/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_1092b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:04:02,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:04:02,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:04:02,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:04:02,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:04:02,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:04:02,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:04:02,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:04:02,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:04:02,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:04:02,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:04:02,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:04:02,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:04:02,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:04:02,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:04:02,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:04:02,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:04:02,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:04:02,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:04:02,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:04:02,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:04:02,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:04:02,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:04:02,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:04:02,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:04:02,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:04:02,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:04:02,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:04:02,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 22:04:02,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:04:02,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:04:02,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:04:02,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:04:02,344 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:04:02,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:04:02,345 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:04:02,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:04:02,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:04:02,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:04:02,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:04:02,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:04:02,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:04:02,346 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:04:02,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:04:02,347 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:04:02,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:04:02,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:04:02,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:04:02,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:04:02,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:04:02,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:04:02,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:04:02,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:04:02,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:04:02,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:04:02,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:04:02,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:04:02,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:04:02,350 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:04:02,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:04:02,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:04:02,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:04:02,661 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:04:02,661 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:04:02,662 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092b.c [2020-07-17 22:04:02,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75bf4e044/d76bb19a63e5424c9b0de72936c25a54/FLAG87bdba8a7 [2020-07-17 22:04:03,191 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:04:03,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1092b.c [2020-07-17 22:04:03,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75bf4e044/d76bb19a63e5424c9b0de72936c25a54/FLAG87bdba8a7 [2020-07-17 22:04:03,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75bf4e044/d76bb19a63e5424c9b0de72936c25a54 [2020-07-17 22:04:03,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:04:03,616 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:04:03,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:04:03,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:04:03,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:04:03,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:04:03" (1/1) ... [2020-07-17 22:04:03,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483fb193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:03, skipping insertion in model container [2020-07-17 22:04:03,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:04:03" (1/1) ... [2020-07-17 22:04:03,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:04:03,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:04:03,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:04:03,880 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:04:04,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:04:04,032 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:04:04,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:04 WrapperNode [2020-07-17 22:04:04,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:04:04,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:04:04,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:04:04,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:04:04,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:04" (1/1) ... [2020-07-17 22:04:04,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:04" (1/1) ... [2020-07-17 22:04:04,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:04" (1/1) ... [2020-07-17 22:04:04,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:04" (1/1) ... [2020-07-17 22:04:04,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:04" (1/1) ... [2020-07-17 22:04:04,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:04" (1/1) ... [2020-07-17 22:04:04,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:04" (1/1) ... [2020-07-17 22:04:04,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:04:04,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:04:04,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:04:04,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:04:04,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:04:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:04:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:04:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-17 22:04:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2020-07-17 22:04:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:04:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:04:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-17 22:04:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2020-07-17 22:04:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:04:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 22:04:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:04:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:04:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:04:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 22:04:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:04:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:04:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:04:04,661 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:04:04,661 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-17 22:04:04,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:04:04 BoogieIcfgContainer [2020-07-17 22:04:04,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:04:04,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:04:04,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:04:04,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:04:04,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:04:03" (1/3) ... [2020-07-17 22:04:04,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461339a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:04:04, skipping insertion in model container [2020-07-17 22:04:04,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:04:04" (2/3) ... [2020-07-17 22:04:04,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461339a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:04:04, skipping insertion in model container [2020-07-17 22:04:04,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:04:04" (3/3) ... [2020-07-17 22:04:04,674 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b.c [2020-07-17 22:04:04,684 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:04:04,692 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:04:04,705 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:04:04,727 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:04:04,727 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:04:04,727 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:04:04,727 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:04:04,728 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:04:04,728 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:04:04,728 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:04:04,728 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:04:04,744 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-07-17 22:04:04,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-17 22:04:04,751 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:04:04,751 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:04:04,752 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:04:04,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:04:04,757 INFO L82 PathProgramCache]: Analyzing trace with hash -321966810, now seen corresponding path program 1 times [2020-07-17 22:04:04,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:04:04,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734986384] [2020-07-17 22:04:04,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:04:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:04:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:04:04,955 INFO L280 TraceCheckUtils]: 0: Hoare triple {58#(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; {45#true} is VALID [2020-07-17 22:04:04,956 INFO L280 TraceCheckUtils]: 1: Hoare triple {45#true} assume true; {45#true} is VALID [2020-07-17 22:04:04,956 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {45#true} {45#true} #127#return; {45#true} is VALID [2020-07-17 22:04:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:04:04,987 INFO L280 TraceCheckUtils]: 0: Hoare triple {59#(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; {45#true} is VALID [2020-07-17 22:04:04,988 INFO L280 TraceCheckUtils]: 1: Hoare triple {45#true} assume !true; {46#false} is VALID [2020-07-17 22:04:04,989 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {46#false} is VALID [2020-07-17 22:04:04,989 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#false} assume ~j0~0 < 20; {46#false} is VALID [2020-07-17 22:04:04,990 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#false} assume !(~j0~0 < 0);~i~0 := ~shiftRight(1048575, ~j0~0); {46#false} is VALID [2020-07-17 22:04:04,990 INFO L280 TraceCheckUtils]: 5: Hoare triple {46#false} assume 0 == ~bitwiseOr(~bitwiseAnd(~i0~0, ~i~0), ~i1~0) % 4294967296;#res := ~x; {46#false} is VALID [2020-07-17 22:04:04,990 INFO L280 TraceCheckUtils]: 6: Hoare triple {46#false} assume true; {46#false} is VALID [2020-07-17 22:04:04,991 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {46#false} {45#true} #131#return; {46#false} is VALID [2020-07-17 22:04:04,993 INFO L263 TraceCheckUtils]: 0: Hoare triple {45#true} call ULTIMATE.init(); {58#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} is VALID [2020-07-17 22:04:04,993 INFO L280 TraceCheckUtils]: 1: Hoare triple {58#(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; {45#true} is VALID [2020-07-17 22:04:04,994 INFO L280 TraceCheckUtils]: 2: Hoare triple {45#true} assume true; {45#true} is VALID [2020-07-17 22:04:04,994 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {45#true} {45#true} #127#return; {45#true} is VALID [2020-07-17 22:04:04,995 INFO L263 TraceCheckUtils]: 4: Hoare triple {45#true} call #t~ret7 := main(); {45#true} is VALID [2020-07-17 22:04:04,995 INFO L280 TraceCheckUtils]: 5: Hoare triple {45#true} ~x~0 := 0.0; {45#true} is VALID [2020-07-17 22:04:04,998 INFO L263 TraceCheckUtils]: 6: Hoare triple {45#true} call #t~ret6 := ceil_double(~x~0); {59#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:04:04,998 INFO L280 TraceCheckUtils]: 7: Hoare triple {59#(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; {45#true} is VALID [2020-07-17 22:04:04,999 INFO L280 TraceCheckUtils]: 8: Hoare triple {45#true} assume !true; {46#false} is VALID [2020-07-17 22:04:04,999 INFO L280 TraceCheckUtils]: 9: Hoare triple {46#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {46#false} is VALID [2020-07-17 22:04:05,000 INFO L280 TraceCheckUtils]: 10: Hoare triple {46#false} assume ~j0~0 < 20; {46#false} is VALID [2020-07-17 22:04:05,000 INFO L280 TraceCheckUtils]: 11: Hoare triple {46#false} assume !(~j0~0 < 0);~i~0 := ~shiftRight(1048575, ~j0~0); {46#false} is VALID [2020-07-17 22:04:05,000 INFO L280 TraceCheckUtils]: 12: Hoare triple {46#false} assume 0 == ~bitwiseOr(~bitwiseAnd(~i0~0, ~i~0), ~i1~0) % 4294967296;#res := ~x; {46#false} is VALID [2020-07-17 22:04:05,001 INFO L280 TraceCheckUtils]: 13: Hoare triple {46#false} assume true; {46#false} is VALID [2020-07-17 22:04:05,001 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {46#false} {45#true} #131#return; {46#false} is VALID [2020-07-17 22:04:05,001 INFO L280 TraceCheckUtils]: 15: Hoare triple {46#false} ~res~0 := #t~ret6;havoc #t~ret6; {46#false} is VALID [2020-07-17 22:04:05,002 INFO L280 TraceCheckUtils]: 16: Hoare triple {46#false} assume ~someBinaryDOUBLEComparisonOperation(~res~0, ~x~0); {46#false} is VALID [2020-07-17 22:04:05,002 INFO L280 TraceCheckUtils]: 17: Hoare triple {46#false} assume !false; {46#false} is VALID [2020-07-17 22:04:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:04:05,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734986384] [2020-07-17 22:04:05,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:04:05,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:04:05,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606165701] [2020-07-17 22:04:05,015 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-17 22:04:05,017 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:04:05,021 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:04:05,061 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:04:05,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:04:05,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:04:05,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:04:05,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:04:05,074 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2020-07-17 22:04:05,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:04:05,490 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2020-07-17 22:04:05,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 22:04:05,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-17 22:04:05,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:04:05,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:04:05,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2020-07-17 22:04:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:04:05,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2020-07-17 22:04:05,511 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 114 transitions. [2020-07-17 22:04:05,666 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:04:05,679 INFO L225 Difference]: With dead ends: 76 [2020-07-17 22:04:05,680 INFO L226 Difference]: Without dead ends: 38 [2020-07-17 22:04:05,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:04:05,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-07-17 22:04:05,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-07-17 22:04:05,736 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:04:05,736 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand 38 states. [2020-07-17 22:04:05,737 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-17 22:04:05,737 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-17 22:04:05,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:04:05,742 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2020-07-17 22:04:05,742 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-07-17 22:04:05,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:04:05,743 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:04:05,743 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-17 22:04:05,744 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-17 22:04:05,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:04:05,748 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2020-07-17 22:04:05,748 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-07-17 22:04:05,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:04:05,749 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:04:05,750 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:04:05,750 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:04:05,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-07-17 22:04:05,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2020-07-17 22:04:05,755 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 18 [2020-07-17 22:04:05,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:04:05,755 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2020-07-17 22:04:05,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:04:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-07-17 22:04:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-17 22:04:05,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:04:05,757 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:04:05,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:04:05,757 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:04:05,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:04:05,758 INFO L82 PathProgramCache]: Analyzing trace with hash 422703747, now seen corresponding path program 1 times [2020-07-17 22:04:05,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:04:05,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012077097] [2020-07-17 22:04:05,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:04:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:04:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:04:05,923 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:04:05,923 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:04:05,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:04:05,952 WARN L170 areAnnotationChecker]: isnan_doubleENTRY has no Hoare annotation [2020-07-17 22:04:05,952 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 22:04:05,953 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:04:05,953 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:04:05,953 WARN L170 areAnnotationChecker]: ceil_doubleENTRY has no Hoare annotation [2020-07-17 22:04:05,953 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:04:05,953 WARN L170 areAnnotationChecker]: isnan_doubleFINAL has no Hoare annotation [2020-07-17 22:04:05,953 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:04:05,954 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:04:05,954 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:04:05,954 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-17 22:04:05,954 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-17 22:04:05,954 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-17 22:04:05,954 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-17 22:04:05,954 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:04:05,955 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:04:05,955 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-17 22:04:05,955 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-17 22:04:05,955 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-17 22:04:05,955 WARN L170 areAnnotationChecker]: L92-1 has no Hoare annotation [2020-07-17 22:04:05,955 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-17 22:04:05,955 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-17 22:04:05,956 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-17 22:04:05,956 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-17 22:04:05,956 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-17 22:04:05,956 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-17 22:04:05,956 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-17 22:04:05,956 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-17 22:04:05,957 WARN L170 areAnnotationChecker]: L96 has no Hoare annotation [2020-07-17 22:04:05,957 WARN L170 areAnnotationChecker]: L96 has no Hoare annotation [2020-07-17 22:04:05,957 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:04:05,957 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-17 22:04:05,957 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-17 22:04:05,957 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-17 22:04:05,957 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-17 22:04:05,957 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-17 22:04:05,958 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-17 22:04:05,958 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-17 22:04:05,958 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-17 22:04:05,958 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:04:05,958 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-17 22:04:05,958 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-17 22:04:05,958 WARN L170 areAnnotationChecker]: L74-1 has no Hoare annotation [2020-07-17 22:04:05,959 WARN L170 areAnnotationChecker]: L74-1 has no Hoare annotation [2020-07-17 22:04:05,959 WARN L170 areAnnotationChecker]: ceil_doubleFINAL has no Hoare annotation [2020-07-17 22:04:05,959 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-17 22:04:05,959 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-17 22:04:05,959 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-17 22:04:05,959 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-17 22:04:05,959 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-17 22:04:05,959 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-17 22:04:05,960 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-17 22:04:05,960 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-17 22:04:05,960 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2020-07-17 22:04:05,960 WARN L170 areAnnotationChecker]: ceil_doubleEXIT has no Hoare annotation [2020-07-17 22:04:05,960 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-17 22:04:05,960 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-17 22:04:05,960 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-17 22:04:05,961 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-17 22:04:05,961 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-17 22:04:05,961 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2020-07-17 22:04:05,961 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2020-07-17 22:04:05,961 WARN L170 areAnnotationChecker]: L61-1 has no Hoare annotation [2020-07-17 22:04:05,961 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-17 22:04:05,961 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-17 22:04:05,961 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-17 22:04:05,962 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 22:04:05,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:04:05 BoogieIcfgContainer [2020-07-17 22:04:05,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:04:05,968 INFO L168 Benchmark]: Toolchain (without parser) took 2352.37 ms. Allocated memory was 145.8 MB in the beginning and 234.4 MB in the end (delta: 88.6 MB). Free memory was 103.2 MB in the beginning and 129.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:05,969 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:04:05,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.44 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.8 MB in the beginning and 180.7 MB in the end (delta: -77.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:05,971 INFO L168 Benchmark]: Boogie Preprocessor took 48.25 ms. Allocated memory is still 202.9 MB. Free memory was 180.7 MB in the beginning and 178.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:05,972 INFO L168 Benchmark]: RCFGBuilder took 583.81 ms. Allocated memory is still 202.9 MB. Free memory was 178.1 MB in the beginning and 143.7 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:05,973 INFO L168 Benchmark]: TraceAbstraction took 1297.85 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 143.0 MB in the beginning and 129.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 44.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:04:05,976 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 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 416.44 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.8 MB in the beginning and 180.7 MB in the end (delta: -77.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.25 ms. Allocated memory is still 202.9 MB. Free memory was 180.7 MB in the beginning and 178.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 583.81 ms. Allocated memory is still 202.9 MB. Free memory was 178.1 MB in the beginning and 143.7 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1297.85 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 143.0 MB in the beginning and 129.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 44.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 96]: 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 bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [\old(huge_ceil)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] double x = 0.0; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L92] CALL, EXPR ceil_double(x) VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [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)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-1, x=0] [L29] COND TRUE j0 < 20 VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-1, j0=0, x=0] [L30] COND FALSE !(j0 < 0) [L41] i = (0x000fffff) >> j0 VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-1, j0=0, x=0] [L42] COND TRUE ((i0 & i) | i1) == 0 [L43] return x; VAL [\old(x)=0, \result=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-1, j0=0, x=0] [L92] RET, EXPR ceil_double(x) VAL [ceil_double(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L92] double res = ceil_double(x); [L95] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] [L96] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 52 SDtfs, 47 SDslu, 5 SDs, 0 SdLazy, 55 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 697 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...