/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0970a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 00:48:45,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 00:48:45,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 00:48:45,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 00:48:45,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf [2022-01-10 00:48:45,908 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 00:48:45,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 00:48:45,909 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 00:48:45,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 00:48:45,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 00:48:45,910 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 00:48:45,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 00:48:45,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 00:48:45,910 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 00:48:45,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 00:48:45,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 00:48:45,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 00:48:45,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 00:48:45,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 00:48:45,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 00:48:45,920 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 00:48:45,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 00:48:45,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 00:48:45,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 00:48:45,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 00:48:45,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 00:48:45,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:48:45,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 00:48:45,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 00:48:45,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 00:48:45,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 00:48:45,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 00:48:45,922 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 00:48:45,923 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 00:48:45,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 00:48:45,923 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 00:48:46,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 00:48:46,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 00:48:46,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 00:48:46,202 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 00:48:46,202 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 00:48:46,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0970a.c [2022-01-10 00:48:46,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b00f7dce/f281040e07484939a4a412107554abf3/FLAGe7b2dd94e [2022-01-10 00:48:46,669 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 00:48:46,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0970a.c [2022-01-10 00:48:46,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b00f7dce/f281040e07484939a4a412107554abf3/FLAGe7b2dd94e [2022-01-10 00:48:47,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b00f7dce/f281040e07484939a4a412107554abf3 [2022-01-10 00:48:47,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 00:48:47,047 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 00:48:47,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 00:48:47,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 00:48:47,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 00:48:47,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:48:47" (1/1) ... [2022-01-10 00:48:47,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47, skipping insertion in model container [2022-01-10 00:48:47,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:48:47" (1/1) ... [2022-01-10 00:48:47,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 00:48:47,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 00:48:47,256 WARN L230 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_0970a.c[4407,4420] [2022-01-10 00:48:47,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:48:47,283 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 00:48:47,313 WARN L230 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_0970a.c[4407,4420] [2022-01-10 00:48:47,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:48:47,326 INFO L208 MainTranslator]: Completed translation [2022-01-10 00:48:47,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47 WrapperNode [2022-01-10 00:48:47,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 00:48:47,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 00:48:47,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 00:48:47,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 00:48:47,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47" (1/1) ... [2022-01-10 00:48:47,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47" (1/1) ... [2022-01-10 00:48:47,372 INFO L137 Inliner]: procedures = 19, calls = 39, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 233 [2022-01-10 00:48:47,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 00:48:47,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 00:48:47,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 00:48:47,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 00:48:47,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47" (1/1) ... [2022-01-10 00:48:47,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47" (1/1) ... [2022-01-10 00:48:47,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47" (1/1) ... [2022-01-10 00:48:47,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47" (1/1) ... [2022-01-10 00:48:47,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47" (1/1) ... [2022-01-10 00:48:47,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47" (1/1) ... [2022-01-10 00:48:47,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47" (1/1) ... [2022-01-10 00:48:47,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 00:48:47,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 00:48:47,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 00:48:47,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 00:48:47,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47" (1/1) ... [2022-01-10 00:48:47,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:48:47,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:48:47,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 00:48:47,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 00:48:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 00:48:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 00:48:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 00:48:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-10 00:48:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-10 00:48:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-10 00:48:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 00:48:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 00:48:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-10 00:48:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 00:48:47,591 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 00:48:47,593 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 00:48:47,986 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 00:48:47,991 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 00:48:47,992 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-01-10 00:48:47,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:48:47 BoogieIcfgContainer [2022-01-10 00:48:47,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 00:48:47,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 00:48:47,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 00:48:48,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 00:48:48,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:48:47" (1/3) ... [2022-01-10 00:48:48,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560075cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:48:48, skipping insertion in model container [2022-01-10 00:48:48,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:48:47" (2/3) ... [2022-01-10 00:48:48,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560075cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:48:48, skipping insertion in model container [2022-01-10 00:48:48,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:48:47" (3/3) ... [2022-01-10 00:48:48,005 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a.c [2022-01-10 00:48:48,009 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 00:48:48,010 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 00:48:48,060 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 00:48:48,067 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 00:48:48,067 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 00:48:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 50 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:48:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 00:48:48,093 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:48:48,094 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:48:48,095 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:48:48,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:48:48,099 INFO L85 PathProgramCache]: Analyzing trace with hash 629078660, now seen corresponding path program 1 times [2022-01-10 00:48:48,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:48:48,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221420320] [2022-01-10 00:48:48,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:48:48,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:48:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:48:48,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:48:48,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:48:48,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221420320] [2022-01-10 00:48:48,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221420320] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:48:48,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:48:48,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:48:48,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877935519] [2022-01-10 00:48:48,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:48:48,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 00:48:48,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:48:48,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 00:48:48,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 00:48:48,302 INFO L87 Difference]: Start difference. First operand has 51 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 50 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:48:48,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:48:48,332 INFO L93 Difference]: Finished difference Result 99 states and 160 transitions. [2022-01-10 00:48:48,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 00:48:48,334 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-01-10 00:48:48,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:48:48,342 INFO L225 Difference]: With dead ends: 99 [2022-01-10 00:48:48,342 INFO L226 Difference]: Without dead ends: 47 [2022-01-10 00:48:48,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 00:48:48,348 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 00:48:48,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 00:48:48,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-01-10 00:48:48,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-01-10 00:48:48,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:48:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2022-01-10 00:48:48,378 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 11 [2022-01-10 00:48:48,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:48:48,380 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2022-01-10 00:48:48,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:48:48,380 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2022-01-10 00:48:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-01-10 00:48:48,381 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:48:48,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:48:48,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 00:48:48,382 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:48:48,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:48:48,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1648732847, now seen corresponding path program 1 times [2022-01-10 00:48:48,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:48:48,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204435490] [2022-01-10 00:48:48,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:48:48,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:48:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:48:48,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:48:48,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:48:48,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204435490] [2022-01-10 00:48:48,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204435490] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:48:48,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:48:48,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:48:48,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320595527] [2022-01-10 00:48:48,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:48:48,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:48:48,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:48:48,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:48:48,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:48:48,466 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:48:48,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:48:48,488 INFO L93 Difference]: Finished difference Result 87 states and 116 transitions. [2022-01-10 00:48:48,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:48:48,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-01-10 00:48:48,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:48:48,491 INFO L225 Difference]: With dead ends: 87 [2022-01-10 00:48:48,491 INFO L226 Difference]: Without dead ends: 47 [2022-01-10 00:48:48,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:48:48,496 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 00:48:48,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 00:48:48,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-01-10 00:48:48,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-01-10 00:48:48,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:48:48,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2022-01-10 00:48:48,505 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 12 [2022-01-10 00:48:48,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:48:48,506 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2022-01-10 00:48:48,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:48:48,506 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-01-10 00:48:48,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-10 00:48:48,506 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:48:48,507 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:48:48,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 00:48:48,507 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:48:48,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:48:48,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1229314972, now seen corresponding path program 1 times [2022-01-10 00:48:48,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:48:48,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320935384] [2022-01-10 00:48:48,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:48:48,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:48:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 00:48:48,584 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 00:48:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 00:48:48,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 00:48:48,655 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 00:48:48,656 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 00:48:48,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 00:48:48,661 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-10 00:48:48,663 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 00:48:48,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:48:48 BoogieIcfgContainer [2022-01-10 00:48:48,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 00:48:48,697 INFO L158 Benchmark]: Toolchain (without parser) took 1649.67ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 118.0MB in the beginning and 152.1MB in the end (delta: -34.0MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-01-10 00:48:48,697 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 174.1MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 00:48:48,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.61ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 117.9MB in the beginning and 208.7MB in the end (delta: -90.8MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-01-10 00:48:48,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.12ms. Allocated memory is still 237.0MB. Free memory was 208.2MB in the beginning and 206.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 00:48:48,699 INFO L158 Benchmark]: Boogie Preprocessor took 41.56ms. Allocated memory is still 237.0MB. Free memory was 206.1MB in the beginning and 204.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 00:48:48,699 INFO L158 Benchmark]: RCFGBuilder took 577.81ms. Allocated memory is still 237.0MB. Free memory was 204.0MB in the beginning and 187.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 00:48:48,700 INFO L158 Benchmark]: TraceAbstraction took 701.65ms. Allocated memory is still 237.0MB. Free memory was 186.7MB in the beginning and 152.1MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2022-01-10 00:48:48,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 174.1MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 278.61ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 117.9MB in the beginning and 208.7MB in the end (delta: -90.8MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.12ms. Allocated memory is still 237.0MB. Free memory was 208.2MB in the beginning and 206.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.56ms. Allocated memory is still 237.0MB. Free memory was 206.1MB in the beginning and 204.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 577.81ms. Allocated memory is still 237.0MB. Free memory was 204.0MB in the beginning and 187.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 701.65ms. Allocated memory is still 237.0MB. Free memory was 186.7MB in the beginning and 152.1MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 176]: 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 147, overapproximation of bitwiseAnd at line 118, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L14-L18] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L20] static const float zero_log = 0.0; [L100-L103] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L105] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L168] float x = __VERIFIER_nondet_float(); [L170] x < 0 && isfinite_float(x) [L170] CALL, EXPR isfinite_float(x) [L151] __int32_t ix; VAL [\old(x)=4294967296, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=4294967296, zero=0, zero_log=0] [L153] ieee_float_shape_type gf_u; [L154] gf_u.value = (x) [L155] EXPR gf_u.word [L155] (ix) = gf_u.word [L157] ix &= 0x7fffffff [L158] return (((ix) < 0x7f800000L)); VAL [\old(x)=4294967296, \result=1, ivln10_log10=43429449201/100000000000, ix=2139095039, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=4294967296, zero=0, zero_log=0] [L170] RET, EXPR isfinite_float(x) [L170] x < 0 && isfinite_float(x) VAL [isfinite_float(x)=1, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=4294967296, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L170] COND TRUE x < 0 && isfinite_float(x) [L172] CALL, EXPR __ieee754_log10f(x) [L108] float y, z; [L109] __int32_t i, k, hx; VAL [\old(x)=4294967296, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=4294967296, zero=0, zero_log=0] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L117] k = 0 VAL [\old(x)=4294967296, hx=-1, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=4294967296, zero=0, zero_log=0] [L118] COND TRUE ((hx & 0x7fffffff) == 0) [L119] return -two25_log10 / zero; VAL [\old(x)=4294967296, hx=-1, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=4294967296, zero=0, zero_log=0] [L172] RET, EXPR __ieee754_log10f(x) [L172] float res = __ieee754_log10f(x); [L175] CALL, EXPR isnan_float(res) [L147] return x != x; VAL [\old(x)=4294967297, \result=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=4294967297, zero=0, zero_log=0] [L175] RET, EXPR isnan_float(res) [L175] COND TRUE !isnan_float(res) [L176] reach_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=4294967297, two25_log=33554432, two25_log10=33554432, x=4294967296, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 129 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 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 [2022-01-10 00:48:48,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...