/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1250.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:13:44,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:13:44,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:13:44,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:13:44,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:13:44,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:13:44,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:13:44,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:13:44,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:13:44,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:13:44,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:13:44,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:13:44,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:13:44,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:13:44,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:13:44,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:13:44,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:13:44,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:13:44,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:13:44,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:13:44,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:13:44,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:13:44,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:13:44,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:13:44,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:13:44,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:13:44,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:13:44,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:13:44,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:13:44,661 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:13:44,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:13:44,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:13:44,663 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:13:44,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:13:44,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:13:44,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:13:44,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:13:44,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:13:44,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:13:44,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:13:44,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:13:44,664 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:13:44,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:13:44,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:13:44,665 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:13:44,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:13:44,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:13:44,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:44,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:13:44,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:13:44,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:13:44,666 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:13:44,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:13:44,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:13:44,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:13:44,984 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:13:44,984 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:13:44,985 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1250.c [2020-07-18 00:13:45,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d162c9903/902018d2f94d4ac4b4c85bc4ce223cc7/FLAGe57d49910 [2020-07-18 00:13:45,557 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:13:45,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1250.c [2020-07-18 00:13:45,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d162c9903/902018d2f94d4ac4b4c85bc4ce223cc7/FLAGe57d49910 [2020-07-18 00:13:45,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d162c9903/902018d2f94d4ac4b4c85bc4ce223cc7 [2020-07-18 00:13:45,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:13:45,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:13:45,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:45,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:13:45,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:13:45,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:45" (1/1) ... [2020-07-18 00:13:45,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1bd7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:45, skipping insertion in model container [2020-07-18 00:13:45,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:45" (1/1) ... [2020-07-18 00:13:45,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:13:45,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:13:46,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:46,191 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:13:46,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:46,335 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:13:46,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:46 WrapperNode [2020-07-18 00:13:46,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:46,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:13:46,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:13:46,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:13:46,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:46" (1/1) ... [2020-07-18 00:13:46,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:46" (1/1) ... [2020-07-18 00:13:46,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:46" (1/1) ... [2020-07-18 00:13:46,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:46" (1/1) ... [2020-07-18 00:13:46,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:46" (1/1) ... [2020-07-18 00:13:46,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:46" (1/1) ... [2020-07-18 00:13:46,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:46" (1/1) ... [2020-07-18 00:13:46,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:13:46,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:13:46,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:13:46,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:13:46,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:46,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:13:46,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:13:46,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2020-07-18 00:13:46,460 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_float [2020-07-18 00:13:46,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-07-18 00:13:46,460 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:13:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:13:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2020-07-18 00:13:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:13:46,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 00:13:46,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:13:46,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:13:46,461 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_float [2020-07-18 00:13:46,461 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-07-18 00:13:46,461 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:13:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:13:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:13:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 00:13:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:13:46,952 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:13:46,952 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-18 00:13:46,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:46 BoogieIcfgContainer [2020-07-18 00:13:46,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:13:46,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:13:46,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:13:46,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:13:46,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:13:45" (1/3) ... [2020-07-18 00:13:46,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7c67c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:46, skipping insertion in model container [2020-07-18 00:13:46,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:46" (2/3) ... [2020-07-18 00:13:46,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7c67c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:46, skipping insertion in model container [2020-07-18 00:13:46,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:46" (3/3) ... [2020-07-18 00:13:46,965 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1250.c [2020-07-18 00:13:46,976 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:13:46,984 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:13:46,998 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:13:47,017 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:13:47,018 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:13:47,018 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:13:47,018 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:13:47,018 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:13:47,019 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:13:47,019 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:13:47,019 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:13:47,034 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2020-07-18 00:13:47,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-18 00:13:47,046 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:47,047 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:13:47,047 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:47,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:47,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1283430724, now seen corresponding path program 1 times [2020-07-18 00:13:47,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:47,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859846157] [2020-07-18 00:13:47,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:47,264 INFO L280 TraceCheckUtils]: 0: Hoare triple {103#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {76#true} is VALID [2020-07-18 00:13:47,265 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#true} #valid := #valid[0 := 0]; {76#true} is VALID [2020-07-18 00:13:47,266 INFO L280 TraceCheckUtils]: 2: Hoare triple {76#true} assume 0 < #StackHeapBarrier; {76#true} is VALID [2020-07-18 00:13:47,266 INFO L280 TraceCheckUtils]: 3: Hoare triple {76#true} assume true; {76#true} is VALID [2020-07-18 00:13:47,267 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {76#true} {76#true} #112#return; {76#true} is VALID [2020-07-18 00:13:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:47,320 INFO L280 TraceCheckUtils]: 0: Hoare triple {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {76#true} is VALID [2020-07-18 00:13:47,321 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#true} havoc ~w~0; {76#true} is VALID [2020-07-18 00:13:47,322 INFO L280 TraceCheckUtils]: 2: Hoare triple {76#true} assume !true; {77#false} is VALID [2020-07-18 00:13:47,323 INFO L280 TraceCheckUtils]: 3: Hoare triple {77#false} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296; {77#false} is VALID [2020-07-18 00:13:47,323 INFO L280 TraceCheckUtils]: 4: Hoare triple {77#false} #res := 2; {77#false} is VALID [2020-07-18 00:13:47,324 INFO L280 TraceCheckUtils]: 5: Hoare triple {77#false} assume true; {77#false} is VALID [2020-07-18 00:13:47,324 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {77#false} {76#true} #108#return; {77#false} is VALID [2020-07-18 00:13:47,325 INFO L280 TraceCheckUtils]: 0: Hoare triple {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {76#true} is VALID [2020-07-18 00:13:47,326 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#true} ~y := #in~y; {76#true} is VALID [2020-07-18 00:13:47,328 INFO L263 TraceCheckUtils]: 2: Hoare triple {76#true} call #t~ret2 := __fpclassify_float(~x); {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:47,329 INFO L280 TraceCheckUtils]: 3: Hoare triple {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {76#true} is VALID [2020-07-18 00:13:47,330 INFO L280 TraceCheckUtils]: 4: Hoare triple {76#true} havoc ~w~0; {76#true} is VALID [2020-07-18 00:13:47,331 INFO L280 TraceCheckUtils]: 5: Hoare triple {76#true} assume !true; {77#false} is VALID [2020-07-18 00:13:47,331 INFO L280 TraceCheckUtils]: 6: Hoare triple {77#false} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296; {77#false} is VALID [2020-07-18 00:13:47,332 INFO L280 TraceCheckUtils]: 7: Hoare triple {77#false} #res := 2; {77#false} is VALID [2020-07-18 00:13:47,332 INFO L280 TraceCheckUtils]: 8: Hoare triple {77#false} assume true; {77#false} is VALID [2020-07-18 00:13:47,333 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {77#false} {76#true} #108#return; {77#false} is VALID [2020-07-18 00:13:47,333 INFO L280 TraceCheckUtils]: 10: Hoare triple {77#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {77#false} is VALID [2020-07-18 00:13:47,334 INFO L280 TraceCheckUtils]: 11: Hoare triple {77#false} assume 0 == #t~ret2; {77#false} is VALID [2020-07-18 00:13:47,334 INFO L280 TraceCheckUtils]: 12: Hoare triple {77#false} havoc #t~ret2; {77#false} is VALID [2020-07-18 00:13:47,334 INFO L280 TraceCheckUtils]: 13: Hoare triple {77#false} #res := ~y; {77#false} is VALID [2020-07-18 00:13:47,335 INFO L280 TraceCheckUtils]: 14: Hoare triple {77#false} assume true; {77#false} is VALID [2020-07-18 00:13:47,335 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {77#false} {76#true} #104#return; {77#false} is VALID [2020-07-18 00:13:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:47,350 INFO L280 TraceCheckUtils]: 0: Hoare triple {76#true} ~x := #in~x; {76#true} is VALID [2020-07-18 00:13:47,351 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {76#true} is VALID [2020-07-18 00:13:47,351 INFO L280 TraceCheckUtils]: 2: Hoare triple {76#true} assume true; {76#true} is VALID [2020-07-18 00:13:47,352 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {76#true} {77#false} #106#return; {77#false} is VALID [2020-07-18 00:13:47,353 INFO L263 TraceCheckUtils]: 0: Hoare triple {76#true} call ULTIMATE.init(); {103#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:13:47,354 INFO L280 TraceCheckUtils]: 1: Hoare triple {103#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {76#true} is VALID [2020-07-18 00:13:47,354 INFO L280 TraceCheckUtils]: 2: Hoare triple {76#true} #valid := #valid[0 := 0]; {76#true} is VALID [2020-07-18 00:13:47,355 INFO L280 TraceCheckUtils]: 3: Hoare triple {76#true} assume 0 < #StackHeapBarrier; {76#true} is VALID [2020-07-18 00:13:47,355 INFO L280 TraceCheckUtils]: 4: Hoare triple {76#true} assume true; {76#true} is VALID [2020-07-18 00:13:47,355 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {76#true} {76#true} #112#return; {76#true} is VALID [2020-07-18 00:13:47,356 INFO L263 TraceCheckUtils]: 6: Hoare triple {76#true} call #t~ret7 := main(); {76#true} is VALID [2020-07-18 00:13:47,356 INFO L280 TraceCheckUtils]: 7: Hoare triple {76#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); {76#true} is VALID [2020-07-18 00:13:47,357 INFO L280 TraceCheckUtils]: 8: Hoare triple {76#true} ~y~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); {76#true} is VALID [2020-07-18 00:13:47,359 INFO L263 TraceCheckUtils]: 9: Hoare triple {76#true} call #t~ret5 := fmax_float(~x~0, ~y~0); {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:47,359 INFO L280 TraceCheckUtils]: 10: Hoare triple {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {76#true} is VALID [2020-07-18 00:13:47,360 INFO L280 TraceCheckUtils]: 11: Hoare triple {76#true} ~y := #in~y; {76#true} is VALID [2020-07-18 00:13:47,361 INFO L263 TraceCheckUtils]: 12: Hoare triple {76#true} call #t~ret2 := __fpclassify_float(~x); {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:47,362 INFO L280 TraceCheckUtils]: 13: Hoare triple {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {76#true} is VALID [2020-07-18 00:13:47,362 INFO L280 TraceCheckUtils]: 14: Hoare triple {76#true} havoc ~w~0; {76#true} is VALID [2020-07-18 00:13:47,363 INFO L280 TraceCheckUtils]: 15: Hoare triple {76#true} assume !true; {77#false} is VALID [2020-07-18 00:13:47,363 INFO L280 TraceCheckUtils]: 16: Hoare triple {77#false} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296; {77#false} is VALID [2020-07-18 00:13:47,364 INFO L280 TraceCheckUtils]: 17: Hoare triple {77#false} #res := 2; {77#false} is VALID [2020-07-18 00:13:47,364 INFO L280 TraceCheckUtils]: 18: Hoare triple {77#false} assume true; {77#false} is VALID [2020-07-18 00:13:47,365 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {77#false} {76#true} #108#return; {77#false} is VALID [2020-07-18 00:13:47,365 INFO L280 TraceCheckUtils]: 20: Hoare triple {77#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {77#false} is VALID [2020-07-18 00:13:47,365 INFO L280 TraceCheckUtils]: 21: Hoare triple {77#false} assume 0 == #t~ret2; {77#false} is VALID [2020-07-18 00:13:47,366 INFO L280 TraceCheckUtils]: 22: Hoare triple {77#false} havoc #t~ret2; {77#false} is VALID [2020-07-18 00:13:47,366 INFO L280 TraceCheckUtils]: 23: Hoare triple {77#false} #res := ~y; {77#false} is VALID [2020-07-18 00:13:47,366 INFO L280 TraceCheckUtils]: 24: Hoare triple {77#false} assume true; {77#false} is VALID [2020-07-18 00:13:47,367 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {77#false} {76#true} #104#return; {77#false} is VALID [2020-07-18 00:13:47,367 INFO L280 TraceCheckUtils]: 26: Hoare triple {77#false} ~res~0 := #t~ret5; {77#false} is VALID [2020-07-18 00:13:47,367 INFO L280 TraceCheckUtils]: 27: Hoare triple {77#false} havoc #t~ret5; {77#false} is VALID [2020-07-18 00:13:47,368 INFO L263 TraceCheckUtils]: 28: Hoare triple {77#false} call #t~ret6 := isnan_float(~res~0); {76#true} is VALID [2020-07-18 00:13:47,368 INFO L280 TraceCheckUtils]: 29: Hoare triple {76#true} ~x := #in~x; {76#true} is VALID [2020-07-18 00:13:47,369 INFO L280 TraceCheckUtils]: 30: Hoare triple {76#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {76#true} is VALID [2020-07-18 00:13:47,369 INFO L280 TraceCheckUtils]: 31: Hoare triple {76#true} assume true; {76#true} is VALID [2020-07-18 00:13:47,369 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {76#true} {77#false} #106#return; {77#false} is VALID [2020-07-18 00:13:47,370 INFO L280 TraceCheckUtils]: 33: Hoare triple {77#false} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {77#false} is VALID [2020-07-18 00:13:47,370 INFO L280 TraceCheckUtils]: 34: Hoare triple {77#false} assume 0 == #t~ret6; {77#false} is VALID [2020-07-18 00:13:47,370 INFO L280 TraceCheckUtils]: 35: Hoare triple {77#false} havoc #t~ret6; {77#false} is VALID [2020-07-18 00:13:47,371 INFO L280 TraceCheckUtils]: 36: Hoare triple {77#false} assume !false; {77#false} is VALID [2020-07-18 00:13:47,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:13:47,441 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:47,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859846157] [2020-07-18 00:13:47,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:13:47,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:13:47,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718560895] [2020-07-18 00:13:47,454 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-07-18 00:13:47,458 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:13:47,462 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:13:47,487 WARN L140 InductivityCheck]: Transition 76#true ( _ , assume !false; , 77#false ) not inductive [2020-07-18 00:13:47,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:13:47,489 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inductivity failed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:583) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:13:47,496 INFO L168 Benchmark]: Toolchain (without parser) took 1582.82 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 104.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:47,497 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:13:47,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.83 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.7 MB in the beginning and 181.5 MB in the end (delta: -79.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:47,499 INFO L168 Benchmark]: Boogie Preprocessor took 58.78 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 179.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:47,500 INFO L168 Benchmark]: RCFGBuilder took 561.29 ms. Allocated memory is still 202.4 MB. Free memory was 179.1 MB in the beginning and 146.8 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:47,501 INFO L168 Benchmark]: TraceAbstraction took 534.16 ms. Allocated memory is still 202.4 MB. Free memory was 146.2 MB in the beginning and 104.9 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:47,505 INFO L336 ainManager$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 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 421.83 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.7 MB in the beginning and 181.5 MB in the end (delta: -79.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.78 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 179.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 561.29 ms. Allocated memory is still 202.4 MB. Free memory was 179.1 MB in the beginning and 146.8 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 534.16 ms. Allocated memory is still 202.4 MB. Free memory was 146.2 MB in the beginning and 104.9 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inductivity failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inductivity failed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...