [L108] float res = modf_float(x, &iptr); [L111] EXPR \read(iptr) VAL [\read(iptr)=8589934604, iptr={8:0}, one_modf=1, res=8589934595, x=8589934595] [L111] CALL, EXPR isinf_float(iptr) VAL [\old(x)=8589934604, one_modf=1] [L89] __int32_t ix; VAL [\old(x)=8589934604, one_modf=1, x=8589934604] [L91] ieee_float_shape_type gf_u; [L92] gf_u.value = (x) [L93] EXPR gf_u.word [L93] (ix) = gf_u.word [L95] ix &= 0x7fffffff [L96] return ((ix) == 0x7f800000L); VAL [\old(x)=8589934604, \result=1, ix=2139095040, one_modf=1, x=8589934604] [L111] RET, EXPR isinf_float(iptr) VAL [\read(iptr)=8589934604, iptr={8:0}, isinf_float(iptr)=1, one_modf=1, res=8589934595, x=8589934595] [L111] isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1) [L111] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [\read(iptr)=8589934604, iptr={8:0}, isinf_float(iptr)=1, isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1)=1, one_modf=1, res=8589934595, res == -0.0f && __signbit_float(res) == 1=0, x=8589934595] [L111] isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1) VAL [\read(iptr)=8589934604, iptr={8:0}, isinf_float(iptr)=1, isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1)=1, one_modf=1, res=8589934595, res == -0.0f && __signbit_float(res) == 1=0, x=8589934595] [L111] COND TRUE isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1) [L112] reach_error() VAL [iptr={8:0}, one_modf=1, res=8589934595, x=8589934595] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 112 SDtfs, 12 SDslu, 133 SDs, 0 SdLazy, 147 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 4681 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...