/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 21:48:09,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 21:48:09,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 21:48:10,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 21:48:10,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 21:48:10,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 21:48:10,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 21:48:10,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 21:48:10,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 21:48:10,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 21:48:10,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 21:48:10,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 21:48:10,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 21:48:10,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 21:48:10,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 21:48:10,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 21:48:10,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 21:48:10,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 21:48:10,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 21:48:10,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 21:48:10,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 21:48:10,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 21:48:10,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 21:48:10,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 21:48:10,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 21:48:10,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 21:48:10,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 21:48:10,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 21:48:10,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 21:48:10,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 21:48:10,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 21:48:10,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 21:48:10,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 21:48:10,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 21:48:10,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 21:48:10,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 21:48:10,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 21:48:10,094 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 21:48:10,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 21:48:10,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 21:48:10,097 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 21:48:10,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 21:48:10,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 21:48:10,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 21:48:10,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 21:48:10,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 21:48:10,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 21:48:10,101 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 21:48:10,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 21:48:10,101 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 21:48:10,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 21:48:10,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 21:48:10,102 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 21:48:10,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 21:48:10,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 21:48:10,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 21:48:10,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 21:48:10,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 21:48:10,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 21:48:10,103 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 21:48:10,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 21:48:10,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 21:48:10,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 21:48:10,415 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 21:48:10,415 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 21:48:10,416 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c [2020-07-08 21:48:10,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5aa5312/4f6aa5a088454c2e8a0c3ee7c6d5755d/FLAGec5cdcc6e [2020-07-08 21:48:10,959 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 21:48:10,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c [2020-07-08 21:48:10,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5aa5312/4f6aa5a088454c2e8a0c3ee7c6d5755d/FLAGec5cdcc6e [2020-07-08 21:48:11,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5aa5312/4f6aa5a088454c2e8a0c3ee7c6d5755d [2020-07-08 21:48:11,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 21:48:11,336 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 21:48:11,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 21:48:11,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 21:48:11,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 21:48:11,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 09:48:11" (1/1) ... [2020-07-08 21:48:11,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51cdcd13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:11, skipping insertion in model container [2020-07-08 21:48:11,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 09:48:11" (1/1) ... [2020-07-08 21:48:11,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 21:48:11,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 21:48:11,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 21:48:11,578 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 21:48:11,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 21:48:11,755 INFO L208 MainTranslator]: Completed translation [2020-07-08 21:48:11,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:11 WrapperNode [2020-07-08 21:48:11,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 21:48:11,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 21:48:11,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 21:48:11,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 21:48:11,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:11" (1/1) ... [2020-07-08 21:48:11,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:11" (1/1) ... [2020-07-08 21:48:11,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:11" (1/1) ... [2020-07-08 21:48:11,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:11" (1/1) ... [2020-07-08 21:48:11,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:11" (1/1) ... [2020-07-08 21:48:11,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:11" (1/1) ... [2020-07-08 21:48:11,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:11" (1/1) ... [2020-07-08 21:48:11,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 21:48:11,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 21:48:11,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 21:48:11,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 21:48:11,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:11" (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 [2020-07-08 21:48:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 21:48:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 21:48:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-08 21:48:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-07-08 21:48:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2020-07-08 21:48:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-07-08 21:48:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 21:48:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 21:48:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-08 21:48:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-08 21:48:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-07-08 21:48:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 21:48:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-08 21:48:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 21:48:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 21:48:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2020-07-08 21:48:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-07-08 21:48:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 21:48:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 21:48:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 21:48:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 21:48:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-08 21:48:12,433 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 21:48:12,434 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-08 21:48:12,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 09:48:12 BoogieIcfgContainer [2020-07-08 21:48:12,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 21:48:12,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 21:48:12,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 21:48:12,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 21:48:12,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 09:48:11" (1/3) ... [2020-07-08 21:48:12,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5609cb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 09:48:12, skipping insertion in model container [2020-07-08 21:48:12,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:11" (2/3) ... [2020-07-08 21:48:12,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5609cb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 09:48:12, skipping insertion in model container [2020-07-08 21:48:12,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 09:48:12" (3/3) ... [2020-07-08 21:48:12,457 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1232b.c [2020-07-08 21:48:12,468 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 21:48:12,477 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 21:48:12,492 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 21:48:12,519 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 21:48:12,519 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 21:48:12,519 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 21:48:12,520 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 21:48:12,520 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 21:48:12,520 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 21:48:12,520 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 21:48:12,520 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 21:48:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-07-08 21:48:12,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-08 21:48:12,560 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 21:48:12,561 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] [2020-07-08 21:48:12,561 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 21:48:12,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 21:48:12,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1987914920, now seen corresponding path program 1 times [2020-07-08 21:48:12,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 21:48:12,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731808427] [2020-07-08 21:48:12,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 21:48:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:48:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:48:12,797 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 [2020-07-08 21:48:12,798 INFO L280 TraceCheckUtils]: 1: Hoare triple {98#true} #valid := #valid[0 := 0]; {98#true} is VALID [2020-07-08 21:48:12,798 INFO L280 TraceCheckUtils]: 2: Hoare triple {98#true} assume 0 < #StackHeapBarrier; {98#true} is VALID [2020-07-08 21:48:12,799 INFO L280 TraceCheckUtils]: 3: Hoare triple {98#true} assume true; {98#true} is VALID [2020-07-08 21:48:12,800 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {98#true} {98#true} #148#return; {98#true} is VALID [2020-07-08 21:48:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:48:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:48:12,844 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 [2020-07-08 21:48:12,845 INFO L280 TraceCheckUtils]: 1: Hoare triple {98#true} havoc ~msw~0; {98#true} is VALID [2020-07-08 21:48:12,845 INFO L280 TraceCheckUtils]: 2: Hoare triple {98#true} havoc ~lsw~0; {98#true} is VALID [2020-07-08 21:48:12,846 INFO L280 TraceCheckUtils]: 3: Hoare triple {98#true} assume !true; {99#false} is VALID [2020-07-08 21:48:12,846 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 [2020-07-08 21:48:12,847 INFO L280 TraceCheckUtils]: 5: Hoare triple {99#false} #res := 2; {99#false} is VALID [2020-07-08 21:48:12,847 INFO L280 TraceCheckUtils]: 6: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-08 21:48:12,847 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {99#false} {98#true} #152#return; {99#false} is VALID [2020-07-08 21:48:12,848 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 [2020-07-08 21:48:12,848 INFO L280 TraceCheckUtils]: 1: Hoare triple {98#true} ~y := #in~y; {98#true} is VALID [2020-07-08 21:48:12,851 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 [2020-07-08 21:48:12,851 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 [2020-07-08 21:48:12,851 INFO L280 TraceCheckUtils]: 4: Hoare triple {98#true} havoc ~msw~0; {98#true} is VALID [2020-07-08 21:48:12,852 INFO L280 TraceCheckUtils]: 5: Hoare triple {98#true} havoc ~lsw~0; {98#true} is VALID [2020-07-08 21:48:12,853 INFO L280 TraceCheckUtils]: 6: Hoare triple {98#true} assume !true; {99#false} is VALID [2020-07-08 21:48:12,853 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 [2020-07-08 21:48:12,853 INFO L280 TraceCheckUtils]: 8: Hoare triple {99#false} #res := 2; {99#false} is VALID [2020-07-08 21:48:12,854 INFO L280 TraceCheckUtils]: 9: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-08 21:48:12,854 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {99#false} {98#true} #152#return; {99#false} is VALID [2020-07-08 21:48:12,854 INFO L280 TraceCheckUtils]: 11: Hoare triple {99#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {99#false} is VALID [2020-07-08 21:48:12,855 INFO L280 TraceCheckUtils]: 12: Hoare triple {99#false} assume 0 == #t~ret4; {99#false} is VALID [2020-07-08 21:48:12,855 INFO L280 TraceCheckUtils]: 13: Hoare triple {99#false} havoc #t~ret4; {99#false} is VALID [2020-07-08 21:48:12,855 INFO L280 TraceCheckUtils]: 14: Hoare triple {99#false} #res := ~y; {99#false} is VALID [2020-07-08 21:48:12,856 INFO L280 TraceCheckUtils]: 15: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-08 21:48:12,856 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {99#false} {98#true} #144#return; {99#false} is VALID [2020-07-08 21:48:12,859 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 [2020-07-08 21:48:12,860 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 [2020-07-08 21:48:12,860 INFO L280 TraceCheckUtils]: 2: Hoare triple {98#true} #valid := #valid[0 := 0]; {98#true} is VALID [2020-07-08 21:48:12,860 INFO L280 TraceCheckUtils]: 3: Hoare triple {98#true} assume 0 < #StackHeapBarrier; {98#true} is VALID [2020-07-08 21:48:12,861 INFO L280 TraceCheckUtils]: 4: Hoare triple {98#true} assume true; {98#true} is VALID [2020-07-08 21:48:12,861 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {98#true} {98#true} #148#return; {98#true} is VALID [2020-07-08 21:48:12,861 INFO L263 TraceCheckUtils]: 6: Hoare triple {98#true} call #t~ret12 := main(); {98#true} is VALID [2020-07-08 21:48:12,862 INFO L280 TraceCheckUtils]: 7: Hoare triple {98#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {98#true} is VALID [2020-07-08 21:48:12,862 INFO L280 TraceCheckUtils]: 8: Hoare triple {98#true} ~y~0 := 0.0; {98#true} is VALID [2020-07-08 21:48:12,864 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 [2020-07-08 21:48:12,865 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 [2020-07-08 21:48:12,865 INFO L280 TraceCheckUtils]: 11: Hoare triple {98#true} ~y := #in~y; {98#true} is VALID [2020-07-08 21:48:12,867 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 [2020-07-08 21:48:12,867 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 [2020-07-08 21:48:12,867 INFO L280 TraceCheckUtils]: 14: Hoare triple {98#true} havoc ~msw~0; {98#true} is VALID [2020-07-08 21:48:12,868 INFO L280 TraceCheckUtils]: 15: Hoare triple {98#true} havoc ~lsw~0; {98#true} is VALID [2020-07-08 21:48:12,868 INFO L280 TraceCheckUtils]: 16: Hoare triple {98#true} assume !true; {99#false} is VALID [2020-07-08 21:48:12,869 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 [2020-07-08 21:48:12,869 INFO L280 TraceCheckUtils]: 18: Hoare triple {99#false} #res := 2; {99#false} is VALID [2020-07-08 21:48:12,869 INFO L280 TraceCheckUtils]: 19: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-08 21:48:12,870 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {99#false} {98#true} #152#return; {99#false} is VALID [2020-07-08 21:48:12,870 INFO L280 TraceCheckUtils]: 21: Hoare triple {99#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {99#false} is VALID [2020-07-08 21:48:12,870 INFO L280 TraceCheckUtils]: 22: Hoare triple {99#false} assume 0 == #t~ret4; {99#false} is VALID [2020-07-08 21:48:12,871 INFO L280 TraceCheckUtils]: 23: Hoare triple {99#false} havoc #t~ret4; {99#false} is VALID [2020-07-08 21:48:12,871 INFO L280 TraceCheckUtils]: 24: Hoare triple {99#false} #res := ~y; {99#false} is VALID [2020-07-08 21:48:12,871 INFO L280 TraceCheckUtils]: 25: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-08 21:48:12,872 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {99#false} {98#true} #144#return; {99#false} is VALID [2020-07-08 21:48:12,872 INFO L280 TraceCheckUtils]: 27: Hoare triple {99#false} ~res~0 := #t~ret9; {99#false} is VALID [2020-07-08 21:48:12,873 INFO L280 TraceCheckUtils]: 28: Hoare triple {99#false} havoc #t~ret9; {99#false} is VALID [2020-07-08 21:48:12,873 INFO L280 TraceCheckUtils]: 29: Hoare triple {99#false} #t~short11 := ~someBinaryDOUBLEComparisonOperation(~res~0, ~someUnaryDOUBLEoperation(0.0)); {99#false} is VALID [2020-07-08 21:48:12,873 INFO L280 TraceCheckUtils]: 30: Hoare triple {99#false} assume !#t~short11; {99#false} is VALID [2020-07-08 21:48:12,874 INFO L280 TraceCheckUtils]: 31: Hoare triple {99#false} assume !#t~short11; {99#false} is VALID [2020-07-08 21:48:12,874 INFO L280 TraceCheckUtils]: 32: Hoare triple {99#false} havoc #t~ret10; {99#false} is VALID [2020-07-08 21:48:12,875 INFO L280 TraceCheckUtils]: 33: Hoare triple {99#false} havoc #t~short11; {99#false} is VALID [2020-07-08 21:48:12,875 INFO L280 TraceCheckUtils]: 34: Hoare triple {99#false} assume !false; {99#false} is VALID [2020-07-08 21:48:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 21:48:12,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731808427] [2020-07-08 21:48:12,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 21:48:12,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 21:48:12,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916051002] [2020-07-08 21:48:12,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-08 21:48:12,894 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 21:48:12,898 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 21:48:12,964 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 21:48:12,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 21:48:12,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 21:48:12,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 21:48:12,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 21:48:12,978 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 4 states. [2020-07-08 21:48:13,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 21:48:13,672 INFO L93 Difference]: Finished difference Result 176 states and 204 transitions. [2020-07-08 21:48:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 21:48:13,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-08 21:48:13,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 21:48:13,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 21:48:13,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2020-07-08 21:48:13,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 21:48:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2020-07-08 21:48:13,700 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 204 transitions. [2020-07-08 21:48:13,973 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 21:48:13,991 INFO L225 Difference]: With dead ends: 176 [2020-07-08 21:48:13,992 INFO L226 Difference]: Without dead ends: 87 [2020-07-08 21:48:13,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-08 21:48:14,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-07-08 21:48:14,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-07-08 21:48:14,116 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 21:48:14,116 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand 87 states. [2020-07-08 21:48:14,117 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 87 states. [2020-07-08 21:48:14,117 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 87 states. [2020-07-08 21:48:14,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 21:48:14,126 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2020-07-08 21:48:14,126 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-07-08 21:48:14,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 21:48:14,128 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 21:48:14,128 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 87 states. [2020-07-08 21:48:14,129 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 87 states. [2020-07-08 21:48:14,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 21:48:14,136 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2020-07-08 21:48:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-07-08 21:48:14,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 21:48:14,138 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 21:48:14,138 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 21:48:14,138 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 21:48:14,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-08 21:48:14,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2020-07-08 21:48:14,147 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 35 [2020-07-08 21:48:14,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 21:48:14,147 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2020-07-08 21:48:14,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 21:48:14,147 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 87 states and 95 transitions. [2020-07-08 21:48:14,259 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 21:48:14,259 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-07-08 21:48:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-08 21:48:14,261 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 21:48:14,261 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] [2020-07-08 21:48:14,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 21:48:14,262 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 21:48:14,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 21:48:14,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1530124146, now seen corresponding path program 1 times [2020-07-08 21:48:14,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 21:48:14,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199117369] [2020-07-08 21:48:14,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 21:48:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:48:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:48:14,376 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 [2020-07-08 21:48:14,376 INFO L280 TraceCheckUtils]: 1: Hoare triple {837#true} #valid := #valid[0 := 0]; {837#true} is VALID [2020-07-08 21:48:14,376 INFO L280 TraceCheckUtils]: 2: Hoare triple {837#true} assume 0 < #StackHeapBarrier; {837#true} is VALID [2020-07-08 21:48:14,377 INFO L280 TraceCheckUtils]: 3: Hoare triple {837#true} assume true; {837#true} is VALID [2020-07-08 21:48:14,377 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {837#true} {837#true} #148#return; {837#true} is VALID [2020-07-08 21:48:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:48:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:48:14,481 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 [2020-07-08 21:48:14,481 INFO L280 TraceCheckUtils]: 1: Hoare triple {837#true} havoc ~msw~0; {837#true} is VALID [2020-07-08 21:48:14,482 INFO L280 TraceCheckUtils]: 2: Hoare triple {837#true} havoc ~lsw~0; {837#true} is VALID [2020-07-08 21:48:14,482 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 [2020-07-08 21:48:14,482 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 [2020-07-08 21:48:14,483 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 [2020-07-08 21:48:14,483 INFO L280 TraceCheckUtils]: 6: Hoare triple {837#true} ~msw~0 := #t~mem0; {837#true} is VALID [2020-07-08 21:48:14,483 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 [2020-07-08 21:48:14,484 INFO L280 TraceCheckUtils]: 8: Hoare triple {837#true} havoc #t~union1; {837#true} is VALID [2020-07-08 21:48:14,484 INFO L280 TraceCheckUtils]: 9: Hoare triple {837#true} havoc #t~mem0; {837#true} is VALID [2020-07-08 21:48:14,484 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 [2020-07-08 21:48:14,485 INFO L280 TraceCheckUtils]: 11: Hoare triple {837#true} ~lsw~0 := #t~mem2; {837#true} is VALID [2020-07-08 21:48:14,485 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 [2020-07-08 21:48:14,485 INFO L280 TraceCheckUtils]: 13: Hoare triple {837#true} havoc #t~mem2; {837#true} is VALID [2020-07-08 21:48:14,485 INFO L280 TraceCheckUtils]: 14: Hoare triple {837#true} havoc #t~union3; {837#true} is VALID [2020-07-08 21:48:14,486 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 [2020-07-08 21:48:14,486 INFO L280 TraceCheckUtils]: 16: Hoare triple {837#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {837#true} is VALID [2020-07-08 21:48:14,486 INFO L280 TraceCheckUtils]: 17: Hoare triple {837#true} goto; {837#true} is VALID [2020-07-08 21:48:14,487 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 [2020-07-08 21:48:14,488 INFO L280 TraceCheckUtils]: 19: Hoare triple {837#true} #res := 2; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-08 21:48:14,488 INFO L280 TraceCheckUtils]: 20: Hoare triple {900#(<= 2 |__fpclassify_double_#res|)} assume true; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-08 21:48:14,489 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {900#(<= 2 |__fpclassify_double_#res|)} {837#true} #152#return; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-08 21:48:14,490 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 [2020-07-08 21:48:14,491 INFO L280 TraceCheckUtils]: 1: Hoare triple {837#true} ~y := #in~y; {837#true} is VALID [2020-07-08 21:48:14,492 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 [2020-07-08 21:48:14,492 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 [2020-07-08 21:48:14,493 INFO L280 TraceCheckUtils]: 4: Hoare triple {837#true} havoc ~msw~0; {837#true} is VALID [2020-07-08 21:48:14,493 INFO L280 TraceCheckUtils]: 5: Hoare triple {837#true} havoc ~lsw~0; {837#true} is VALID [2020-07-08 21:48:14,493 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 [2020-07-08 21:48:14,494 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 [2020-07-08 21:48:14,494 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 [2020-07-08 21:48:14,494 INFO L280 TraceCheckUtils]: 9: Hoare triple {837#true} ~msw~0 := #t~mem0; {837#true} is VALID [2020-07-08 21:48:14,494 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 [2020-07-08 21:48:14,495 INFO L280 TraceCheckUtils]: 11: Hoare triple {837#true} havoc #t~union1; {837#true} is VALID [2020-07-08 21:48:14,495 INFO L280 TraceCheckUtils]: 12: Hoare triple {837#true} havoc #t~mem0; {837#true} is VALID [2020-07-08 21:48:14,495 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 [2020-07-08 21:48:14,496 INFO L280 TraceCheckUtils]: 14: Hoare triple {837#true} ~lsw~0 := #t~mem2; {837#true} is VALID [2020-07-08 21:48:14,496 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 [2020-07-08 21:48:14,496 INFO L280 TraceCheckUtils]: 16: Hoare triple {837#true} havoc #t~mem2; {837#true} is VALID [2020-07-08 21:48:14,496 INFO L280 TraceCheckUtils]: 17: Hoare triple {837#true} havoc #t~union3; {837#true} is VALID [2020-07-08 21:48:14,497 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 [2020-07-08 21:48:14,497 INFO L280 TraceCheckUtils]: 19: Hoare triple {837#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {837#true} is VALID [2020-07-08 21:48:14,497 INFO L280 TraceCheckUtils]: 20: Hoare triple {837#true} goto; {837#true} is VALID [2020-07-08 21:48:14,498 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 [2020-07-08 21:48:14,499 INFO L280 TraceCheckUtils]: 22: Hoare triple {837#true} #res := 2; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-08 21:48:14,499 INFO L280 TraceCheckUtils]: 23: Hoare triple {900#(<= 2 |__fpclassify_double_#res|)} assume true; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-08 21:48:14,500 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {900#(<= 2 |__fpclassify_double_#res|)} {837#true} #152#return; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-08 21:48:14,501 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 [2020-07-08 21:48:14,502 INFO L280 TraceCheckUtils]: 26: Hoare triple {899#(<= 2 |fmin_double_#t~ret4|)} assume 0 == #t~ret4; {838#false} is VALID [2020-07-08 21:48:14,502 INFO L280 TraceCheckUtils]: 27: Hoare triple {838#false} havoc #t~ret4; {838#false} is VALID [2020-07-08 21:48:14,502 INFO L280 TraceCheckUtils]: 28: Hoare triple {838#false} #res := ~y; {838#false} is VALID [2020-07-08 21:48:14,503 INFO L280 TraceCheckUtils]: 29: Hoare triple {838#false} assume true; {838#false} is VALID [2020-07-08 21:48:14,503 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {838#false} {837#true} #144#return; {838#false} is VALID [2020-07-08 21:48:14,505 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 [2020-07-08 21:48:14,506 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 [2020-07-08 21:48:14,506 INFO L280 TraceCheckUtils]: 2: Hoare triple {837#true} #valid := #valid[0 := 0]; {837#true} is VALID [2020-07-08 21:48:14,506 INFO L280 TraceCheckUtils]: 3: Hoare triple {837#true} assume 0 < #StackHeapBarrier; {837#true} is VALID [2020-07-08 21:48:14,506 INFO L280 TraceCheckUtils]: 4: Hoare triple {837#true} assume true; {837#true} is VALID [2020-07-08 21:48:14,507 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {837#true} {837#true} #148#return; {837#true} is VALID [2020-07-08 21:48:14,507 INFO L263 TraceCheckUtils]: 6: Hoare triple {837#true} call #t~ret12 := main(); {837#true} is VALID [2020-07-08 21:48:14,507 INFO L280 TraceCheckUtils]: 7: Hoare triple {837#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {837#true} is VALID [2020-07-08 21:48:14,508 INFO L280 TraceCheckUtils]: 8: Hoare triple {837#true} ~y~0 := 0.0; {837#true} is VALID [2020-07-08 21:48:14,509 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 [2020-07-08 21:48:14,509 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 [2020-07-08 21:48:14,509 INFO L280 TraceCheckUtils]: 11: Hoare triple {837#true} ~y := #in~y; {837#true} is VALID [2020-07-08 21:48:14,511 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 [2020-07-08 21:48:14,511 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 [2020-07-08 21:48:14,511 INFO L280 TraceCheckUtils]: 14: Hoare triple {837#true} havoc ~msw~0; {837#true} is VALID [2020-07-08 21:48:14,511 INFO L280 TraceCheckUtils]: 15: Hoare triple {837#true} havoc ~lsw~0; {837#true} is VALID [2020-07-08 21:48:14,512 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 [2020-07-08 21:48:14,512 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 [2020-07-08 21:48:14,512 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 [2020-07-08 21:48:14,513 INFO L280 TraceCheckUtils]: 19: Hoare triple {837#true} ~msw~0 := #t~mem0; {837#true} is VALID [2020-07-08 21:48:14,513 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 [2020-07-08 21:48:14,513 INFO L280 TraceCheckUtils]: 21: Hoare triple {837#true} havoc #t~union1; {837#true} is VALID [2020-07-08 21:48:14,513 INFO L280 TraceCheckUtils]: 22: Hoare triple {837#true} havoc #t~mem0; {837#true} is VALID [2020-07-08 21:48:14,514 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 [2020-07-08 21:48:14,514 INFO L280 TraceCheckUtils]: 24: Hoare triple {837#true} ~lsw~0 := #t~mem2; {837#true} is VALID [2020-07-08 21:48:14,515 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 [2020-07-08 21:48:14,515 INFO L280 TraceCheckUtils]: 26: Hoare triple {837#true} havoc #t~mem2; {837#true} is VALID [2020-07-08 21:48:14,515 INFO L280 TraceCheckUtils]: 27: Hoare triple {837#true} havoc #t~union3; {837#true} is VALID [2020-07-08 21:48:14,515 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 [2020-07-08 21:48:14,515 INFO L280 TraceCheckUtils]: 29: Hoare triple {837#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {837#true} is VALID [2020-07-08 21:48:14,516 INFO L280 TraceCheckUtils]: 30: Hoare triple {837#true} goto; {837#true} is VALID [2020-07-08 21:48:14,516 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 [2020-07-08 21:48:14,517 INFO L280 TraceCheckUtils]: 32: Hoare triple {837#true} #res := 2; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-08 21:48:14,518 INFO L280 TraceCheckUtils]: 33: Hoare triple {900#(<= 2 |__fpclassify_double_#res|)} assume true; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-08 21:48:14,519 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {900#(<= 2 |__fpclassify_double_#res|)} {837#true} #152#return; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-08 21:48:14,519 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 [2020-07-08 21:48:14,520 INFO L280 TraceCheckUtils]: 36: Hoare triple {899#(<= 2 |fmin_double_#t~ret4|)} assume 0 == #t~ret4; {838#false} is VALID [2020-07-08 21:48:14,520 INFO L280 TraceCheckUtils]: 37: Hoare triple {838#false} havoc #t~ret4; {838#false} is VALID [2020-07-08 21:48:14,520 INFO L280 TraceCheckUtils]: 38: Hoare triple {838#false} #res := ~y; {838#false} is VALID [2020-07-08 21:48:14,520 INFO L280 TraceCheckUtils]: 39: Hoare triple {838#false} assume true; {838#false} is VALID [2020-07-08 21:48:14,520 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {838#false} {837#true} #144#return; {838#false} is VALID [2020-07-08 21:48:14,521 INFO L280 TraceCheckUtils]: 41: Hoare triple {838#false} ~res~0 := #t~ret9; {838#false} is VALID [2020-07-08 21:48:14,521 INFO L280 TraceCheckUtils]: 42: Hoare triple {838#false} havoc #t~ret9; {838#false} is VALID [2020-07-08 21:48:14,521 INFO L280 TraceCheckUtils]: 43: Hoare triple {838#false} #t~short11 := ~someBinaryDOUBLEComparisonOperation(~res~0, ~someUnaryDOUBLEoperation(0.0)); {838#false} is VALID [2020-07-08 21:48:14,521 INFO L280 TraceCheckUtils]: 44: Hoare triple {838#false} assume !#t~short11; {838#false} is VALID [2020-07-08 21:48:14,522 INFO L280 TraceCheckUtils]: 45: Hoare triple {838#false} assume !#t~short11; {838#false} is VALID [2020-07-08 21:48:14,522 INFO L280 TraceCheckUtils]: 46: Hoare triple {838#false} havoc #t~ret10; {838#false} is VALID [2020-07-08 21:48:14,522 INFO L280 TraceCheckUtils]: 47: Hoare triple {838#false} havoc #t~short11; {838#false} is VALID [2020-07-08 21:48:14,522 INFO L280 TraceCheckUtils]: 48: Hoare triple {838#false} assume !false; {838#false} is VALID [2020-07-08 21:48:14,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 21:48:14,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199117369] [2020-07-08 21:48:14,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 21:48:14,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 21:48:14,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309829994] [2020-07-08 21:48:14,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-08 21:48:14,529 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 21:48:14,529 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 21:48:14,582 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 21:48:14,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 21:48:14,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 21:48:14,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 21:48:14,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 21:48:14,584 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand 6 states. [2020-07-08 21:48:15,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 21:48:15,251 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2020-07-08 21:48:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 21:48:15,252 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-08 21:48:15,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 21:48:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 21:48:15,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 133 transitions. [2020-07-08 21:48:15,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 21:48:15,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 133 transitions. [2020-07-08 21:48:15,270 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 133 transitions. [2020-07-08 21:48:15,424 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 21:48:15,429 INFO L225 Difference]: With dead ends: 123 [2020-07-08 21:48:15,429 INFO L226 Difference]: Without dead ends: 92 [2020-07-08 21:48:15,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-08 21:48:15,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-08 21:48:15,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2020-07-08 21:48:15,514 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 21:48:15,514 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 91 states. [2020-07-08 21:48:15,514 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 91 states. [2020-07-08 21:48:15,514 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 91 states. [2020-07-08 21:48:15,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 21:48:15,520 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2020-07-08 21:48:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-07-08 21:48:15,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 21:48:15,522 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 21:48:15,522 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 92 states. [2020-07-08 21:48:15,522 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 92 states. [2020-07-08 21:48:15,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 21:48:15,527 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2020-07-08 21:48:15,527 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-07-08 21:48:15,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 21:48:15,529 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 21:48:15,529 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 21:48:15,529 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 21:48:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-08 21:48:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2020-07-08 21:48:15,534 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 49 [2020-07-08 21:48:15,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 21:48:15,534 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2020-07-08 21:48:15,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 21:48:15,534 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 91 states and 100 transitions. [2020-07-08 21:48:15,653 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 21:48:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2020-07-08 21:48:15,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-08 21:48:15,656 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 21:48:15,656 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] [2020-07-08 21:48:15,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 21:48:15,656 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 21:48:15,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 21:48:15,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1091693362, now seen corresponding path program 1 times [2020-07-08 21:48:15,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 21:48:15,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183836793] [2020-07-08 21:48:15,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 21:48:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:48:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:48:15,743 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 [2020-07-08 21:48:15,743 INFO L280 TraceCheckUtils]: 1: Hoare triple {1518#true} #valid := #valid[0 := 0]; {1518#true} is VALID [2020-07-08 21:48:15,744 INFO L280 TraceCheckUtils]: 2: Hoare triple {1518#true} assume 0 < #StackHeapBarrier; {1518#true} is VALID [2020-07-08 21:48:15,744 INFO L280 TraceCheckUtils]: 3: Hoare triple {1518#true} assume true; {1518#true} is VALID [2020-07-08 21:48:15,744 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1518#true} {1518#true} #148#return; {1518#true} is VALID [2020-07-08 21:48:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:48:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:48:15,844 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 [2020-07-08 21:48:15,845 INFO L280 TraceCheckUtils]: 1: Hoare triple {1518#true} havoc ~msw~0; {1518#true} is VALID [2020-07-08 21:48:15,845 INFO L280 TraceCheckUtils]: 2: Hoare triple {1518#true} havoc ~lsw~0; {1518#true} is VALID [2020-07-08 21:48:15,845 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 [2020-07-08 21:48:15,846 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 [2020-07-08 21:48:15,846 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 [2020-07-08 21:48:15,846 INFO L280 TraceCheckUtils]: 6: Hoare triple {1518#true} ~msw~0 := #t~mem0; {1518#true} is VALID [2020-07-08 21:48:15,846 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 [2020-07-08 21:48:15,847 INFO L280 TraceCheckUtils]: 8: Hoare triple {1518#true} havoc #t~union1; {1518#true} is VALID [2020-07-08 21:48:15,847 INFO L280 TraceCheckUtils]: 9: Hoare triple {1518#true} havoc #t~mem0; {1518#true} is VALID [2020-07-08 21:48:15,847 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 [2020-07-08 21:48:15,847 INFO L280 TraceCheckUtils]: 11: Hoare triple {1518#true} ~lsw~0 := #t~mem2; {1518#true} is VALID [2020-07-08 21:48:15,848 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 [2020-07-08 21:48:15,848 INFO L280 TraceCheckUtils]: 13: Hoare triple {1518#true} havoc #t~mem2; {1518#true} is VALID [2020-07-08 21:48:15,848 INFO L280 TraceCheckUtils]: 14: Hoare triple {1518#true} havoc #t~union3; {1518#true} is VALID [2020-07-08 21:48:15,848 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 [2020-07-08 21:48:15,849 INFO L280 TraceCheckUtils]: 16: Hoare triple {1518#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {1518#true} is VALID [2020-07-08 21:48:15,849 INFO L280 TraceCheckUtils]: 17: Hoare triple {1518#true} goto; {1518#true} is VALID [2020-07-08 21:48:15,849 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 [2020-07-08 21:48:15,850 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 [2020-07-08 21:48:15,850 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 [2020-07-08 21:48:15,850 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 [2020-07-08 21:48:15,851 INFO L280 TraceCheckUtils]: 22: Hoare triple {1518#true} #res := 1; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-08 21:48:15,852 INFO L280 TraceCheckUtils]: 23: Hoare triple {1587#(= 1 |__fpclassify_double_#res|)} assume true; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-08 21:48:15,853 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {1587#(= 1 |__fpclassify_double_#res|)} {1518#true} #152#return; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-08 21:48:15,853 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 [2020-07-08 21:48:15,854 INFO L280 TraceCheckUtils]: 1: Hoare triple {1518#true} ~y := #in~y; {1518#true} is VALID [2020-07-08 21:48:15,855 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 [2020-07-08 21:48:15,855 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 [2020-07-08 21:48:15,855 INFO L280 TraceCheckUtils]: 4: Hoare triple {1518#true} havoc ~msw~0; {1518#true} is VALID [2020-07-08 21:48:15,856 INFO L280 TraceCheckUtils]: 5: Hoare triple {1518#true} havoc ~lsw~0; {1518#true} is VALID [2020-07-08 21:48:15,856 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 [2020-07-08 21:48:15,856 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 [2020-07-08 21:48:15,856 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 [2020-07-08 21:48:15,857 INFO L280 TraceCheckUtils]: 9: Hoare triple {1518#true} ~msw~0 := #t~mem0; {1518#true} is VALID [2020-07-08 21:48:15,857 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 [2020-07-08 21:48:15,857 INFO L280 TraceCheckUtils]: 11: Hoare triple {1518#true} havoc #t~union1; {1518#true} is VALID [2020-07-08 21:48:15,857 INFO L280 TraceCheckUtils]: 12: Hoare triple {1518#true} havoc #t~mem0; {1518#true} is VALID [2020-07-08 21:48:15,858 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 [2020-07-08 21:48:15,858 INFO L280 TraceCheckUtils]: 14: Hoare triple {1518#true} ~lsw~0 := #t~mem2; {1518#true} is VALID [2020-07-08 21:48:15,858 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 [2020-07-08 21:48:15,858 INFO L280 TraceCheckUtils]: 16: Hoare triple {1518#true} havoc #t~mem2; {1518#true} is VALID [2020-07-08 21:48:15,859 INFO L280 TraceCheckUtils]: 17: Hoare triple {1518#true} havoc #t~union3; {1518#true} is VALID [2020-07-08 21:48:15,859 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 [2020-07-08 21:48:15,859 INFO L280 TraceCheckUtils]: 19: Hoare triple {1518#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {1518#true} is VALID [2020-07-08 21:48:15,860 INFO L280 TraceCheckUtils]: 20: Hoare triple {1518#true} goto; {1518#true} is VALID [2020-07-08 21:48:15,860 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 [2020-07-08 21:48:15,860 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 [2020-07-08 21:48:15,860 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 [2020-07-08 21:48:15,861 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 [2020-07-08 21:48:15,862 INFO L280 TraceCheckUtils]: 25: Hoare triple {1518#true} #res := 1; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-08 21:48:15,862 INFO L280 TraceCheckUtils]: 26: Hoare triple {1587#(= 1 |__fpclassify_double_#res|)} assume true; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-08 21:48:15,863 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1587#(= 1 |__fpclassify_double_#res|)} {1518#true} #152#return; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-08 21:48:15,864 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 [2020-07-08 21:48:15,864 INFO L280 TraceCheckUtils]: 29: Hoare triple {1586#(= 1 |fmin_double_#t~ret4|)} assume 0 == #t~ret4; {1519#false} is VALID [2020-07-08 21:48:15,865 INFO L280 TraceCheckUtils]: 30: Hoare triple {1519#false} havoc #t~ret4; {1519#false} is VALID [2020-07-08 21:48:15,865 INFO L280 TraceCheckUtils]: 31: Hoare triple {1519#false} #res := ~y; {1519#false} is VALID [2020-07-08 21:48:15,865 INFO L280 TraceCheckUtils]: 32: Hoare triple {1519#false} assume true; {1519#false} is VALID [2020-07-08 21:48:15,865 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1519#false} {1518#true} #144#return; {1519#false} is VALID [2020-07-08 21:48:15,867 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 [2020-07-08 21:48:15,868 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 [2020-07-08 21:48:15,868 INFO L280 TraceCheckUtils]: 2: Hoare triple {1518#true} #valid := #valid[0 := 0]; {1518#true} is VALID [2020-07-08 21:48:15,868 INFO L280 TraceCheckUtils]: 3: Hoare triple {1518#true} assume 0 < #StackHeapBarrier; {1518#true} is VALID [2020-07-08 21:48:15,868 INFO L280 TraceCheckUtils]: 4: Hoare triple {1518#true} assume true; {1518#true} is VALID [2020-07-08 21:48:15,869 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1518#true} {1518#true} #148#return; {1518#true} is VALID [2020-07-08 21:48:15,869 INFO L263 TraceCheckUtils]: 6: Hoare triple {1518#true} call #t~ret12 := main(); {1518#true} is VALID [2020-07-08 21:48:15,869 INFO L280 TraceCheckUtils]: 7: Hoare triple {1518#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {1518#true} is VALID [2020-07-08 21:48:15,869 INFO L280 TraceCheckUtils]: 8: Hoare triple {1518#true} ~y~0 := 0.0; {1518#true} is VALID [2020-07-08 21:48:15,870 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 [2020-07-08 21:48:15,871 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 [2020-07-08 21:48:15,871 INFO L280 TraceCheckUtils]: 11: Hoare triple {1518#true} ~y := #in~y; {1518#true} is VALID [2020-07-08 21:48:15,872 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 [2020-07-08 21:48:15,873 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 [2020-07-08 21:48:15,873 INFO L280 TraceCheckUtils]: 14: Hoare triple {1518#true} havoc ~msw~0; {1518#true} is VALID [2020-07-08 21:48:15,873 INFO L280 TraceCheckUtils]: 15: Hoare triple {1518#true} havoc ~lsw~0; {1518#true} is VALID [2020-07-08 21:48:15,873 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 [2020-07-08 21:48:15,874 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 [2020-07-08 21:48:15,874 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 [2020-07-08 21:48:15,874 INFO L280 TraceCheckUtils]: 19: Hoare triple {1518#true} ~msw~0 := #t~mem0; {1518#true} is VALID [2020-07-08 21:48:15,874 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 [2020-07-08 21:48:15,875 INFO L280 TraceCheckUtils]: 21: Hoare triple {1518#true} havoc #t~union1; {1518#true} is VALID [2020-07-08 21:48:15,875 INFO L280 TraceCheckUtils]: 22: Hoare triple {1518#true} havoc #t~mem0; {1518#true} is VALID [2020-07-08 21:48:15,875 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 [2020-07-08 21:48:15,875 INFO L280 TraceCheckUtils]: 24: Hoare triple {1518#true} ~lsw~0 := #t~mem2; {1518#true} is VALID [2020-07-08 21:48:15,876 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 [2020-07-08 21:48:15,876 INFO L280 TraceCheckUtils]: 26: Hoare triple {1518#true} havoc #t~mem2; {1518#true} is VALID [2020-07-08 21:48:15,876 INFO L280 TraceCheckUtils]: 27: Hoare triple {1518#true} havoc #t~union3; {1518#true} is VALID [2020-07-08 21:48:15,876 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 [2020-07-08 21:48:15,877 INFO L280 TraceCheckUtils]: 29: Hoare triple {1518#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {1518#true} is VALID [2020-07-08 21:48:15,877 INFO L280 TraceCheckUtils]: 30: Hoare triple {1518#true} goto; {1518#true} is VALID [2020-07-08 21:48:15,877 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 [2020-07-08 21:48:15,877 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 [2020-07-08 21:48:15,878 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 [2020-07-08 21:48:15,878 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 [2020-07-08 21:48:15,879 INFO L280 TraceCheckUtils]: 35: Hoare triple {1518#true} #res := 1; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-08 21:48:15,879 INFO L280 TraceCheckUtils]: 36: Hoare triple {1587#(= 1 |__fpclassify_double_#res|)} assume true; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-08 21:48:15,880 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1587#(= 1 |__fpclassify_double_#res|)} {1518#true} #152#return; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-08 21:48:15,881 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 [2020-07-08 21:48:15,882 INFO L280 TraceCheckUtils]: 39: Hoare triple {1586#(= 1 |fmin_double_#t~ret4|)} assume 0 == #t~ret4; {1519#false} is VALID [2020-07-08 21:48:15,882 INFO L280 TraceCheckUtils]: 40: Hoare triple {1519#false} havoc #t~ret4; {1519#false} is VALID [2020-07-08 21:48:15,882 INFO L280 TraceCheckUtils]: 41: Hoare triple {1519#false} #res := ~y; {1519#false} is VALID [2020-07-08 21:48:15,883 INFO L280 TraceCheckUtils]: 42: Hoare triple {1519#false} assume true; {1519#false} is VALID [2020-07-08 21:48:15,883 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {1519#false} {1518#true} #144#return; {1519#false} is VALID [2020-07-08 21:48:15,883 INFO L280 TraceCheckUtils]: 44: Hoare triple {1519#false} ~res~0 := #t~ret9; {1519#false} is VALID [2020-07-08 21:48:15,883 INFO L280 TraceCheckUtils]: 45: Hoare triple {1519#false} havoc #t~ret9; {1519#false} is VALID [2020-07-08 21:48:15,884 INFO L280 TraceCheckUtils]: 46: Hoare triple {1519#false} #t~short11 := ~someBinaryDOUBLEComparisonOperation(~res~0, ~someUnaryDOUBLEoperation(0.0)); {1519#false} is VALID [2020-07-08 21:48:15,884 INFO L280 TraceCheckUtils]: 47: Hoare triple {1519#false} assume !#t~short11; {1519#false} is VALID [2020-07-08 21:48:15,884 INFO L280 TraceCheckUtils]: 48: Hoare triple {1519#false} assume !#t~short11; {1519#false} is VALID [2020-07-08 21:48:15,884 INFO L280 TraceCheckUtils]: 49: Hoare triple {1519#false} havoc #t~ret10; {1519#false} is VALID [2020-07-08 21:48:15,885 INFO L280 TraceCheckUtils]: 50: Hoare triple {1519#false} havoc #t~short11; {1519#false} is VALID [2020-07-08 21:48:15,885 INFO L280 TraceCheckUtils]: 51: Hoare triple {1519#false} assume !false; {1519#false} is VALID [2020-07-08 21:48:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 21:48:15,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183836793] [2020-07-08 21:48:15,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 21:48:15,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 21:48:15,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689283372] [2020-07-08 21:48:15,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-07-08 21:48:15,890 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 21:48:15,891 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 21:48:15,947 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 21:48:15,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 21:48:15,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 21:48:15,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 21:48:15,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 21:48:15,948 INFO L87 Difference]: Start difference. First operand 91 states and 100 transitions. Second operand 6 states. [2020-07-08 21:48:16,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 21:48:16,605 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2020-07-08 21:48:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 21:48:16,605 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-07-08 21:48:16,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 21:48:16,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 21:48:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 133 transitions. [2020-07-08 21:48:16,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 21:48:16,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 133 transitions. [2020-07-08 21:48:16,613 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 133 transitions. [2020-07-08 21:48:16,746 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 21:48:16,750 INFO L225 Difference]: With dead ends: 127 [2020-07-08 21:48:16,750 INFO L226 Difference]: Without dead ends: 96 [2020-07-08 21:48:16,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-08 21:48:16,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-07-08 21:48:16,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 91. [2020-07-08 21:48:16,813 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 21:48:16,813 INFO L82 GeneralOperation]: Start isEquivalent. First operand 96 states. Second operand 91 states. [2020-07-08 21:48:16,813 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 91 states. [2020-07-08 21:48:16,814 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 91 states. [2020-07-08 21:48:16,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 21:48:16,819 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2020-07-08 21:48:16,819 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2020-07-08 21:48:16,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 21:48:16,820 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 21:48:16,820 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 96 states. [2020-07-08 21:48:16,820 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 96 states. [2020-07-08 21:48:16,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 21:48:16,825 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2020-07-08 21:48:16,825 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2020-07-08 21:48:16,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 21:48:16,826 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 21:48:16,826 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 21:48:16,826 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 21:48:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-08 21:48:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2020-07-08 21:48:16,831 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 52 [2020-07-08 21:48:16,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 21:48:16,831 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2020-07-08 21:48:16,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 21:48:16,832 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 91 states and 100 transitions. [2020-07-08 21:48:16,931 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 21:48:16,931 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2020-07-08 21:48:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-08 21:48:16,933 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 21:48:16,933 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] [2020-07-08 21:48:16,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 21:48:16,933 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 21:48:16,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 21:48:16,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1804168050, now seen corresponding path program 1 times [2020-07-08 21:48:16,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 21:48:16,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350504126] [2020-07-08 21:48:16,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 21:48:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 21:48:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 21:48:17,105 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 21:48:17,106 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 21:48:17,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 21:48:17,172 WARN L170 areAnnotationChecker]: isnan_doubleENTRY has no Hoare annotation [2020-07-08 21:48:17,173 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 21:48:17,173 WARN L170 areAnnotationChecker]: __fpclassify_doubleENTRY has no Hoare annotation [2020-07-08 21:48:17,173 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 21:48:17,173 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 21:48:17,173 WARN L170 areAnnotationChecker]: __signbit_doubleENTRY has no Hoare annotation [2020-07-08 21:48:17,173 WARN L170 areAnnotationChecker]: fmin_doubleENTRY has no Hoare annotation [2020-07-08 21:48:17,173 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 21:48:17,173 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-08 21:48:17,174 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 21:48:17,174 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-08 21:48:17,174 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 21:48:17,174 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 21:48:17,174 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-08 21:48:17,174 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-08 21:48:17,174 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-08 21:48:17,174 WARN L170 areAnnotationChecker]: isnan_doubleFINAL has no Hoare annotation [2020-07-08 21:48:17,174 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 21:48:17,175 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-08 21:48:17,175 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 21:48:17,175 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-08 21:48:17,175 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-08 21:48:17,175 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-08 21:48:17,175 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-08 21:48:17,175 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-08 21:48:17,175 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-08 21:48:17,175 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 21:48:17,176 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2020-07-08 21:48:17,176 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2020-07-08 21:48:17,176 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-08 21:48:17,176 WARN L170 areAnnotationChecker]: L57-3 has no Hoare annotation [2020-07-08 21:48:17,176 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2020-07-08 21:48:17,176 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-08 21:48:17,176 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 21:48:17,176 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 21:48:17,177 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2020-07-08 21:48:17,177 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2020-07-08 21:48:17,177 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-08 21:48:17,177 WARN L170 areAnnotationChecker]: __signbit_doubleFINAL has no Hoare annotation [2020-07-08 21:48:17,177 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-08 21:48:17,177 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-08 21:48:17,177 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-08 21:48:17,177 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 21:48:17,178 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-08 21:48:17,178 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-08 21:48:17,178 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-08 21:48:17,178 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-08 21:48:17,178 WARN L170 areAnnotationChecker]: __signbit_doubleEXIT has no Hoare annotation [2020-07-08 21:48:17,178 WARN L170 areAnnotationChecker]: L46-3 has no Hoare annotation [2020-07-08 21:48:17,178 WARN L170 areAnnotationChecker]: L46-4 has no Hoare annotation [2020-07-08 21:48:17,178 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-08 21:48:17,179 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-08 21:48:17,179 WARN L170 areAnnotationChecker]: __fpclassify_doubleFINAL has no Hoare annotation [2020-07-08 21:48:17,179 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-08 21:48:17,179 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-08 21:48:17,179 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-08 21:48:17,179 WARN L170 areAnnotationChecker]: L60-1 has no Hoare annotation [2020-07-08 21:48:17,179 WARN L170 areAnnotationChecker]: L79-3 has no Hoare annotation [2020-07-08 21:48:17,179 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-08 21:48:17,180 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-08 21:48:17,180 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-08 21:48:17,180 WARN L170 areAnnotationChecker]: L79-1 has no Hoare annotation [2020-07-08 21:48:17,180 WARN L170 areAnnotationChecker]: L79-1 has no Hoare annotation [2020-07-08 21:48:17,180 WARN L170 areAnnotationChecker]: L24-1 has no Hoare annotation [2020-07-08 21:48:17,180 WARN L170 areAnnotationChecker]: __fpclassify_doubleEXIT has no Hoare annotation [2020-07-08 21:48:17,180 WARN L170 areAnnotationChecker]: __fpclassify_doubleEXIT has no Hoare annotation [2020-07-08 21:48:17,180 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-08 21:48:17,180 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-08 21:48:17,181 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-08 21:48:17,181 WARN L170 areAnnotationChecker]: L60-2 has no Hoare annotation [2020-07-08 21:48:17,181 WARN L170 areAnnotationChecker]: L79-4 has no Hoare annotation [2020-07-08 21:48:17,181 WARN L170 areAnnotationChecker]: fmin_doubleFINAL has no Hoare annotation [2020-07-08 21:48:17,181 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-08 21:48:17,181 WARN L170 areAnnotationChecker]: L79-2 has no Hoare annotation [2020-07-08 21:48:17,181 WARN L170 areAnnotationChecker]: L79-2 has no Hoare annotation [2020-07-08 21:48:17,181 WARN L170 areAnnotationChecker]: L79-6 has no Hoare annotation [2020-07-08 21:48:17,182 WARN L170 areAnnotationChecker]: L79-6 has no Hoare annotation [2020-07-08 21:48:17,182 WARN L170 areAnnotationChecker]: L24-2 has no Hoare annotation [2020-07-08 21:48:17,182 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-08 21:48:17,182 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-08 21:48:17,182 WARN L170 areAnnotationChecker]: L60-3 has no Hoare annotation [2020-07-08 21:48:17,182 WARN L170 areAnnotationChecker]: fmin_doubleEXIT has no Hoare annotation [2020-07-08 21:48:17,182 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-08 21:48:17,182 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-08 21:48:17,182 WARN L170 areAnnotationChecker]: L79-7 has no Hoare annotation [2020-07-08 21:48:17,183 WARN L170 areAnnotationChecker]: L79-9 has no Hoare annotation [2020-07-08 21:48:17,183 WARN L170 areAnnotationChecker]: L24-3 has no Hoare annotation [2020-07-08 21:48:17,183 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2020-07-08 21:48:17,183 WARN L170 areAnnotationChecker]: L48-3 has no Hoare annotation [2020-07-08 21:48:17,183 WARN L170 areAnnotationChecker]: L48-4 has no Hoare annotation [2020-07-08 21:48:17,183 WARN L170 areAnnotationChecker]: L79-8 has no Hoare annotation [2020-07-08 21:48:17,183 WARN L170 areAnnotationChecker]: L79-10 has no Hoare annotation [2020-07-08 21:48:17,183 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 21:48:17,184 WARN L170 areAnnotationChecker]: L58-2 has no Hoare annotation [2020-07-08 21:48:17,184 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-08 21:48:17,184 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-08 21:48:17,184 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-08 21:48:17,184 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-08 21:48:17,184 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-08 21:48:17,184 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-08 21:48:17,185 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-08 21:48:17,185 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-08 21:48:17,185 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-08 21:48:17,185 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-08 21:48:17,185 WARN L170 areAnnotationChecker]: L51-3 has no Hoare annotation [2020-07-08 21:48:17,185 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-08 21:48:17,185 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 21:48:17,186 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-08 21:48:17,186 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-08 21:48:17,186 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 21:48:17,186 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-08 21:48:17,186 WARN L170 areAnnotationChecker]: L51-5 has no Hoare annotation [2020-07-08 21:48:17,186 WARN L170 areAnnotationChecker]: L25-4 has no Hoare annotation [2020-07-08 21:48:17,186 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-08 21:48:17,186 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-08 21:48:17,187 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-08 21:48:17,187 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-08 21:48:17,187 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. [2020-07-08 21:48:17,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 09:48:17 BoogieIcfgContainer [2020-07-08 21:48:17,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 21:48:17,194 INFO L168 Benchmark]: Toolchain (without parser) took 5857.71 ms. Allocated memory was 142.1 MB in the beginning and 282.1 MB in the end (delta: 140.0 MB). Free memory was 104.0 MB in the beginning and 150.2 MB in the end (delta: -46.3 MB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. [2020-07-08 21:48:17,195 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 142.1 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 21:48:17,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.84 ms. Allocated memory was 142.1 MB in the beginning and 203.4 MB in the end (delta: 61.3 MB). Free memory was 103.7 MB in the beginning and 181.5 MB in the end (delta: -77.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2020-07-08 21:48:17,196 INFO L168 Benchmark]: Boogie Preprocessor took 53.92 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 178.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-07-08 21:48:17,197 INFO L168 Benchmark]: RCFGBuilder took 634.77 ms. Allocated memory is still 203.4 MB. Free memory was 178.8 MB in the beginning and 138.5 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2020-07-08 21:48:17,198 INFO L168 Benchmark]: TraceAbstraction took 4743.45 ms. Allocated memory was 203.4 MB in the beginning and 282.1 MB in the end (delta: 78.6 MB). Free memory was 137.9 MB in the beginning and 150.2 MB in the end (delta: -12.4 MB). Peak memory consumption was 66.3 MB. Max. memory is 7.1 GB. [2020-07-08 21:48:17,201 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 0.25 ms. Allocated memory is still 142.1 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 417.84 ms. Allocated memory was 142.1 MB in the beginning and 203.4 MB in the end (delta: 61.3 MB). Free memory was 103.7 MB in the beginning and 181.5 MB in the end (delta: -77.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.92 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 178.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 634.77 ms. Allocated memory is still 203.4 MB. Free memory was 178.8 MB in the beginning and 138.5 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4743.45 ms. Allocated memory was 203.4 MB in the beginning and 282.1 MB in the end (delta: 78.6 MB). Free memory was 137.9 MB in the beginning and 150.2 MB in the end (delta: -12.4 MB). Peak memory consumption was 66.3 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; VAL [y=0] [L76] CALL, EXPR fmin_double(x, y) VAL [\old(x)=2147483650, \old(y)=0] [L46] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=2147483650] [L19] __uint32_t msw, lsw; VAL [\old(x)=2147483650, x=2147483650] [L22] ieee_double_shape_type ew_u; VAL [\old(x)=2147483650, ew_u={2:0}, x=2147483650] [L23] ew_u.value = (x) VAL [\old(x)=2147483650, ew_u={2:0}, x=2147483650] [L24] EXPR ew_u.parts.msw VAL [\old(x)=2147483650, ew_u={2:0}, ew_u.parts.msw=2147483647, x=2147483650] [L24] (msw) = ew_u.parts.msw VAL [\old(x)=2147483650, ew_u={2:0}, ew_u.parts.msw=2147483647, msw=2147483647, x=2147483650] [L25] EXPR ew_u.parts.lsw VAL [\old(x)=2147483650, ew_u={2:0}, ew_u.parts.lsw=3, msw=2147483647, x=2147483650] [L25] (lsw) = ew_u.parts.lsw VAL [(lsw) = ew_u.parts.lsw=2147483654, \old(x)=2147483650, ew_u={2:0}, ew_u.parts.lsw=3, lsw=3, msw=2147483647, x=2147483650] [L28-L29] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) VAL [\old(x)=2147483650, lsw=3, msw=2147483647, x=2147483650] [L31-L32] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) VAL [\old(x)=2147483650, lsw=3, msw=2147483647, x=2147483650] [L34-L35] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) VAL [\old(x)=2147483650, lsw=3, msw=2147483647, x=2147483650] [L38-L39] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) VAL [\old(x)=2147483650, lsw=3, msw=2147483647, x=2147483650] [L42] return 0; VAL [\old(x)=2147483650, \result=0, lsw=3, msw=2147483647, x=2147483650] [L46] RET, EXPR __fpclassify_double(x) VAL [\old(x)=2147483650, \old(y)=0, __fpclassify_double(x)=0, x=2147483650, y=0] [L46] COND TRUE __fpclassify_double(x) == 0 VAL [\old(x)=2147483650, \old(y)=0, __fpclassify_double(x)=0, x=2147483650, y=0] [L47] return y; VAL [\old(x)=2147483650, \old(y)=0, \result=0, x=2147483650, y=0] [L76] RET, EXPR fmin_double(x, y) VAL [fmin_double(x, y)=0, x=2147483650, y=0] [L76] double res = fmin_double(x, y); VAL [fmin_double(x, y)=0, res=0, x=2147483650, y=0] [L79] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=0, res == -0.0 && __signbit_double(res) == 1=0, x=2147483650, y=0] [L79] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) VAL [res=0, res == -0.0 && __signbit_double(res) == 1=0, x=2147483650, y=0] [L80] __VERIFIER_error() VAL [res=0, x=2147483650, y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.6s, 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, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 11242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...