/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1091.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 14:40:19,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 14:40:19,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 14:40:19,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 14:40:19,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 14:40:19,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 14:40:19,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 14:40:19,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 14:40:19,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 14:40:19,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 14:40:19,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 14:40:19,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 14:40:19,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 14:40:19,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 14:40:19,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 14:40:19,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 14:40:19,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 14:40:19,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 14:40:19,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 14:40:19,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 14:40:19,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 14:40:19,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 14:40:19,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 14:40:19,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 14:40:19,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 14:40:19,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 14:40:19,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 14:40:19,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 14:40:19,109 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 14:40:19,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 14:40:19,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 14:40:19,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 14:40:19,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 14:40:19,125 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 14:40:19,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 14:40:19,126 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 14:40:19,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 14:40:19,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 14:40:19,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 14:40:19,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 14:40:19,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 14:40:19,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 14:40:19,127 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 14:40:19,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 14:40:19,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 14:40:19,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 14:40:19,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 14:40:19,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 14:40:19,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 14:40:19,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 14:40:19,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:40:19,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 14:40:19,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 14:40:19,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 14:40:19,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 14:40:19,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 14:40:19,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 14:40:19,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 14:40:19,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 14:40:19,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 14:40:19,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 14:40:19,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 14:40:19,442 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 14:40:19,443 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 14:40:19,443 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1091.c [2020-07-10 14:40:19,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b980d61/49b1808778e44a6c83cc32041b7276d6/FLAGce6e0d010 [2020-07-10 14:40:20,007 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 14:40:20,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1091.c [2020-07-10 14:40:20,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b980d61/49b1808778e44a6c83cc32041b7276d6/FLAGce6e0d010 [2020-07-10 14:40:20,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b980d61/49b1808778e44a6c83cc32041b7276d6 [2020-07-10 14:40:20,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 14:40:20,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 14:40:20,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 14:40:20,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 14:40:20,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 14:40:20,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:40:20" (1/1) ... [2020-07-10 14:40:20,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f6b2cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:20, skipping insertion in model container [2020-07-10 14:40:20,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:40:20" (1/1) ... [2020-07-10 14:40:20,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 14:40:20,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 14:40:20,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:40:20,667 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 14:40:20,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:40:20,729 INFO L208 MainTranslator]: Completed translation [2020-07-10 14:40:20,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:20 WrapperNode [2020-07-10 14:40:20,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 14:40:20,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 14:40:20,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 14:40:20,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 14:40:20,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:20" (1/1) ... [2020-07-10 14:40:20,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:20" (1/1) ... [2020-07-10 14:40:20,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:20" (1/1) ... [2020-07-10 14:40:20,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:20" (1/1) ... [2020-07-10 14:40:20,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:20" (1/1) ... [2020-07-10 14:40:20,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:20" (1/1) ... [2020-07-10 14:40:20,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:20" (1/1) ... [2020-07-10 14:40:20,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 14:40:20,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 14:40:20,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 14:40:20,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 14:40:20,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:20" (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 [2020-07-10 14:40:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 14:40:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 14:40:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-10 14:40:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2020-07-10 14:40:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 14:40:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 14:40:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-10 14:40:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2020-07-10 14:40:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 14:40:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 14:40:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 14:40:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 14:40:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 14:40:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 14:40:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 14:40:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 14:40:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 14:40:21,533 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 14:40:21,533 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-10 14:40:21,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:40:21 BoogieIcfgContainer [2020-07-10 14:40:21,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 14:40:21,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 14:40:21,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 14:40:21,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 14:40:21,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:40:20" (1/3) ... [2020-07-10 14:40:21,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6866553d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:40:21, skipping insertion in model container [2020-07-10 14:40:21,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:20" (2/3) ... [2020-07-10 14:40:21,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6866553d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:40:21, skipping insertion in model container [2020-07-10 14:40:21,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:40:21" (3/3) ... [2020-07-10 14:40:21,548 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1091.c [2020-07-10 14:40:21,558 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 14:40:21,565 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 14:40:21,577 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 14:40:21,600 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 14:40:21,600 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 14:40:21,601 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 14:40:21,601 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 14:40:21,601 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 14:40:21,602 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 14:40:21,602 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 14:40:21,602 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 14:40:21,622 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-07-10 14:40:21,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-10 14:40:21,629 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:40:21,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:40:21,631 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:40:21,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:40:21,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1881433434, now seen corresponding path program 1 times [2020-07-10 14:40:21,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:40:21,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740207604] [2020-07-10 14:40:21,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:40:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:40:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:40:21,877 INFO L280 TraceCheckUtils]: 0: Hoare triple {66#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~huge_ceil~0 := 1.0E300; {50#true} is VALID [2020-07-10 14:40:21,878 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#true} assume true; {50#true} is VALID [2020-07-10 14:40:21,879 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {50#true} {50#true} #129#return; {50#true} is VALID [2020-07-10 14:40:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:40:21,914 INFO L280 TraceCheckUtils]: 0: Hoare triple {67#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~i0~0;havoc ~i1~0;havoc ~j0~0;havoc ~i~0;havoc ~j~0; {50#true} is VALID [2020-07-10 14:40:21,916 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#true} assume !true; {51#false} is VALID [2020-07-10 14:40:21,916 INFO L280 TraceCheckUtils]: 2: Hoare triple {51#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {51#false} is VALID [2020-07-10 14:40:21,917 INFO L280 TraceCheckUtils]: 3: Hoare triple {51#false} assume ~j0~0 < 20; {51#false} is VALID [2020-07-10 14:40:21,917 INFO L280 TraceCheckUtils]: 4: Hoare triple {51#false} assume !(~j0~0 < 0);~i~0 := ~shiftRight(1048575, ~j0~0); {51#false} is VALID [2020-07-10 14:40:21,918 INFO L280 TraceCheckUtils]: 5: Hoare triple {51#false} assume 0 == ~bitwiseOr(~bitwiseAnd(~i0~0, ~i~0), ~i1~0) % 4294967296;#res := ~x; {51#false} is VALID [2020-07-10 14:40:21,918 INFO L280 TraceCheckUtils]: 6: Hoare triple {51#false} assume true; {51#false} is VALID [2020-07-10 14:40:21,918 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {51#false} {50#true} #133#return; {51#false} is VALID [2020-07-10 14:40:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:40:21,931 INFO L280 TraceCheckUtils]: 0: Hoare triple {50#true} ~x := #in~x;#res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {50#true} is VALID [2020-07-10 14:40:21,931 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#true} assume true; {50#true} is VALID [2020-07-10 14:40:21,932 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {50#true} {51#false} #135#return; {51#false} is VALID [2020-07-10 14:40:21,934 INFO L263 TraceCheckUtils]: 0: Hoare triple {50#true} call ULTIMATE.init(); {66#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} is VALID [2020-07-10 14:40:21,935 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~huge_ceil~0 := 1.0E300; {50#true} is VALID [2020-07-10 14:40:21,935 INFO L280 TraceCheckUtils]: 2: Hoare triple {50#true} assume true; {50#true} is VALID [2020-07-10 14:40:21,935 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {50#true} {50#true} #129#return; {50#true} is VALID [2020-07-10 14:40:21,936 INFO L263 TraceCheckUtils]: 4: Hoare triple {50#true} call #t~ret8 := main(); {50#true} is VALID [2020-07-10 14:40:21,936 INFO L280 TraceCheckUtils]: 5: Hoare triple {50#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); {50#true} is VALID [2020-07-10 14:40:21,938 INFO L263 TraceCheckUtils]: 6: Hoare triple {50#true} call #t~ret6 := ceil_double(~x~0); {67#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 14:40:21,939 INFO L280 TraceCheckUtils]: 7: Hoare triple {67#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~i0~0;havoc ~i1~0;havoc ~j0~0;havoc ~i~0;havoc ~j~0; {50#true} is VALID [2020-07-10 14:40:21,940 INFO L280 TraceCheckUtils]: 8: Hoare triple {50#true} assume !true; {51#false} is VALID [2020-07-10 14:40:21,940 INFO L280 TraceCheckUtils]: 9: Hoare triple {51#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {51#false} is VALID [2020-07-10 14:40:21,940 INFO L280 TraceCheckUtils]: 10: Hoare triple {51#false} assume ~j0~0 < 20; {51#false} is VALID [2020-07-10 14:40:21,941 INFO L280 TraceCheckUtils]: 11: Hoare triple {51#false} assume !(~j0~0 < 0);~i~0 := ~shiftRight(1048575, ~j0~0); {51#false} is VALID [2020-07-10 14:40:21,941 INFO L280 TraceCheckUtils]: 12: Hoare triple {51#false} assume 0 == ~bitwiseOr(~bitwiseAnd(~i0~0, ~i~0), ~i1~0) % 4294967296;#res := ~x; {51#false} is VALID [2020-07-10 14:40:21,941 INFO L280 TraceCheckUtils]: 13: Hoare triple {51#false} assume true; {51#false} is VALID [2020-07-10 14:40:21,942 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {51#false} {50#true} #133#return; {51#false} is VALID [2020-07-10 14:40:21,942 INFO L280 TraceCheckUtils]: 15: Hoare triple {51#false} ~res~0 := #t~ret6;havoc #t~ret6; {51#false} is VALID [2020-07-10 14:40:21,942 INFO L263 TraceCheckUtils]: 16: Hoare triple {51#false} call #t~ret7 := isnan_double(~res~0); {50#true} is VALID [2020-07-10 14:40:21,943 INFO L280 TraceCheckUtils]: 17: Hoare triple {50#true} ~x := #in~x;#res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {50#true} is VALID [2020-07-10 14:40:21,943 INFO L280 TraceCheckUtils]: 18: Hoare triple {50#true} assume true; {50#true} is VALID [2020-07-10 14:40:21,943 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {50#true} {51#false} #135#return; {51#false} is VALID [2020-07-10 14:40:21,944 INFO L280 TraceCheckUtils]: 20: Hoare triple {51#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {51#false} is VALID [2020-07-10 14:40:21,944 INFO L280 TraceCheckUtils]: 21: Hoare triple {51#false} assume 0 == #t~ret7;havoc #t~ret7; {51#false} is VALID [2020-07-10 14:40:21,944 INFO L280 TraceCheckUtils]: 22: Hoare triple {51#false} assume !false; {51#false} is VALID [2020-07-10 14:40:21,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 14:40:21,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740207604] [2020-07-10 14:40:21,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 14:40:21,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 14:40:21,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767353569] [2020-07-10 14:40:21,959 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-10 14:40:21,962 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:40:21,966 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 14:40:22,009 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:40:22,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 14:40:22,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:40:22,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 14:40:22,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 14:40:22,023 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 4 states. [2020-07-10 14:40:22,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:40:22,590 INFO L93 Difference]: Finished difference Result 86 states and 124 transitions. [2020-07-10 14:40:22,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 14:40:22,590 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-10 14:40:22,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:40:22,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:40:22,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 124 transitions. [2020-07-10 14:40:22,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:40:22,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 124 transitions. [2020-07-10 14:40:22,615 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 124 transitions. [2020-07-10 14:40:22,804 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:40:22,817 INFO L225 Difference]: With dead ends: 86 [2020-07-10 14:40:22,818 INFO L226 Difference]: Without dead ends: 43 [2020-07-10 14:40:22,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 14:40:22,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-07-10 14:40:22,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-07-10 14:40:22,885 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:40:22,885 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 43 states. [2020-07-10 14:40:22,886 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2020-07-10 14:40:22,886 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2020-07-10 14:40:22,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:40:22,892 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2020-07-10 14:40:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2020-07-10 14:40:22,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:40:22,893 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:40:22,893 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2020-07-10 14:40:22,893 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2020-07-10 14:40:22,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:40:22,898 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2020-07-10 14:40:22,899 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2020-07-10 14:40:22,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:40:22,900 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:40:22,900 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:40:22,900 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:40:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-10 14:40:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2020-07-10 14:40:22,906 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 23 [2020-07-10 14:40:22,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:40:22,906 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2020-07-10 14:40:22,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 14:40:22,906 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2020-07-10 14:40:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-10 14:40:22,908 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:40:22,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:40:22,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 14:40:22,909 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:40:22,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:40:22,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1135906069, now seen corresponding path program 1 times [2020-07-10 14:40:22,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:40:22,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855845551] [2020-07-10 14:40:22,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:40:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:40:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:40:23,138 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 14:40:23,138 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 14:40:23,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 14:40:23,175 WARN L170 areAnnotationChecker]: isnan_doubleENTRY has no Hoare annotation [2020-07-10 14:40:23,175 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 14:40:23,175 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:40:23,175 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:40:23,175 WARN L170 areAnnotationChecker]: ceil_doubleENTRY has no Hoare annotation [2020-07-10 14:40:23,176 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 14:40:23,176 WARN L170 areAnnotationChecker]: isnan_doubleFINAL has no Hoare annotation [2020-07-10 14:40:23,176 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 14:40:23,176 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:40:23,176 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:40:23,176 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-10 14:40:23,177 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-10 14:40:23,177 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-10 14:40:23,177 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-10 14:40:23,177 WARN L170 areAnnotationChecker]: isnan_doubleEXIT has no Hoare annotation [2020-07-10 14:40:23,177 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 14:40:23,177 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 14:40:23,178 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-10 14:40:23,178 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-10 14:40:23,178 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-10 14:40:23,178 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-10 14:40:23,178 WARN L170 areAnnotationChecker]: L94-1 has no Hoare annotation [2020-07-10 14:40:23,178 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-10 14:40:23,178 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-10 14:40:23,179 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-10 14:40:23,179 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-10 14:40:23,179 WARN L170 areAnnotationChecker]: L94-2 has no Hoare annotation [2020-07-10 14:40:23,179 WARN L170 areAnnotationChecker]: L94-2 has no Hoare annotation [2020-07-10 14:40:23,179 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-10 14:40:23,179 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-10 14:40:23,180 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-10 14:40:23,180 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-10 14:40:23,180 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-10 14:40:23,180 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-10 14:40:23,180 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 14:40:23,180 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-10 14:40:23,181 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-10 14:40:23,181 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-10 14:40:23,181 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-10 14:40:23,181 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-10 14:40:23,181 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-10 14:40:23,181 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-10 14:40:23,181 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-10 14:40:23,182 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 14:40:23,182 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-10 14:40:23,182 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-10 14:40:23,182 WARN L170 areAnnotationChecker]: L74-1 has no Hoare annotation [2020-07-10 14:40:23,182 WARN L170 areAnnotationChecker]: L74-1 has no Hoare annotation [2020-07-10 14:40:23,183 WARN L170 areAnnotationChecker]: ceil_doubleFINAL has no Hoare annotation [2020-07-10 14:40:23,183 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-10 14:40:23,183 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-10 14:40:23,183 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-10 14:40:23,183 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-10 14:40:23,183 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-10 14:40:23,183 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-10 14:40:23,184 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-10 14:40:23,184 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-10 14:40:23,184 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2020-07-10 14:40:23,184 WARN L170 areAnnotationChecker]: ceil_doubleEXIT has no Hoare annotation [2020-07-10 14:40:23,184 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-10 14:40:23,184 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-10 14:40:23,184 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-10 14:40:23,185 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-10 14:40:23,185 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-10 14:40:23,185 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2020-07-10 14:40:23,185 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2020-07-10 14:40:23,185 WARN L170 areAnnotationChecker]: L61-1 has no Hoare annotation [2020-07-10 14:40:23,185 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-10 14:40:23,186 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-10 14:40:23,186 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-10 14:40:23,186 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. [2020-07-10 14:40:23,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:40:23 BoogieIcfgContainer [2020-07-10 14:40:23,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 14:40:23,196 INFO L168 Benchmark]: Toolchain (without parser) took 2759.28 ms. Allocated memory was 141.6 MB in the beginning and 224.9 MB in the end (delta: 83.4 MB). Free memory was 99.2 MB in the beginning and 114.8 MB in the end (delta: -15.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB. [2020-07-10 14:40:23,197 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-10 14:40:23,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.16 ms. Allocated memory is still 141.6 MB. Free memory was 98.9 MB in the beginning and 86.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-07-10 14:40:23,199 INFO L168 Benchmark]: Boogie Preprocessor took 167.40 ms. Allocated memory was 141.6 MB in the beginning and 198.7 MB in the end (delta: 57.1 MB). Free memory was 86.8 MB in the beginning and 174.9 MB in the end (delta: -88.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-10 14:40:23,200 INFO L168 Benchmark]: RCFGBuilder took 639.95 ms. Allocated memory is still 198.7 MB. Free memory was 174.9 MB in the beginning and 139.4 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2020-07-10 14:40:23,201 INFO L168 Benchmark]: TraceAbstraction took 1653.31 ms. Allocated memory was 198.7 MB in the beginning and 224.9 MB in the end (delta: 26.2 MB). Free memory was 138.7 MB in the beginning and 114.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 50.0 MB. Max. memory is 7.1 GB. [2020-07-10 14:40:23,206 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 292.16 ms. Allocated memory is still 141.6 MB. Free memory was 98.9 MB in the beginning and 86.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 167.40 ms. Allocated memory was 141.6 MB in the beginning and 198.7 MB in the end (delta: 57.1 MB). Free memory was 86.8 MB in the beginning and 174.9 MB in the end (delta: -88.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 639.95 ms. Allocated memory is still 198.7 MB. Free memory was 174.9 MB in the beginning and 139.4 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1653.31 ms. Allocated memory was 198.7 MB in the beginning and 224.9 MB in the end (delta: 26.2 MB). Free memory was 138.7 MB in the beginning and 114.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 50.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 95]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 41, overapproximation of bitwiseOr at line 42, overapproximation of someBinaryArithmeticDOUBLEoperation at line 90, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [\old(huge_ceil)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L90] double x = 0.0 / 0.0; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] CALL, EXPR ceil_double(x) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-1, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L29] COND TRUE j0 < 20 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-1, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L30] COND FALSE !(j0 < 0) [L41] i = (0x000fffff) >> j0 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-1, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L42] COND TRUE ((i0 & i) | i1) == 0 [L43] return x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, \result=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-1, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L91] RET, EXPR ceil_double(x) VAL [ceil_double(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L91] double res = ceil_double(x); [L94] CALL, EXPR isnan_double(res) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L15] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, \result=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L94] RET, EXPR isnan_double(res) VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] [L94] COND TRUE !isnan_double(res) [L95] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 56 SDtfs, 52 SDslu, 5 SDs, 0 SdLazy, 58 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1012 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...