/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:13:22,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:13:22,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:13:22,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:13:22,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:13:22,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:13:22,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:13:22,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:13:22,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:13:22,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:13:22,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:13:22,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:13:22,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:13:22,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:13:22,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:13:22,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:13:22,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:13:22,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:13:22,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:13:22,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:13:22,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:13:22,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:13:22,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:13:22,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:13:22,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:13:22,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:13:22,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:13:22,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:13:22,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:13:22,637 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:13:22,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:13:22,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:13:22,639 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:13:22,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:13:22,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:13:22,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:13:22,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:13:22,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:13:22,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:13:22,640 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:13:22,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:13:22,640 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:13:22,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:13:22,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:13:22,641 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:13:22,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:13:22,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:13:22,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:22,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:13:22,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:13:22,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:13:22,642 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:13:22,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:13:22,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:13:22,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:13:22,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:13:22,963 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:13:22,964 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c [2020-07-18 00:13:23,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fa512063/49c705e8980840ebafceb27370c85720/FLAGf0572c440 [2020-07-18 00:13:23,523 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:13:23,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c [2020-07-18 00:13:23,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fa512063/49c705e8980840ebafceb27370c85720/FLAGf0572c440 [2020-07-18 00:13:23,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fa512063/49c705e8980840ebafceb27370c85720 [2020-07-18 00:13:23,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:13:23,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:13:23,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:23,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:13:23,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:13:23,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:23" (1/1) ... [2020-07-18 00:13:23,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@258a1e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:23, skipping insertion in model container [2020-07-18 00:13:23,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:23" (1/1) ... [2020-07-18 00:13:23,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:13:23,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:13:24,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:24,183 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:13:24,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:24,237 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:13:24,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:24 WrapperNode [2020-07-18 00:13:24,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:24,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:13:24,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:13:24,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:13:24,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:24" (1/1) ... [2020-07-18 00:13:24,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:24" (1/1) ... [2020-07-18 00:13:24,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:24" (1/1) ... [2020-07-18 00:13:24,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:24" (1/1) ... [2020-07-18 00:13:24,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:24" (1/1) ... [2020-07-18 00:13:24,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:24" (1/1) ... [2020-07-18 00:13:24,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:24" (1/1) ... [2020-07-18 00:13:24,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:13:24,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:13:24,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:13:24,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:13:24,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:24" (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 [2020-07-18 00:13:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:13:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:13:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-18 00:13:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-07-18 00:13:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2020-07-18 00:13:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-07-18 00:13:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:13:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:13:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-18 00:13:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-18 00:13:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-07-18 00:13:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:13:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 00:13:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:13:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:13:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2020-07-18 00:13:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-07-18 00:13:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:13:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:13:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:13:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 00:13:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:13:25,059 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:13:25,059 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-18 00:13:25,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:25 BoogieIcfgContainer [2020-07-18 00:13:25,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:13:25,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:13:25,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:13:25,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:13:25,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:13:23" (1/3) ... [2020-07-18 00:13:25,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbc4b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:25, skipping insertion in model container [2020-07-18 00:13:25,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:24" (2/3) ... [2020-07-18 00:13:25,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbc4b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:25, skipping insertion in model container [2020-07-18 00:13:25,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:25" (3/3) ... [2020-07-18 00:13:25,075 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1232b.c [2020-07-18 00:13:25,087 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:13:25,096 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:13:25,112 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:13:25,138 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:13:25,138 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:13:25,138 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:13:25,138 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:13:25,139 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:13:25,139 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:13:25,139 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:13:25,140 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:13:25,158 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-07-18 00:13:25,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-18 00:13:25,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:25,173 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:13:25,174 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:25,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:25,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1987914920, now seen corresponding path program 1 times [2020-07-18 00:13:25,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:25,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1730830742] [2020-07-18 00:13:25,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:25,449 INFO L280 TraceCheckUtils]: 0: Hoare triple {122#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {98#true} is VALID [2020-07-18 00:13:25,450 INFO L280 TraceCheckUtils]: 1: Hoare triple {98#true} #valid := #valid[0 := 0]; {98#true} is VALID [2020-07-18 00:13:25,450 INFO L280 TraceCheckUtils]: 2: Hoare triple {98#true} assume 0 < #StackHeapBarrier; {98#true} is VALID [2020-07-18 00:13:25,451 INFO L280 TraceCheckUtils]: 3: Hoare triple {98#true} assume true; {98#true} is VALID [2020-07-18 00:13:25,452 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {98#true} {98#true} #148#return; {98#true} is VALID [2020-07-18 00:13:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:25,505 INFO L280 TraceCheckUtils]: 0: Hoare triple {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {98#true} is VALID [2020-07-18 00:13:25,506 INFO L280 TraceCheckUtils]: 1: Hoare triple {98#true} havoc ~msw~0; {98#true} is VALID [2020-07-18 00:13:25,506 INFO L280 TraceCheckUtils]: 2: Hoare triple {98#true} havoc ~lsw~0; {98#true} is VALID [2020-07-18 00:13:25,507 INFO L280 TraceCheckUtils]: 3: Hoare triple {98#true} assume !true; {99#false} is VALID [2020-07-18 00:13:25,508 INFO L280 TraceCheckUtils]: 4: Hoare triple {99#false} assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {99#false} is VALID [2020-07-18 00:13:25,508 INFO L280 TraceCheckUtils]: 5: Hoare triple {99#false} #res := 2; {99#false} is VALID [2020-07-18 00:13:25,509 INFO L280 TraceCheckUtils]: 6: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-18 00:13:25,509 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {99#false} {98#true} #152#return; {99#false} is VALID [2020-07-18 00:13:25,510 INFO L280 TraceCheckUtils]: 0: Hoare triple {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {98#true} is VALID [2020-07-18 00:13:25,510 INFO L280 TraceCheckUtils]: 1: Hoare triple {98#true} ~y := #in~y; {98#true} is VALID [2020-07-18 00:13:25,513 INFO L263 TraceCheckUtils]: 2: Hoare triple {98#true} call #t~ret4 := __fpclassify_double(~x); {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:25,513 INFO L280 TraceCheckUtils]: 3: Hoare triple {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {98#true} is VALID [2020-07-18 00:13:25,514 INFO L280 TraceCheckUtils]: 4: Hoare triple {98#true} havoc ~msw~0; {98#true} is VALID [2020-07-18 00:13:25,514 INFO L280 TraceCheckUtils]: 5: Hoare triple {98#true} havoc ~lsw~0; {98#true} is VALID [2020-07-18 00:13:25,515 INFO L280 TraceCheckUtils]: 6: Hoare triple {98#true} assume !true; {99#false} is VALID [2020-07-18 00:13:25,515 INFO L280 TraceCheckUtils]: 7: Hoare triple {99#false} assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {99#false} is VALID [2020-07-18 00:13:25,516 INFO L280 TraceCheckUtils]: 8: Hoare triple {99#false} #res := 2; {99#false} is VALID [2020-07-18 00:13:25,516 INFO L280 TraceCheckUtils]: 9: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-18 00:13:25,517 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {99#false} {98#true} #152#return; {99#false} is VALID [2020-07-18 00:13:25,517 INFO L280 TraceCheckUtils]: 11: Hoare triple {99#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {99#false} is VALID [2020-07-18 00:13:25,517 INFO L280 TraceCheckUtils]: 12: Hoare triple {99#false} assume 0 == #t~ret4; {99#false} is VALID [2020-07-18 00:13:25,518 INFO L280 TraceCheckUtils]: 13: Hoare triple {99#false} havoc #t~ret4; {99#false} is VALID [2020-07-18 00:13:25,518 INFO L280 TraceCheckUtils]: 14: Hoare triple {99#false} #res := ~y; {99#false} is VALID [2020-07-18 00:13:25,519 INFO L280 TraceCheckUtils]: 15: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-18 00:13:25,519 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {99#false} {98#true} #144#return; {99#false} is VALID [2020-07-18 00:13:25,522 INFO L263 TraceCheckUtils]: 0: Hoare triple {98#true} call ULTIMATE.init(); {122#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:13:25,523 INFO L280 TraceCheckUtils]: 1: Hoare triple {122#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {98#true} is VALID [2020-07-18 00:13:25,523 INFO L280 TraceCheckUtils]: 2: Hoare triple {98#true} #valid := #valid[0 := 0]; {98#true} is VALID [2020-07-18 00:13:25,523 INFO L280 TraceCheckUtils]: 3: Hoare triple {98#true} assume 0 < #StackHeapBarrier; {98#true} is VALID [2020-07-18 00:13:25,524 INFO L280 TraceCheckUtils]: 4: Hoare triple {98#true} assume true; {98#true} is VALID [2020-07-18 00:13:25,524 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {98#true} {98#true} #148#return; {98#true} is VALID [2020-07-18 00:13:25,524 INFO L263 TraceCheckUtils]: 6: Hoare triple {98#true} call #t~ret12 := main(); {98#true} is VALID [2020-07-18 00:13:25,525 INFO L280 TraceCheckUtils]: 7: Hoare triple {98#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {98#true} is VALID [2020-07-18 00:13:25,525 INFO L280 TraceCheckUtils]: 8: Hoare triple {98#true} ~y~0 := 0.0; {98#true} is VALID [2020-07-18 00:13:25,527 INFO L263 TraceCheckUtils]: 9: Hoare triple {98#true} call #t~ret9 := fmin_double(~x~0, ~y~0); {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:25,528 INFO L280 TraceCheckUtils]: 10: Hoare triple {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {98#true} is VALID [2020-07-18 00:13:25,528 INFO L280 TraceCheckUtils]: 11: Hoare triple {98#true} ~y := #in~y; {98#true} is VALID [2020-07-18 00:13:25,530 INFO L263 TraceCheckUtils]: 12: Hoare triple {98#true} call #t~ret4 := __fpclassify_double(~x); {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:25,531 INFO L280 TraceCheckUtils]: 13: Hoare triple {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {98#true} is VALID [2020-07-18 00:13:25,531 INFO L280 TraceCheckUtils]: 14: Hoare triple {98#true} havoc ~msw~0; {98#true} is VALID [2020-07-18 00:13:25,531 INFO L280 TraceCheckUtils]: 15: Hoare triple {98#true} havoc ~lsw~0; {98#true} is VALID [2020-07-18 00:13:25,532 INFO L280 TraceCheckUtils]: 16: Hoare triple {98#true} assume !true; {99#false} is VALID [2020-07-18 00:13:25,533 INFO L280 TraceCheckUtils]: 17: Hoare triple {99#false} assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {99#false} is VALID [2020-07-18 00:13:25,533 INFO L280 TraceCheckUtils]: 18: Hoare triple {99#false} #res := 2; {99#false} is VALID [2020-07-18 00:13:25,534 INFO L280 TraceCheckUtils]: 19: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-18 00:13:25,534 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {99#false} {98#true} #152#return; {99#false} is VALID [2020-07-18 00:13:25,534 INFO L280 TraceCheckUtils]: 21: Hoare triple {99#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {99#false} is VALID [2020-07-18 00:13:25,535 INFO L280 TraceCheckUtils]: 22: Hoare triple {99#false} assume 0 == #t~ret4; {99#false} is VALID [2020-07-18 00:13:25,535 INFO L280 TraceCheckUtils]: 23: Hoare triple {99#false} havoc #t~ret4; {99#false} is VALID [2020-07-18 00:13:25,535 INFO L280 TraceCheckUtils]: 24: Hoare triple {99#false} #res := ~y; {99#false} is VALID [2020-07-18 00:13:25,536 INFO L280 TraceCheckUtils]: 25: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-18 00:13:25,536 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {99#false} {98#true} #144#return; {99#false} is VALID [2020-07-18 00:13:25,536 INFO L280 TraceCheckUtils]: 27: Hoare triple {99#false} ~res~0 := #t~ret9; {99#false} is VALID [2020-07-18 00:13:25,537 INFO L280 TraceCheckUtils]: 28: Hoare triple {99#false} havoc #t~ret9; {99#false} is VALID [2020-07-18 00:13:25,537 INFO L280 TraceCheckUtils]: 29: Hoare triple {99#false} #t~short11 := ~someBinaryDOUBLEComparisonOperation(~res~0, ~someUnaryDOUBLEoperation(0.0)); {99#false} is VALID [2020-07-18 00:13:25,537 INFO L280 TraceCheckUtils]: 30: Hoare triple {99#false} assume !#t~short11; {99#false} is VALID [2020-07-18 00:13:25,538 INFO L280 TraceCheckUtils]: 31: Hoare triple {99#false} assume !#t~short11; {99#false} is VALID [2020-07-18 00:13:25,538 INFO L280 TraceCheckUtils]: 32: Hoare triple {99#false} havoc #t~ret10; {99#false} is VALID [2020-07-18 00:13:25,538 INFO L280 TraceCheckUtils]: 33: Hoare triple {99#false} havoc #t~short11; {99#false} is VALID [2020-07-18 00:13:25,539 INFO L280 TraceCheckUtils]: 34: Hoare triple {99#false} assume !false; {99#false} is VALID [2020-07-18 00:13:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:13:25,546 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:25,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1730830742] [2020-07-18 00:13:25,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:13:25,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 00:13:25,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914245823] [2020-07-18 00:13:25,560 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-18 00:13:25,564 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:13:25,569 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 00:13:25,635 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:25,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 00:13:25,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:13:25,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 00:13:25,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 00:13:25,649 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 4 states. [2020-07-18 00:13:26,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:26,388 INFO L93 Difference]: Finished difference Result 176 states and 204 transitions. [2020-07-18 00:13:26,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 00:13:26,389 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-18 00:13:26,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:13:26,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 00:13:26,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2020-07-18 00:13:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 00:13:26,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2020-07-18 00:13:26,413 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 204 transitions. [2020-07-18 00:13:26,674 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:26,690 INFO L225 Difference]: With dead ends: 176 [2020-07-18 00:13:26,691 INFO L226 Difference]: Without dead ends: 87 [2020-07-18 00:13:26,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-18 00:13:26,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-07-18 00:13:26,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-07-18 00:13:26,828 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:13:26,829 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand 87 states. [2020-07-18 00:13:26,829 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 87 states. [2020-07-18 00:13:26,829 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 87 states. [2020-07-18 00:13:26,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:26,838 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2020-07-18 00:13:26,838 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-07-18 00:13:26,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:13:26,840 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:13:26,840 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 87 states. [2020-07-18 00:13:26,841 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 87 states. [2020-07-18 00:13:26,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:26,848 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2020-07-18 00:13:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-07-18 00:13:26,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:13:26,850 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:13:26,850 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:13:26,850 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:13:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-18 00:13:26,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2020-07-18 00:13:26,857 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 35 [2020-07-18 00:13:26,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:13:26,858 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2020-07-18 00:13:26,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 00:13:26,858 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 87 states and 95 transitions. [2020-07-18 00:13:26,972 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-07-18 00:13:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-18 00:13:26,974 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:26,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:13:26,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:13:26,975 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:26,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:26,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1530124146, now seen corresponding path program 1 times [2020-07-18 00:13:26,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:26,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1214173625] [2020-07-18 00:13:26,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:27,099 INFO L280 TraceCheckUtils]: 0: Hoare triple {875#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {837#true} is VALID [2020-07-18 00:13:27,100 INFO L280 TraceCheckUtils]: 1: Hoare triple {837#true} #valid := #valid[0 := 0]; {837#true} is VALID [2020-07-18 00:13:27,100 INFO L280 TraceCheckUtils]: 2: Hoare triple {837#true} assume 0 < #StackHeapBarrier; {837#true} is VALID [2020-07-18 00:13:27,100 INFO L280 TraceCheckUtils]: 3: Hoare triple {837#true} assume true; {837#true} is VALID [2020-07-18 00:13:27,101 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {837#true} {837#true} #148#return; {837#true} is VALID [2020-07-18 00:13:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:27,273 INFO L280 TraceCheckUtils]: 0: Hoare triple {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {837#true} is VALID [2020-07-18 00:13:27,274 INFO L280 TraceCheckUtils]: 1: Hoare triple {837#true} havoc ~msw~0; {837#true} is VALID [2020-07-18 00:13:27,274 INFO L280 TraceCheckUtils]: 2: Hoare triple {837#true} havoc ~lsw~0; {837#true} is VALID [2020-07-18 00:13:27,274 INFO L280 TraceCheckUtils]: 3: Hoare triple {837#true} SUMMARY for call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.allocOnStack(8); srcloc: L21-2 {837#true} is VALID [2020-07-18 00:13:27,275 INFO L280 TraceCheckUtils]: 4: Hoare triple {837#true} SUMMARY for call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L22 {837#true} is VALID [2020-07-18 00:13:27,275 INFO L280 TraceCheckUtils]: 5: Hoare triple {837#true} SUMMARY for call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); srcloc: L23 {837#true} is VALID [2020-07-18 00:13:27,275 INFO L280 TraceCheckUtils]: 6: Hoare triple {837#true} ~msw~0 := #t~mem0; {837#true} is VALID [2020-07-18 00:13:27,276 INFO L280 TraceCheckUtils]: 7: Hoare triple {837#true} SUMMARY for call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L24-1 {837#true} is VALID [2020-07-18 00:13:27,276 INFO L280 TraceCheckUtils]: 8: Hoare triple {837#true} havoc #t~union1; {837#true} is VALID [2020-07-18 00:13:27,276 INFO L280 TraceCheckUtils]: 9: Hoare triple {837#true} havoc #t~mem0; {837#true} is VALID [2020-07-18 00:13:27,277 INFO L280 TraceCheckUtils]: 10: Hoare triple {837#true} SUMMARY for call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); srcloc: L25 {837#true} is VALID [2020-07-18 00:13:27,277 INFO L280 TraceCheckUtils]: 11: Hoare triple {837#true} ~lsw~0 := #t~mem2; {837#true} is VALID [2020-07-18 00:13:27,278 INFO L280 TraceCheckUtils]: 12: Hoare triple {837#true} SUMMARY for call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L25-2 {837#true} is VALID [2020-07-18 00:13:27,278 INFO L280 TraceCheckUtils]: 13: Hoare triple {837#true} havoc #t~mem2; {837#true} is VALID [2020-07-18 00:13:27,278 INFO L280 TraceCheckUtils]: 14: Hoare triple {837#true} havoc #t~union3; {837#true} is VALID [2020-07-18 00:13:27,279 INFO L280 TraceCheckUtils]: 15: Hoare triple {837#true} SUMMARY for call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); srcloc: L22-1 {837#true} is VALID [2020-07-18 00:13:27,279 INFO L280 TraceCheckUtils]: 16: Hoare triple {837#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {837#true} is VALID [2020-07-18 00:13:27,279 INFO L280 TraceCheckUtils]: 17: Hoare triple {837#true} goto; {837#true} is VALID [2020-07-18 00:13:27,280 INFO L280 TraceCheckUtils]: 18: Hoare triple {837#true} assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {837#true} is VALID [2020-07-18 00:13:27,281 INFO L280 TraceCheckUtils]: 19: Hoare triple {837#true} #res := 2; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-18 00:13:27,282 INFO L280 TraceCheckUtils]: 20: Hoare triple {900#(<= 2 |__fpclassify_double_#res|)} assume true; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-18 00:13:27,283 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {900#(<= 2 |__fpclassify_double_#res|)} {837#true} #152#return; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-18 00:13:27,284 INFO L280 TraceCheckUtils]: 0: Hoare triple {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {837#true} is VALID [2020-07-18 00:13:27,284 INFO L280 TraceCheckUtils]: 1: Hoare triple {837#true} ~y := #in~y; {837#true} is VALID [2020-07-18 00:13:27,286 INFO L263 TraceCheckUtils]: 2: Hoare triple {837#true} call #t~ret4 := __fpclassify_double(~x); {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:27,286 INFO L280 TraceCheckUtils]: 3: Hoare triple {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {837#true} is VALID [2020-07-18 00:13:27,286 INFO L280 TraceCheckUtils]: 4: Hoare triple {837#true} havoc ~msw~0; {837#true} is VALID [2020-07-18 00:13:27,287 INFO L280 TraceCheckUtils]: 5: Hoare triple {837#true} havoc ~lsw~0; {837#true} is VALID [2020-07-18 00:13:27,287 INFO L280 TraceCheckUtils]: 6: Hoare triple {837#true} SUMMARY for call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.allocOnStack(8); srcloc: L21-2 {837#true} is VALID [2020-07-18 00:13:27,287 INFO L280 TraceCheckUtils]: 7: Hoare triple {837#true} SUMMARY for call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L22 {837#true} is VALID [2020-07-18 00:13:27,288 INFO L280 TraceCheckUtils]: 8: Hoare triple {837#true} SUMMARY for call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); srcloc: L23 {837#true} is VALID [2020-07-18 00:13:27,288 INFO L280 TraceCheckUtils]: 9: Hoare triple {837#true} ~msw~0 := #t~mem0; {837#true} is VALID [2020-07-18 00:13:27,288 INFO L280 TraceCheckUtils]: 10: Hoare triple {837#true} SUMMARY for call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L24-1 {837#true} is VALID [2020-07-18 00:13:27,288 INFO L280 TraceCheckUtils]: 11: Hoare triple {837#true} havoc #t~union1; {837#true} is VALID [2020-07-18 00:13:27,289 INFO L280 TraceCheckUtils]: 12: Hoare triple {837#true} havoc #t~mem0; {837#true} is VALID [2020-07-18 00:13:27,289 INFO L280 TraceCheckUtils]: 13: Hoare triple {837#true} SUMMARY for call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); srcloc: L25 {837#true} is VALID [2020-07-18 00:13:27,289 INFO L280 TraceCheckUtils]: 14: Hoare triple {837#true} ~lsw~0 := #t~mem2; {837#true} is VALID [2020-07-18 00:13:27,290 INFO L280 TraceCheckUtils]: 15: Hoare triple {837#true} SUMMARY for call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L25-2 {837#true} is VALID [2020-07-18 00:13:27,290 INFO L280 TraceCheckUtils]: 16: Hoare triple {837#true} havoc #t~mem2; {837#true} is VALID [2020-07-18 00:13:27,290 INFO L280 TraceCheckUtils]: 17: Hoare triple {837#true} havoc #t~union3; {837#true} is VALID [2020-07-18 00:13:27,291 INFO L280 TraceCheckUtils]: 18: Hoare triple {837#true} SUMMARY for call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); srcloc: L22-1 {837#true} is VALID [2020-07-18 00:13:27,291 INFO L280 TraceCheckUtils]: 19: Hoare triple {837#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {837#true} is VALID [2020-07-18 00:13:27,291 INFO L280 TraceCheckUtils]: 20: Hoare triple {837#true} goto; {837#true} is VALID [2020-07-18 00:13:27,292 INFO L280 TraceCheckUtils]: 21: Hoare triple {837#true} assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {837#true} is VALID [2020-07-18 00:13:27,293 INFO L280 TraceCheckUtils]: 22: Hoare triple {837#true} #res := 2; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-18 00:13:27,293 INFO L280 TraceCheckUtils]: 23: Hoare triple {900#(<= 2 |__fpclassify_double_#res|)} assume true; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-18 00:13:27,295 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {900#(<= 2 |__fpclassify_double_#res|)} {837#true} #152#return; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-18 00:13:27,295 INFO L280 TraceCheckUtils]: 25: Hoare triple {899#(<= 2 |fmin_double_#t~ret4|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-18 00:13:27,296 INFO L280 TraceCheckUtils]: 26: Hoare triple {899#(<= 2 |fmin_double_#t~ret4|)} assume 0 == #t~ret4; {838#false} is VALID [2020-07-18 00:13:27,297 INFO L280 TraceCheckUtils]: 27: Hoare triple {838#false} havoc #t~ret4; {838#false} is VALID [2020-07-18 00:13:27,297 INFO L280 TraceCheckUtils]: 28: Hoare triple {838#false} #res := ~y; {838#false} is VALID [2020-07-18 00:13:27,297 INFO L280 TraceCheckUtils]: 29: Hoare triple {838#false} assume true; {838#false} is VALID [2020-07-18 00:13:27,298 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {838#false} {837#true} #144#return; {838#false} is VALID [2020-07-18 00:13:27,300 INFO L263 TraceCheckUtils]: 0: Hoare triple {837#true} call ULTIMATE.init(); {875#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:13:27,301 INFO L280 TraceCheckUtils]: 1: Hoare triple {875#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {837#true} is VALID [2020-07-18 00:13:27,301 INFO L280 TraceCheckUtils]: 2: Hoare triple {837#true} #valid := #valid[0 := 0]; {837#true} is VALID [2020-07-18 00:13:27,301 INFO L280 TraceCheckUtils]: 3: Hoare triple {837#true} assume 0 < #StackHeapBarrier; {837#true} is VALID [2020-07-18 00:13:27,302 INFO L280 TraceCheckUtils]: 4: Hoare triple {837#true} assume true; {837#true} is VALID [2020-07-18 00:13:27,302 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {837#true} {837#true} #148#return; {837#true} is VALID [2020-07-18 00:13:27,302 INFO L263 TraceCheckUtils]: 6: Hoare triple {837#true} call #t~ret12 := main(); {837#true} is VALID [2020-07-18 00:13:27,302 INFO L280 TraceCheckUtils]: 7: Hoare triple {837#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {837#true} is VALID [2020-07-18 00:13:27,303 INFO L280 TraceCheckUtils]: 8: Hoare triple {837#true} ~y~0 := 0.0; {837#true} is VALID [2020-07-18 00:13:27,304 INFO L263 TraceCheckUtils]: 9: Hoare triple {837#true} call #t~ret9 := fmin_double(~x~0, ~y~0); {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:27,305 INFO L280 TraceCheckUtils]: 10: Hoare triple {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {837#true} is VALID [2020-07-18 00:13:27,305 INFO L280 TraceCheckUtils]: 11: Hoare triple {837#true} ~y := #in~y; {837#true} is VALID [2020-07-18 00:13:27,306 INFO L263 TraceCheckUtils]: 12: Hoare triple {837#true} call #t~ret4 := __fpclassify_double(~x); {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:27,307 INFO L280 TraceCheckUtils]: 13: Hoare triple {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {837#true} is VALID [2020-07-18 00:13:27,307 INFO L280 TraceCheckUtils]: 14: Hoare triple {837#true} havoc ~msw~0; {837#true} is VALID [2020-07-18 00:13:27,307 INFO L280 TraceCheckUtils]: 15: Hoare triple {837#true} havoc ~lsw~0; {837#true} is VALID [2020-07-18 00:13:27,308 INFO L280 TraceCheckUtils]: 16: Hoare triple {837#true} SUMMARY for call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.allocOnStack(8); srcloc: L21-2 {837#true} is VALID [2020-07-18 00:13:27,308 INFO L280 TraceCheckUtils]: 17: Hoare triple {837#true} SUMMARY for call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L22 {837#true} is VALID [2020-07-18 00:13:27,308 INFO L280 TraceCheckUtils]: 18: Hoare triple {837#true} SUMMARY for call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); srcloc: L23 {837#true} is VALID [2020-07-18 00:13:27,308 INFO L280 TraceCheckUtils]: 19: Hoare triple {837#true} ~msw~0 := #t~mem0; {837#true} is VALID [2020-07-18 00:13:27,309 INFO L280 TraceCheckUtils]: 20: Hoare triple {837#true} SUMMARY for call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L24-1 {837#true} is VALID [2020-07-18 00:13:27,309 INFO L280 TraceCheckUtils]: 21: Hoare triple {837#true} havoc #t~union1; {837#true} is VALID [2020-07-18 00:13:27,309 INFO L280 TraceCheckUtils]: 22: Hoare triple {837#true} havoc #t~mem0; {837#true} is VALID [2020-07-18 00:13:27,310 INFO L280 TraceCheckUtils]: 23: Hoare triple {837#true} SUMMARY for call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); srcloc: L25 {837#true} is VALID [2020-07-18 00:13:27,310 INFO L280 TraceCheckUtils]: 24: Hoare triple {837#true} ~lsw~0 := #t~mem2; {837#true} is VALID [2020-07-18 00:13:27,310 INFO L280 TraceCheckUtils]: 25: Hoare triple {837#true} SUMMARY for call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L25-2 {837#true} is VALID [2020-07-18 00:13:27,310 INFO L280 TraceCheckUtils]: 26: Hoare triple {837#true} havoc #t~mem2; {837#true} is VALID [2020-07-18 00:13:27,311 INFO L280 TraceCheckUtils]: 27: Hoare triple {837#true} havoc #t~union3; {837#true} is VALID [2020-07-18 00:13:27,311 INFO L280 TraceCheckUtils]: 28: Hoare triple {837#true} SUMMARY for call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); srcloc: L22-1 {837#true} is VALID [2020-07-18 00:13:27,311 INFO L280 TraceCheckUtils]: 29: Hoare triple {837#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {837#true} is VALID [2020-07-18 00:13:27,312 INFO L280 TraceCheckUtils]: 30: Hoare triple {837#true} goto; {837#true} is VALID [2020-07-18 00:13:27,312 INFO L280 TraceCheckUtils]: 31: Hoare triple {837#true} assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {837#true} is VALID [2020-07-18 00:13:27,313 INFO L280 TraceCheckUtils]: 32: Hoare triple {837#true} #res := 2; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-18 00:13:27,314 INFO L280 TraceCheckUtils]: 33: Hoare triple {900#(<= 2 |__fpclassify_double_#res|)} assume true; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-18 00:13:27,315 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {900#(<= 2 |__fpclassify_double_#res|)} {837#true} #152#return; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-18 00:13:27,316 INFO L280 TraceCheckUtils]: 35: Hoare triple {899#(<= 2 |fmin_double_#t~ret4|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-18 00:13:27,316 INFO L280 TraceCheckUtils]: 36: Hoare triple {899#(<= 2 |fmin_double_#t~ret4|)} assume 0 == #t~ret4; {838#false} is VALID [2020-07-18 00:13:27,317 INFO L280 TraceCheckUtils]: 37: Hoare triple {838#false} havoc #t~ret4; {838#false} is VALID [2020-07-18 00:13:27,317 INFO L280 TraceCheckUtils]: 38: Hoare triple {838#false} #res := ~y; {838#false} is VALID [2020-07-18 00:13:27,317 INFO L280 TraceCheckUtils]: 39: Hoare triple {838#false} assume true; {838#false} is VALID [2020-07-18 00:13:27,318 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {838#false} {837#true} #144#return; {838#false} is VALID [2020-07-18 00:13:27,318 INFO L280 TraceCheckUtils]: 41: Hoare triple {838#false} ~res~0 := #t~ret9; {838#false} is VALID [2020-07-18 00:13:27,318 INFO L280 TraceCheckUtils]: 42: Hoare triple {838#false} havoc #t~ret9; {838#false} is VALID [2020-07-18 00:13:27,318 INFO L280 TraceCheckUtils]: 43: Hoare triple {838#false} #t~short11 := ~someBinaryDOUBLEComparisonOperation(~res~0, ~someUnaryDOUBLEoperation(0.0)); {838#false} is VALID [2020-07-18 00:13:27,319 INFO L280 TraceCheckUtils]: 44: Hoare triple {838#false} assume !#t~short11; {838#false} is VALID [2020-07-18 00:13:27,319 INFO L280 TraceCheckUtils]: 45: Hoare triple {838#false} assume !#t~short11; {838#false} is VALID [2020-07-18 00:13:27,319 INFO L280 TraceCheckUtils]: 46: Hoare triple {838#false} havoc #t~ret10; {838#false} is VALID [2020-07-18 00:13:27,320 INFO L280 TraceCheckUtils]: 47: Hoare triple {838#false} havoc #t~short11; {838#false} is VALID [2020-07-18 00:13:27,320 INFO L280 TraceCheckUtils]: 48: Hoare triple {838#false} assume !false; {838#false} is VALID [2020-07-18 00:13:27,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:13:27,326 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:27,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1214173625] [2020-07-18 00:13:27,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:13:27,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:13:27,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64229235] [2020-07-18 00:13:27,329 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-18 00:13:27,329 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:13:27,329 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:13:27,378 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:27,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 00:13:27,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:13:27,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 00:13:27,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 00:13:27,379 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand 6 states. [2020-07-18 00:13:28,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:28,122 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2020-07-18 00:13:28,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 00:13:28,122 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-18 00:13:28,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:13:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:13:28,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 133 transitions. [2020-07-18 00:13:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:13:28,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 133 transitions. [2020-07-18 00:13:28,139 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 133 transitions. [2020-07-18 00:13:28,305 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:28,309 INFO L225 Difference]: With dead ends: 123 [2020-07-18 00:13:28,310 INFO L226 Difference]: Without dead ends: 92 [2020-07-18 00:13:28,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-18 00:13:28,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-18 00:13:28,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2020-07-18 00:13:28,389 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:13:28,389 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 91 states. [2020-07-18 00:13:28,389 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 91 states. [2020-07-18 00:13:28,389 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 91 states. [2020-07-18 00:13:28,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:28,395 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2020-07-18 00:13:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-07-18 00:13:28,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:13:28,396 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:13:28,397 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 92 states. [2020-07-18 00:13:28,397 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 92 states. [2020-07-18 00:13:28,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:28,402 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2020-07-18 00:13:28,403 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-07-18 00:13:28,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:13:28,404 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:13:28,404 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:13:28,404 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:13:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-18 00:13:28,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2020-07-18 00:13:28,409 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 49 [2020-07-18 00:13:28,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:13:28,410 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2020-07-18 00:13:28,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 00:13:28,410 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 91 states and 100 transitions. [2020-07-18 00:13:28,526 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2020-07-18 00:13:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-18 00:13:28,529 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:28,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:13:28,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:13:28,530 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:28,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:28,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1091693362, now seen corresponding path program 1 times [2020-07-18 00:13:28,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:28,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873649472] [2020-07-18 00:13:28,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:28,629 INFO L280 TraceCheckUtils]: 0: Hoare triple {1559#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1518#true} is VALID [2020-07-18 00:13:28,630 INFO L280 TraceCheckUtils]: 1: Hoare triple {1518#true} #valid := #valid[0 := 0]; {1518#true} is VALID [2020-07-18 00:13:28,630 INFO L280 TraceCheckUtils]: 2: Hoare triple {1518#true} assume 0 < #StackHeapBarrier; {1518#true} is VALID [2020-07-18 00:13:28,630 INFO L280 TraceCheckUtils]: 3: Hoare triple {1518#true} assume true; {1518#true} is VALID [2020-07-18 00:13:28,631 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1518#true} {1518#true} #148#return; {1518#true} is VALID [2020-07-18 00:13:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:28,755 INFO L280 TraceCheckUtils]: 0: Hoare triple {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1518#true} is VALID [2020-07-18 00:13:28,756 INFO L280 TraceCheckUtils]: 1: Hoare triple {1518#true} havoc ~msw~0; {1518#true} is VALID [2020-07-18 00:13:28,756 INFO L280 TraceCheckUtils]: 2: Hoare triple {1518#true} havoc ~lsw~0; {1518#true} is VALID [2020-07-18 00:13:28,757 INFO L280 TraceCheckUtils]: 3: Hoare triple {1518#true} SUMMARY for call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.allocOnStack(8); srcloc: L21-2 {1518#true} is VALID [2020-07-18 00:13:28,757 INFO L280 TraceCheckUtils]: 4: Hoare triple {1518#true} SUMMARY for call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L22 {1518#true} is VALID [2020-07-18 00:13:28,757 INFO L280 TraceCheckUtils]: 5: Hoare triple {1518#true} SUMMARY for call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); srcloc: L23 {1518#true} is VALID [2020-07-18 00:13:28,758 INFO L280 TraceCheckUtils]: 6: Hoare triple {1518#true} ~msw~0 := #t~mem0; {1518#true} is VALID [2020-07-18 00:13:28,758 INFO L280 TraceCheckUtils]: 7: Hoare triple {1518#true} SUMMARY for call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L24-1 {1518#true} is VALID [2020-07-18 00:13:28,758 INFO L280 TraceCheckUtils]: 8: Hoare triple {1518#true} havoc #t~union1; {1518#true} is VALID [2020-07-18 00:13:28,759 INFO L280 TraceCheckUtils]: 9: Hoare triple {1518#true} havoc #t~mem0; {1518#true} is VALID [2020-07-18 00:13:28,759 INFO L280 TraceCheckUtils]: 10: Hoare triple {1518#true} SUMMARY for call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); srcloc: L25 {1518#true} is VALID [2020-07-18 00:13:28,759 INFO L280 TraceCheckUtils]: 11: Hoare triple {1518#true} ~lsw~0 := #t~mem2; {1518#true} is VALID [2020-07-18 00:13:28,759 INFO L280 TraceCheckUtils]: 12: Hoare triple {1518#true} SUMMARY for call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L25-2 {1518#true} is VALID [2020-07-18 00:13:28,760 INFO L280 TraceCheckUtils]: 13: Hoare triple {1518#true} havoc #t~mem2; {1518#true} is VALID [2020-07-18 00:13:28,760 INFO L280 TraceCheckUtils]: 14: Hoare triple {1518#true} havoc #t~union3; {1518#true} is VALID [2020-07-18 00:13:28,760 INFO L280 TraceCheckUtils]: 15: Hoare triple {1518#true} SUMMARY for call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); srcloc: L22-1 {1518#true} is VALID [2020-07-18 00:13:28,761 INFO L280 TraceCheckUtils]: 16: Hoare triple {1518#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {1518#true} is VALID [2020-07-18 00:13:28,761 INFO L280 TraceCheckUtils]: 17: Hoare triple {1518#true} goto; {1518#true} is VALID [2020-07-18 00:13:28,761 INFO L280 TraceCheckUtils]: 18: Hoare triple {1518#true} assume !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); {1518#true} is VALID [2020-07-18 00:13:28,762 INFO L280 TraceCheckUtils]: 19: Hoare triple {1518#true} assume !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)); {1518#true} is VALID [2020-07-18 00:13:28,762 INFO L280 TraceCheckUtils]: 20: Hoare triple {1518#true} assume !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)); {1518#true} is VALID [2020-07-18 00:13:28,762 INFO L280 TraceCheckUtils]: 21: Hoare triple {1518#true} assume (2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {1518#true} is VALID [2020-07-18 00:13:28,763 INFO L280 TraceCheckUtils]: 22: Hoare triple {1518#true} #res := 1; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-18 00:13:28,764 INFO L280 TraceCheckUtils]: 23: Hoare triple {1587#(= 1 |__fpclassify_double_#res|)} assume true; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-18 00:13:28,765 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {1587#(= 1 |__fpclassify_double_#res|)} {1518#true} #152#return; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-18 00:13:28,766 INFO L280 TraceCheckUtils]: 0: Hoare triple {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1518#true} is VALID [2020-07-18 00:13:28,767 INFO L280 TraceCheckUtils]: 1: Hoare triple {1518#true} ~y := #in~y; {1518#true} is VALID [2020-07-18 00:13:28,768 INFO L263 TraceCheckUtils]: 2: Hoare triple {1518#true} call #t~ret4 := __fpclassify_double(~x); {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:28,768 INFO L280 TraceCheckUtils]: 3: Hoare triple {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1518#true} is VALID [2020-07-18 00:13:28,769 INFO L280 TraceCheckUtils]: 4: Hoare triple {1518#true} havoc ~msw~0; {1518#true} is VALID [2020-07-18 00:13:28,769 INFO L280 TraceCheckUtils]: 5: Hoare triple {1518#true} havoc ~lsw~0; {1518#true} is VALID [2020-07-18 00:13:28,769 INFO L280 TraceCheckUtils]: 6: Hoare triple {1518#true} SUMMARY for call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.allocOnStack(8); srcloc: L21-2 {1518#true} is VALID [2020-07-18 00:13:28,770 INFO L280 TraceCheckUtils]: 7: Hoare triple {1518#true} SUMMARY for call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L22 {1518#true} is VALID [2020-07-18 00:13:28,770 INFO L280 TraceCheckUtils]: 8: Hoare triple {1518#true} SUMMARY for call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); srcloc: L23 {1518#true} is VALID [2020-07-18 00:13:28,770 INFO L280 TraceCheckUtils]: 9: Hoare triple {1518#true} ~msw~0 := #t~mem0; {1518#true} is VALID [2020-07-18 00:13:28,770 INFO L280 TraceCheckUtils]: 10: Hoare triple {1518#true} SUMMARY for call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L24-1 {1518#true} is VALID [2020-07-18 00:13:28,771 INFO L280 TraceCheckUtils]: 11: Hoare triple {1518#true} havoc #t~union1; {1518#true} is VALID [2020-07-18 00:13:28,771 INFO L280 TraceCheckUtils]: 12: Hoare triple {1518#true} havoc #t~mem0; {1518#true} is VALID [2020-07-18 00:13:28,771 INFO L280 TraceCheckUtils]: 13: Hoare triple {1518#true} SUMMARY for call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); srcloc: L25 {1518#true} is VALID [2020-07-18 00:13:28,772 INFO L280 TraceCheckUtils]: 14: Hoare triple {1518#true} ~lsw~0 := #t~mem2; {1518#true} is VALID [2020-07-18 00:13:28,772 INFO L280 TraceCheckUtils]: 15: Hoare triple {1518#true} SUMMARY for call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L25-2 {1518#true} is VALID [2020-07-18 00:13:28,772 INFO L280 TraceCheckUtils]: 16: Hoare triple {1518#true} havoc #t~mem2; {1518#true} is VALID [2020-07-18 00:13:28,773 INFO L280 TraceCheckUtils]: 17: Hoare triple {1518#true} havoc #t~union3; {1518#true} is VALID [2020-07-18 00:13:28,773 INFO L280 TraceCheckUtils]: 18: Hoare triple {1518#true} SUMMARY for call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); srcloc: L22-1 {1518#true} is VALID [2020-07-18 00:13:28,773 INFO L280 TraceCheckUtils]: 19: Hoare triple {1518#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {1518#true} is VALID [2020-07-18 00:13:28,774 INFO L280 TraceCheckUtils]: 20: Hoare triple {1518#true} goto; {1518#true} is VALID [2020-07-18 00:13:28,774 INFO L280 TraceCheckUtils]: 21: Hoare triple {1518#true} assume !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); {1518#true} is VALID [2020-07-18 00:13:28,774 INFO L280 TraceCheckUtils]: 22: Hoare triple {1518#true} assume !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)); {1518#true} is VALID [2020-07-18 00:13:28,775 INFO L280 TraceCheckUtils]: 23: Hoare triple {1518#true} assume !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)); {1518#true} is VALID [2020-07-18 00:13:28,775 INFO L280 TraceCheckUtils]: 24: Hoare triple {1518#true} assume (2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {1518#true} is VALID [2020-07-18 00:13:28,776 INFO L280 TraceCheckUtils]: 25: Hoare triple {1518#true} #res := 1; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-18 00:13:28,777 INFO L280 TraceCheckUtils]: 26: Hoare triple {1587#(= 1 |__fpclassify_double_#res|)} assume true; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-18 00:13:28,778 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1587#(= 1 |__fpclassify_double_#res|)} {1518#true} #152#return; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-18 00:13:28,779 INFO L280 TraceCheckUtils]: 28: Hoare triple {1586#(= 1 |fmin_double_#t~ret4|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-18 00:13:28,779 INFO L280 TraceCheckUtils]: 29: Hoare triple {1586#(= 1 |fmin_double_#t~ret4|)} assume 0 == #t~ret4; {1519#false} is VALID [2020-07-18 00:13:28,780 INFO L280 TraceCheckUtils]: 30: Hoare triple {1519#false} havoc #t~ret4; {1519#false} is VALID [2020-07-18 00:13:28,780 INFO L280 TraceCheckUtils]: 31: Hoare triple {1519#false} #res := ~y; {1519#false} is VALID [2020-07-18 00:13:28,780 INFO L280 TraceCheckUtils]: 32: Hoare triple {1519#false} assume true; {1519#false} is VALID [2020-07-18 00:13:28,781 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1519#false} {1518#true} #144#return; {1519#false} is VALID [2020-07-18 00:13:28,783 INFO L263 TraceCheckUtils]: 0: Hoare triple {1518#true} call ULTIMATE.init(); {1559#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:13:28,783 INFO L280 TraceCheckUtils]: 1: Hoare triple {1559#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1518#true} is VALID [2020-07-18 00:13:28,784 INFO L280 TraceCheckUtils]: 2: Hoare triple {1518#true} #valid := #valid[0 := 0]; {1518#true} is VALID [2020-07-18 00:13:28,784 INFO L280 TraceCheckUtils]: 3: Hoare triple {1518#true} assume 0 < #StackHeapBarrier; {1518#true} is VALID [2020-07-18 00:13:28,784 INFO L280 TraceCheckUtils]: 4: Hoare triple {1518#true} assume true; {1518#true} is VALID [2020-07-18 00:13:28,785 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1518#true} {1518#true} #148#return; {1518#true} is VALID [2020-07-18 00:13:28,785 INFO L263 TraceCheckUtils]: 6: Hoare triple {1518#true} call #t~ret12 := main(); {1518#true} is VALID [2020-07-18 00:13:28,785 INFO L280 TraceCheckUtils]: 7: Hoare triple {1518#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {1518#true} is VALID [2020-07-18 00:13:28,786 INFO L280 TraceCheckUtils]: 8: Hoare triple {1518#true} ~y~0 := 0.0; {1518#true} is VALID [2020-07-18 00:13:28,787 INFO L263 TraceCheckUtils]: 9: Hoare triple {1518#true} call #t~ret9 := fmin_double(~x~0, ~y~0); {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:28,788 INFO L280 TraceCheckUtils]: 10: Hoare triple {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1518#true} is VALID [2020-07-18 00:13:28,788 INFO L280 TraceCheckUtils]: 11: Hoare triple {1518#true} ~y := #in~y; {1518#true} is VALID [2020-07-18 00:13:28,789 INFO L263 TraceCheckUtils]: 12: Hoare triple {1518#true} call #t~ret4 := __fpclassify_double(~x); {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:28,790 INFO L280 TraceCheckUtils]: 13: Hoare triple {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1518#true} is VALID [2020-07-18 00:13:28,790 INFO L280 TraceCheckUtils]: 14: Hoare triple {1518#true} havoc ~msw~0; {1518#true} is VALID [2020-07-18 00:13:28,790 INFO L280 TraceCheckUtils]: 15: Hoare triple {1518#true} havoc ~lsw~0; {1518#true} is VALID [2020-07-18 00:13:28,791 INFO L280 TraceCheckUtils]: 16: Hoare triple {1518#true} SUMMARY for call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.allocOnStack(8); srcloc: L21-2 {1518#true} is VALID [2020-07-18 00:13:28,791 INFO L280 TraceCheckUtils]: 17: Hoare triple {1518#true} SUMMARY for call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L22 {1518#true} is VALID [2020-07-18 00:13:28,791 INFO L280 TraceCheckUtils]: 18: Hoare triple {1518#true} SUMMARY for call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); srcloc: L23 {1518#true} is VALID [2020-07-18 00:13:28,791 INFO L280 TraceCheckUtils]: 19: Hoare triple {1518#true} ~msw~0 := #t~mem0; {1518#true} is VALID [2020-07-18 00:13:28,792 INFO L280 TraceCheckUtils]: 20: Hoare triple {1518#true} SUMMARY for call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L24-1 {1518#true} is VALID [2020-07-18 00:13:28,792 INFO L280 TraceCheckUtils]: 21: Hoare triple {1518#true} havoc #t~union1; {1518#true} is VALID [2020-07-18 00:13:28,792 INFO L280 TraceCheckUtils]: 22: Hoare triple {1518#true} havoc #t~mem0; {1518#true} is VALID [2020-07-18 00:13:28,793 INFO L280 TraceCheckUtils]: 23: Hoare triple {1518#true} SUMMARY for call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); srcloc: L25 {1518#true} is VALID [2020-07-18 00:13:28,793 INFO L280 TraceCheckUtils]: 24: Hoare triple {1518#true} ~lsw~0 := #t~mem2; {1518#true} is VALID [2020-07-18 00:13:28,793 INFO L280 TraceCheckUtils]: 25: Hoare triple {1518#true} SUMMARY for call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L25-2 {1518#true} is VALID [2020-07-18 00:13:28,793 INFO L280 TraceCheckUtils]: 26: Hoare triple {1518#true} havoc #t~mem2; {1518#true} is VALID [2020-07-18 00:13:28,794 INFO L280 TraceCheckUtils]: 27: Hoare triple {1518#true} havoc #t~union3; {1518#true} is VALID [2020-07-18 00:13:28,794 INFO L280 TraceCheckUtils]: 28: Hoare triple {1518#true} SUMMARY for call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); srcloc: L22-1 {1518#true} is VALID [2020-07-18 00:13:28,794 INFO L280 TraceCheckUtils]: 29: Hoare triple {1518#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {1518#true} is VALID [2020-07-18 00:13:28,794 INFO L280 TraceCheckUtils]: 30: Hoare triple {1518#true} goto; {1518#true} is VALID [2020-07-18 00:13:28,795 INFO L280 TraceCheckUtils]: 31: Hoare triple {1518#true} assume !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); {1518#true} is VALID [2020-07-18 00:13:28,795 INFO L280 TraceCheckUtils]: 32: Hoare triple {1518#true} assume !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)); {1518#true} is VALID [2020-07-18 00:13:28,795 INFO L280 TraceCheckUtils]: 33: Hoare triple {1518#true} assume !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)); {1518#true} is VALID [2020-07-18 00:13:28,796 INFO L280 TraceCheckUtils]: 34: Hoare triple {1518#true} assume (2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {1518#true} is VALID [2020-07-18 00:13:28,797 INFO L280 TraceCheckUtils]: 35: Hoare triple {1518#true} #res := 1; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-18 00:13:28,797 INFO L280 TraceCheckUtils]: 36: Hoare triple {1587#(= 1 |__fpclassify_double_#res|)} assume true; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-18 00:13:28,798 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1587#(= 1 |__fpclassify_double_#res|)} {1518#true} #152#return; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-18 00:13:28,799 INFO L280 TraceCheckUtils]: 38: Hoare triple {1586#(= 1 |fmin_double_#t~ret4|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-18 00:13:28,800 INFO L280 TraceCheckUtils]: 39: Hoare triple {1586#(= 1 |fmin_double_#t~ret4|)} assume 0 == #t~ret4; {1519#false} is VALID [2020-07-18 00:13:28,800 INFO L280 TraceCheckUtils]: 40: Hoare triple {1519#false} havoc #t~ret4; {1519#false} is VALID [2020-07-18 00:13:28,801 INFO L280 TraceCheckUtils]: 41: Hoare triple {1519#false} #res := ~y; {1519#false} is VALID [2020-07-18 00:13:28,801 INFO L280 TraceCheckUtils]: 42: Hoare triple {1519#false} assume true; {1519#false} is VALID [2020-07-18 00:13:28,801 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {1519#false} {1518#true} #144#return; {1519#false} is VALID [2020-07-18 00:13:28,802 INFO L280 TraceCheckUtils]: 44: Hoare triple {1519#false} ~res~0 := #t~ret9; {1519#false} is VALID [2020-07-18 00:13:28,802 INFO L280 TraceCheckUtils]: 45: Hoare triple {1519#false} havoc #t~ret9; {1519#false} is VALID [2020-07-18 00:13:28,802 INFO L280 TraceCheckUtils]: 46: Hoare triple {1519#false} #t~short11 := ~someBinaryDOUBLEComparisonOperation(~res~0, ~someUnaryDOUBLEoperation(0.0)); {1519#false} is VALID [2020-07-18 00:13:28,803 INFO L280 TraceCheckUtils]: 47: Hoare triple {1519#false} assume !#t~short11; {1519#false} is VALID [2020-07-18 00:13:28,803 INFO L280 TraceCheckUtils]: 48: Hoare triple {1519#false} assume !#t~short11; {1519#false} is VALID [2020-07-18 00:13:28,803 INFO L280 TraceCheckUtils]: 49: Hoare triple {1519#false} havoc #t~ret10; {1519#false} is VALID [2020-07-18 00:13:28,804 INFO L280 TraceCheckUtils]: 50: Hoare triple {1519#false} havoc #t~short11; {1519#false} is VALID [2020-07-18 00:13:28,804 INFO L280 TraceCheckUtils]: 51: Hoare triple {1519#false} assume !false; {1519#false} is VALID [2020-07-18 00:13:28,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:13:28,810 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:28,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873649472] [2020-07-18 00:13:28,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:13:28,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:13:28,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375626676] [2020-07-18 00:13:28,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-07-18 00:13:28,812 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:13:28,813 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:13:28,872 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:28,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 00:13:28,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:13:28,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 00:13:28,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 00:13:28,873 INFO L87 Difference]: Start difference. First operand 91 states and 100 transitions. Second operand 6 states. [2020-07-18 00:13:29,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:29,518 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2020-07-18 00:13:29,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 00:13:29,519 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-07-18 00:13:29,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:13:29,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:13:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 133 transitions. [2020-07-18 00:13:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 00:13:29,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 133 transitions. [2020-07-18 00:13:29,541 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 133 transitions. [2020-07-18 00:13:29,711 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:29,716 INFO L225 Difference]: With dead ends: 127 [2020-07-18 00:13:29,716 INFO L226 Difference]: Without dead ends: 96 [2020-07-18 00:13:29,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-18 00:13:29,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-07-18 00:13:29,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 91. [2020-07-18 00:13:29,802 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:13:29,802 INFO L82 GeneralOperation]: Start isEquivalent. First operand 96 states. Second operand 91 states. [2020-07-18 00:13:29,802 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 91 states. [2020-07-18 00:13:29,803 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 91 states. [2020-07-18 00:13:29,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:29,810 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2020-07-18 00:13:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2020-07-18 00:13:29,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:13:29,819 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:13:29,819 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 96 states. [2020-07-18 00:13:29,819 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 96 states. [2020-07-18 00:13:29,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:29,828 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2020-07-18 00:13:29,828 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2020-07-18 00:13:29,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:13:29,828 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:13:29,829 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:13:29,829 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:13:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-18 00:13:29,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2020-07-18 00:13:29,834 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 52 [2020-07-18 00:13:29,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:13:29,835 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2020-07-18 00:13:29,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 00:13:29,835 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 91 states and 100 transitions. [2020-07-18 00:13:29,940 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:29,941 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2020-07-18 00:13:29,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-18 00:13:29,943 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:29,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:13:29,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 00:13:29,944 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:29,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:29,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1804168050, now seen corresponding path program 1 times [2020-07-18 00:13:29,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:29,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385408321] [2020-07-18 00:13:29,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:13:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:13:30,139 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:30,140 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 00:13:30,140 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 00:13:30,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 00:13:30,160 WARN L170 areAnnotationChecker]: isnan_doubleENTRY has no Hoare annotation [2020-07-18 00:13:30,160 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 00:13:30,161 WARN L170 areAnnotationChecker]: __fpclassify_doubleENTRY has no Hoare annotation [2020-07-18 00:13:30,161 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:13:30,161 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:13:30,161 WARN L170 areAnnotationChecker]: __signbit_doubleENTRY has no Hoare annotation [2020-07-18 00:13:30,161 WARN L170 areAnnotationChecker]: fmin_doubleENTRY has no Hoare annotation [2020-07-18 00:13:30,161 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 00:13:30,161 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-18 00:13:30,161 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:13:30,161 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-18 00:13:30,162 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:13:30,162 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:13:30,162 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-18 00:13:30,162 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-18 00:13:30,162 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-18 00:13:30,162 WARN L170 areAnnotationChecker]: isnan_doubleFINAL has no Hoare annotation [2020-07-18 00:13:30,162 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 00:13:30,162 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-18 00:13:30,162 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 00:13:30,163 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-18 00:13:30,163 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-18 00:13:30,163 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-18 00:13:30,163 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-18 00:13:30,163 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-18 00:13:30,163 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-18 00:13:30,163 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 00:13:30,164 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2020-07-18 00:13:30,164 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2020-07-18 00:13:30,164 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-18 00:13:30,164 WARN L170 areAnnotationChecker]: L57-3 has no Hoare annotation [2020-07-18 00:13:30,164 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2020-07-18 00:13:30,164 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-18 00:13:30,164 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 00:13:30,164 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 00:13:30,165 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2020-07-18 00:13:30,165 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2020-07-18 00:13:30,165 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-18 00:13:30,165 WARN L170 areAnnotationChecker]: __signbit_doubleFINAL has no Hoare annotation [2020-07-18 00:13:30,165 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-18 00:13:30,165 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-18 00:13:30,165 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-18 00:13:30,165 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 00:13:30,166 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-18 00:13:30,166 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-18 00:13:30,166 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-18 00:13:30,166 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-18 00:13:30,166 WARN L170 areAnnotationChecker]: __signbit_doubleEXIT has no Hoare annotation [2020-07-18 00:13:30,166 WARN L170 areAnnotationChecker]: L46-3 has no Hoare annotation [2020-07-18 00:13:30,166 WARN L170 areAnnotationChecker]: L46-4 has no Hoare annotation [2020-07-18 00:13:30,166 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-18 00:13:30,167 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-18 00:13:30,167 WARN L170 areAnnotationChecker]: __fpclassify_doubleFINAL has no Hoare annotation [2020-07-18 00:13:30,167 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-18 00:13:30,167 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-18 00:13:30,167 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-18 00:13:30,167 WARN L170 areAnnotationChecker]: L60-1 has no Hoare annotation [2020-07-18 00:13:30,167 WARN L170 areAnnotationChecker]: L79-3 has no Hoare annotation [2020-07-18 00:13:30,167 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-18 00:13:30,168 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-18 00:13:30,168 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-18 00:13:30,168 WARN L170 areAnnotationChecker]: L79-1 has no Hoare annotation [2020-07-18 00:13:30,168 WARN L170 areAnnotationChecker]: L79-1 has no Hoare annotation [2020-07-18 00:13:30,168 WARN L170 areAnnotationChecker]: L24-1 has no Hoare annotation [2020-07-18 00:13:30,168 WARN L170 areAnnotationChecker]: __fpclassify_doubleEXIT has no Hoare annotation [2020-07-18 00:13:30,168 WARN L170 areAnnotationChecker]: __fpclassify_doubleEXIT has no Hoare annotation [2020-07-18 00:13:30,168 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-18 00:13:30,168 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-18 00:13:30,169 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-18 00:13:30,169 WARN L170 areAnnotationChecker]: L60-2 has no Hoare annotation [2020-07-18 00:13:30,169 WARN L170 areAnnotationChecker]: L79-4 has no Hoare annotation [2020-07-18 00:13:30,169 WARN L170 areAnnotationChecker]: fmin_doubleFINAL has no Hoare annotation [2020-07-18 00:13:30,169 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-18 00:13:30,169 WARN L170 areAnnotationChecker]: L79-2 has no Hoare annotation [2020-07-18 00:13:30,169 WARN L170 areAnnotationChecker]: L79-2 has no Hoare annotation [2020-07-18 00:13:30,169 WARN L170 areAnnotationChecker]: L79-6 has no Hoare annotation [2020-07-18 00:13:30,170 WARN L170 areAnnotationChecker]: L79-6 has no Hoare annotation [2020-07-18 00:13:30,170 WARN L170 areAnnotationChecker]: L24-2 has no Hoare annotation [2020-07-18 00:13:30,170 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-18 00:13:30,170 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-18 00:13:30,170 WARN L170 areAnnotationChecker]: L60-3 has no Hoare annotation [2020-07-18 00:13:30,170 WARN L170 areAnnotationChecker]: fmin_doubleEXIT has no Hoare annotation [2020-07-18 00:13:30,170 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-18 00:13:30,170 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-18 00:13:30,170 WARN L170 areAnnotationChecker]: L79-7 has no Hoare annotation [2020-07-18 00:13:30,171 WARN L170 areAnnotationChecker]: L79-9 has no Hoare annotation [2020-07-18 00:13:30,171 WARN L170 areAnnotationChecker]: L24-3 has no Hoare annotation [2020-07-18 00:13:30,171 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2020-07-18 00:13:30,171 WARN L170 areAnnotationChecker]: L48-3 has no Hoare annotation [2020-07-18 00:13:30,171 WARN L170 areAnnotationChecker]: L48-4 has no Hoare annotation [2020-07-18 00:13:30,171 WARN L170 areAnnotationChecker]: L79-8 has no Hoare annotation [2020-07-18 00:13:30,171 WARN L170 areAnnotationChecker]: L79-10 has no Hoare annotation [2020-07-18 00:13:30,171 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-18 00:13:30,171 WARN L170 areAnnotationChecker]: L58-2 has no Hoare annotation [2020-07-18 00:13:30,172 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-18 00:13:30,172 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-18 00:13:30,172 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-18 00:13:30,172 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-18 00:13:30,172 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-18 00:13:30,172 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-18 00:13:30,172 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-18 00:13:30,173 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-18 00:13:30,173 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-18 00:13:30,173 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-18 00:13:30,173 WARN L170 areAnnotationChecker]: L51-3 has no Hoare annotation [2020-07-18 00:13:30,173 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-18 00:13:30,173 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 00:13:30,173 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-18 00:13:30,173 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-18 00:13:30,174 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 00:13:30,174 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-18 00:13:30,174 WARN L170 areAnnotationChecker]: L51-5 has no Hoare annotation [2020-07-18 00:13:30,174 WARN L170 areAnnotationChecker]: L25-4 has no Hoare annotation [2020-07-18 00:13:30,174 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-18 00:13:30,174 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-18 00:13:30,174 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-18 00:13:30,174 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-18 00:13:30,175 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. [2020-07-18 00:13:30,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:13:30 BoogieIcfgContainer [2020-07-18 00:13:30,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:13:30,181 INFO L168 Benchmark]: Toolchain (without parser) took 6269.55 ms. Allocated memory was 136.3 MB in the beginning and 291.5 MB in the end (delta: 155.2 MB). Free memory was 102.6 MB in the beginning and 201.5 MB in the end (delta: -98.9 MB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:30,182 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:13:30,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.07 ms. Allocated memory is still 136.3 MB. Free memory was 102.2 MB in the beginning and 90.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:30,184 INFO L168 Benchmark]: Boogie Preprocessor took 156.91 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 90.0 MB in the beginning and 177.9 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:30,185 INFO L168 Benchmark]: RCFGBuilder took 669.49 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 137.3 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:30,186 INFO L168 Benchmark]: TraceAbstraction took 5112.02 ms. Allocated memory was 200.3 MB in the beginning and 291.5 MB in the end (delta: 91.2 MB). Free memory was 136.6 MB in the beginning and 201.5 MB in the end (delta: -65.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:30,189 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 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 324.07 ms. Allocated memory is still 136.3 MB. Free memory was 102.2 MB in the beginning and 90.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.91 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 90.0 MB in the beginning and 177.9 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 669.49 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 137.3 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5112.02 ms. Allocated memory was 200.3 MB in the beginning and 291.5 MB in the end (delta: 91.2 MB). Free memory was 136.6 MB in the beginning and 201.5 MB in the end (delta: -65.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someUnaryDOUBLEoperation at line 74. Possible FailurePath: [L74] double x = -0.0; [L75] double y = 0.0; [L76] CALL, EXPR fmin_double(x, y) [L46] CALL, EXPR __fpclassify_double(x) [L19] __uint32_t msw, lsw; [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (msw) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (lsw) = ew_u.parts.lsw [L28-L29] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L31-L32] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L34-L35] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L38-L39] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L42] return 0; [L46] RET, EXPR __fpclassify_double(x) [L46] COND TRUE __fpclassify_double(x) == 0 [L47] return y; [L76] RET, EXPR fmin_double(x, y) [L76] double res = fmin_double(x, y); [L79] EXPR res == -0.0 && __signbit_double(res) == 1 [L79] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L80] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 285 SDtfs, 59 SDslu, 523 SDs, 0 SdLazy, 377 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred 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: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...