/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1091.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:03:56,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:03:56,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:03:56,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:03:56,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:03:56,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:03:56,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:03:56,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:03:56,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:03:56,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:03:56,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:03:56,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:03:56,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:03:56,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:03:56,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:03:56,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:03:56,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:03:56,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:03:56,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:03:56,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:03:56,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:03:56,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:03:56,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:03:56,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:03:56,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 22:03:56,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 22:03:56,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 22:03:56,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 22:03:56,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 22:03:56,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 22:03:56,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 22:03:56,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 22:03:56,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 22:03:56,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 22:03:56,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 22:03:56,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 22:03:56,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 22:03:56,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 22:03:56,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:03:56,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:03:56,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:03:56,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 22:03:56,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:03:56,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:03:56,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:03:56,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:03:56,235 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:03:56,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:03:56,236 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:03:56,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:03:56,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:03:56,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:03:56,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:03:56,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:03:56,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:03:56,237 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:03:56,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:03:56,238 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:03:56,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:03:56,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:03:56,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:03:56,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:03:56,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:03:56,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:03:56,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:03:56,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:03:56,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:03:56,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:03:56,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:03:56,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:03:56,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:03:56,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:03:56,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:03:56,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:03:56,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:03:56,515 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:03:56,515 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:03:56,516 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1091.c [2020-07-17 22:03:56,595 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d31f184/e173c03a040f496ca940623147855347/FLAGfda0344e5 [2020-07-17 22:03:57,074 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:03:57,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1091.c [2020-07-17 22:03:57,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d31f184/e173c03a040f496ca940623147855347/FLAGfda0344e5 [2020-07-17 22:03:57,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d31f184/e173c03a040f496ca940623147855347 [2020-07-17 22:03:57,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:03:57,438 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:03:57,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:03:57,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:03:57,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:03:57,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:03:57" (1/1) ... [2020-07-17 22:03:57,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11172314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:57, skipping insertion in model container [2020-07-17 22:03:57,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:03:57" (1/1) ... [2020-07-17 22:03:57,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:03:57,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:03:57,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:03:57,680 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:03:57,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:03:57,825 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:03:57,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:57 WrapperNode [2020-07-17 22:03:57,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:03:57,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:03:57,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:03:57,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:03:57,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:57" (1/1) ... [2020-07-17 22:03:57,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:57" (1/1) ... [2020-07-17 22:03:57,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:57" (1/1) ... [2020-07-17 22:03:57,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:57" (1/1) ... [2020-07-17 22:03:57,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:57" (1/1) ... [2020-07-17 22:03:57,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:57" (1/1) ... [2020-07-17 22:03:57,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:57" (1/1) ... [2020-07-17 22:03:57,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:03:57,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:03:57,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:03:57,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:03:57,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:03:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:03:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:03:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-17 22:03:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2020-07-17 22:03:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:03:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:03:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-17 22:03:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2020-07-17 22:03:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:03:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 22:03:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:03:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:03:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:03:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 22:03:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:03:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:03:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:03:58,489 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:03:58,489 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-17 22:03:58,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:03:58 BoogieIcfgContainer [2020-07-17 22:03:58,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:03:58,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:03:58,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:03:58,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:03:58,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:03:57" (1/3) ... [2020-07-17 22:03:58,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24768985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:03:58, skipping insertion in model container [2020-07-17 22:03:58,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:57" (2/3) ... [2020-07-17 22:03:58,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24768985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:03:58, skipping insertion in model container [2020-07-17 22:03:58,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:03:58" (3/3) ... [2020-07-17 22:03:58,502 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1091.c [2020-07-17 22:03:58,512 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:03:58,520 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:03:58,535 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:03:58,557 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:03:58,557 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:03:58,558 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:03:58,558 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:03:58,558 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:03:58,558 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:03:58,558 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:03:58,558 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:03:58,576 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-07-17 22:03:58,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-17 22:03:58,583 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:03:58,583 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] [2020-07-17 22:03:58,584 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:03:58,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:03:58,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1881433434, now seen corresponding path program 1 times [2020-07-17 22:03:58,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:03:58,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209973797] [2020-07-17 22:03:58,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:03:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:03:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:03:58,843 INFO L280 TraceCheckUtils]: 0: Hoare triple {66#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~huge_ceil~0 := 1.0E300; {50#true} is VALID [2020-07-17 22:03:58,843 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#true} assume true; {50#true} is VALID [2020-07-17 22:03:58,844 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {50#true} {50#true} #129#return; {50#true} is VALID [2020-07-17 22:03:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:03:58,891 INFO L280 TraceCheckUtils]: 0: Hoare triple {67#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~i0~0;havoc ~i1~0;havoc ~j0~0;havoc ~i~0;havoc ~j~0; {50#true} is VALID [2020-07-17 22:03:58,893 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#true} assume !true; {51#false} is VALID [2020-07-17 22:03:58,893 INFO L280 TraceCheckUtils]: 2: Hoare triple {51#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {51#false} is VALID [2020-07-17 22:03:58,894 INFO L280 TraceCheckUtils]: 3: Hoare triple {51#false} assume ~j0~0 < 20; {51#false} is VALID [2020-07-17 22:03:58,894 INFO L280 TraceCheckUtils]: 4: Hoare triple {51#false} assume !(~j0~0 < 0);~i~0 := ~shiftRight(1048575, ~j0~0); {51#false} is VALID [2020-07-17 22:03:58,895 INFO L280 TraceCheckUtils]: 5: Hoare triple {51#false} assume 0 == ~bitwiseOr(~bitwiseAnd(~i0~0, ~i~0), ~i1~0) % 4294967296;#res := ~x; {51#false} is VALID [2020-07-17 22:03:58,895 INFO L280 TraceCheckUtils]: 6: Hoare triple {51#false} assume true; {51#false} is VALID [2020-07-17 22:03:58,896 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {51#false} {50#true} #133#return; {51#false} is VALID [2020-07-17 22:03:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:03:58,907 INFO L280 TraceCheckUtils]: 0: Hoare triple {50#true} ~x := #in~x;#res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {50#true} is VALID [2020-07-17 22:03:58,908 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#true} assume true; {50#true} is VALID [2020-07-17 22:03:58,908 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {50#true} {51#false} #135#return; {51#false} is VALID [2020-07-17 22:03:58,910 INFO L263 TraceCheckUtils]: 0: Hoare triple {50#true} call ULTIMATE.init(); {66#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} is VALID [2020-07-17 22:03:58,911 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~huge_ceil~0 := 1.0E300; {50#true} is VALID [2020-07-17 22:03:58,911 INFO L280 TraceCheckUtils]: 2: Hoare triple {50#true} assume true; {50#true} is VALID [2020-07-17 22:03:58,911 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {50#true} {50#true} #129#return; {50#true} is VALID [2020-07-17 22:03:58,912 INFO L263 TraceCheckUtils]: 4: Hoare triple {50#true} call #t~ret8 := main(); {50#true} is VALID [2020-07-17 22:03:58,912 INFO L280 TraceCheckUtils]: 5: Hoare triple {50#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); {50#true} is VALID [2020-07-17 22:03:58,914 INFO L263 TraceCheckUtils]: 6: Hoare triple {50#true} call #t~ret6 := ceil_double(~x~0); {67#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:03:58,914 INFO L280 TraceCheckUtils]: 7: Hoare triple {67#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~i0~0;havoc ~i1~0;havoc ~j0~0;havoc ~i~0;havoc ~j~0; {50#true} is VALID [2020-07-17 22:03:58,916 INFO L280 TraceCheckUtils]: 8: Hoare triple {50#true} assume !true; {51#false} is VALID [2020-07-17 22:03:58,916 INFO L280 TraceCheckUtils]: 9: Hoare triple {51#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {51#false} is VALID [2020-07-17 22:03:58,916 INFO L280 TraceCheckUtils]: 10: Hoare triple {51#false} assume ~j0~0 < 20; {51#false} is VALID [2020-07-17 22:03:58,917 INFO L280 TraceCheckUtils]: 11: Hoare triple {51#false} assume !(~j0~0 < 0);~i~0 := ~shiftRight(1048575, ~j0~0); {51#false} is VALID [2020-07-17 22:03:58,917 INFO L280 TraceCheckUtils]: 12: Hoare triple {51#false} assume 0 == ~bitwiseOr(~bitwiseAnd(~i0~0, ~i~0), ~i1~0) % 4294967296;#res := ~x; {51#false} is VALID [2020-07-17 22:03:58,918 INFO L280 TraceCheckUtils]: 13: Hoare triple {51#false} assume true; {51#false} is VALID [2020-07-17 22:03:58,918 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {51#false} {50#true} #133#return; {51#false} is VALID [2020-07-17 22:03:58,918 INFO L280 TraceCheckUtils]: 15: Hoare triple {51#false} ~res~0 := #t~ret6;havoc #t~ret6; {51#false} is VALID [2020-07-17 22:03:58,919 INFO L263 TraceCheckUtils]: 16: Hoare triple {51#false} call #t~ret7 := isnan_double(~res~0); {50#true} is VALID [2020-07-17 22:03:58,919 INFO L280 TraceCheckUtils]: 17: Hoare triple {50#true} ~x := #in~x;#res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {50#true} is VALID [2020-07-17 22:03:58,919 INFO L280 TraceCheckUtils]: 18: Hoare triple {50#true} assume true; {50#true} is VALID [2020-07-17 22:03:58,919 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {50#true} {51#false} #135#return; {51#false} is VALID [2020-07-17 22:03:58,920 INFO L280 TraceCheckUtils]: 20: Hoare triple {51#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {51#false} is VALID [2020-07-17 22:03:58,920 INFO L280 TraceCheckUtils]: 21: Hoare triple {51#false} assume 0 == #t~ret7;havoc #t~ret7; {51#false} is VALID [2020-07-17 22:03:58,921 INFO L280 TraceCheckUtils]: 22: Hoare triple {51#false} assume !false; {51#false} is VALID [2020-07-17 22:03:58,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:03:58,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209973797] [2020-07-17 22:03:58,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:03:58,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:03:58,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711412087] [2020-07-17 22:03:58,932 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-17 22:03:58,935 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:03:58,939 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:03:58,994 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:03:58,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:03:58,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:03:59,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:03:59,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:03:59,008 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 4 states. [2020-07-17 22:03:59,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:03:59,491 INFO L93 Difference]: Finished difference Result 86 states and 124 transitions. [2020-07-17 22:03:59,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 22:03:59,492 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-17 22:03:59,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:03:59,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:03:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 124 transitions. [2020-07-17 22:03:59,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:03:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 124 transitions. [2020-07-17 22:03:59,518 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 124 transitions. [2020-07-17 22:03:59,695 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:03:59,709 INFO L225 Difference]: With dead ends: 86 [2020-07-17 22:03:59,710 INFO L226 Difference]: Without dead ends: 43 [2020-07-17 22:03:59,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:03:59,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-07-17 22:03:59,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-07-17 22:03:59,779 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:03:59,780 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 43 states. [2020-07-17 22:03:59,780 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2020-07-17 22:03:59,781 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2020-07-17 22:03:59,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:03:59,787 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2020-07-17 22:03:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2020-07-17 22:03:59,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:03:59,788 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:03:59,788 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2020-07-17 22:03:59,788 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2020-07-17 22:03:59,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:03:59,794 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2020-07-17 22:03:59,794 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2020-07-17 22:03:59,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:03:59,795 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:03:59,795 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:03:59,796 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:03:59,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-17 22:03:59,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2020-07-17 22:03:59,801 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 23 [2020-07-17 22:03:59,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:03:59,802 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2020-07-17 22:03:59,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:03:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2020-07-17 22:03:59,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-17 22:03:59,804 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:03:59,804 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] [2020-07-17 22:03:59,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:03:59,805 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:03:59,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:03:59,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1135906069, now seen corresponding path program 1 times [2020-07-17 22:03:59,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:03:59,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675658981] [2020-07-17 22:03:59,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:03:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:03:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:04:00,026 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:04:00,027 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:04:00,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:04:00,082 WARN L170 areAnnotationChecker]: isnan_doubleENTRY has no Hoare annotation [2020-07-17 22:04:00,082 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 22:04:00,082 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:04:00,082 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:04:00,082 WARN L170 areAnnotationChecker]: ceil_doubleENTRY has no Hoare annotation [2020-07-17 22:04:00,083 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:04:00,083 WARN L170 areAnnotationChecker]: isnan_doubleFINAL has no Hoare annotation [2020-07-17 22:04:00,083 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:04:00,083 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:04:00,083 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:04:00,083 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-17 22:04:00,083 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-17 22:04:00,084 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-17 22:04:00,084 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-17 22:04:00,084 WARN L170 areAnnotationChecker]: isnan_doubleEXIT has no Hoare annotation [2020-07-17 22:04:00,084 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:04:00,084 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:04:00,084 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-17 22:04:00,084 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-17 22:04:00,085 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-17 22:04:00,085 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-17 22:04:00,085 WARN L170 areAnnotationChecker]: L94-1 has no Hoare annotation [2020-07-17 22:04:00,085 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-17 22:04:00,085 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-17 22:04:00,085 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-17 22:04:00,085 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-17 22:04:00,085 WARN L170 areAnnotationChecker]: L94-2 has no Hoare annotation [2020-07-17 22:04:00,087 WARN L170 areAnnotationChecker]: L94-2 has no Hoare annotation [2020-07-17 22:04:00,087 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-17 22:04:00,087 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-17 22:04:00,087 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-17 22:04:00,087 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-17 22:04:00,088 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-17 22:04:00,088 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-17 22:04:00,088 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:04:00,088 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-17 22:04:00,088 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-17 22:04:00,088 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-17 22:04:00,088 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-17 22:04:00,089 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-17 22:04:00,089 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-17 22:04:00,089 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-17 22:04:00,089 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-17 22:04:00,090 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:04:00,090 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-17 22:04:00,090 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-17 22:04:00,090 WARN L170 areAnnotationChecker]: L74-1 has no Hoare annotation [2020-07-17 22:04:00,090 WARN L170 areAnnotationChecker]: L74-1 has no Hoare annotation [2020-07-17 22:04:00,092 WARN L170 areAnnotationChecker]: ceil_doubleFINAL has no Hoare annotation [2020-07-17 22:04:00,092 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-17 22:04:00,092 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-17 22:04:00,092 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-17 22:04:00,092 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-17 22:04:00,092 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-17 22:04:00,093 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-17 22:04:00,093 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-17 22:04:00,093 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-17 22:04:00,093 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2020-07-17 22:04:00,093 WARN L170 areAnnotationChecker]: ceil_doubleEXIT has no Hoare annotation [2020-07-17 22:04:00,093 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-17 22:04:00,093 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-17 22:04:00,094 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-17 22:04:00,094 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-17 22:04:00,094 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-17 22:04:00,094 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2020-07-17 22:04:00,094 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2020-07-17 22:04:00,094 WARN L170 areAnnotationChecker]: L61-1 has no Hoare annotation [2020-07-17 22:04:00,094 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-17 22:04:00,095 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-17 22:04:00,095 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-17 22:04:00,095 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 22:04:00,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:04:00 BoogieIcfgContainer [2020-07-17 22:04:00,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:04:00,105 INFO L168 Benchmark]: Toolchain (without parser) took 2664.89 ms. Allocated memory was 138.4 MB in the beginning and 235.4 MB in the end (delta: 97.0 MB). Free memory was 101.6 MB in the beginning and 118.0 MB in the end (delta: -16.3 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:00,107 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:04:00,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.90 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 180.6 MB in the end (delta: -79.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:00,109 INFO L168 Benchmark]: Boogie Preprocessor took 54.75 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 177.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:00,110 INFO L168 Benchmark]: RCFGBuilder took 611.64 ms. Allocated memory is still 202.4 MB. Free memory was 177.9 MB in the beginning and 142.5 MB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:00,111 INFO L168 Benchmark]: TraceAbstraction took 1605.30 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 141.9 MB in the beginning and 118.0 MB in the end (delta: 23.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:00,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 386.90 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 180.6 MB in the end (delta: -79.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.75 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 177.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 611.64 ms. Allocated memory is still 202.4 MB. Free memory was 177.9 MB in the beginning and 142.5 MB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1605.30 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 141.9 MB in the beginning and 118.0 MB in the end (delta: 23.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 95]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 41, overapproximation of bitwiseOr at line 42, overapproximation of someBinaryArithmeticDOUBLEoperation at line 90, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [\old(huge_ceil)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L90] double x = 0.0 / 0.0; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] CALL, EXPR ceil_double(x) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-1, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L29] COND TRUE j0 < 20 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-1, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L30] COND FALSE !(j0 < 0) [L41] i = (0x000fffff) >> j0 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-1, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L42] COND TRUE ((i0 & i) | i1) == 0 [L43] return x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, \result=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-1, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L91] RET, EXPR ceil_double(x) VAL [ceil_double(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L91] double res = ceil_double(x); [L94] CALL, EXPR isnan_double(res) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L15] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, \result=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L94] RET, EXPR isnan_double(res) VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L94] COND TRUE !isnan_double(res) [L95] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 56 SDtfs, 52 SDslu, 5 SDs, 0 SdLazy, 58 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1012 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...