/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_0720.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:13:26,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:13:26,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:13:26,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:13:26,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:13:26,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:13:26,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:13:26,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:13:26,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:13:26,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:13:26,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:13:26,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:13:26,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:13:26,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:13:26,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:13:26,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:13:26,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:13:26,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:13:26,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:13:26,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:13:26,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:13:26,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:13:26,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:13:26,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:13:26,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 00:13:26,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 00:13:26,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 00:13:26,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 00:13:26,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 00:13:26,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 00:13:26,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 00:13:26,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 00:13:26,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 00:13:26,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 00:13:26,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 00:13:26,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 00:13:26,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 00:13:26,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 00:13:26,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:13:26,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:13:26,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:13:26,067 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 00:13:26,076 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:13:26,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:13:26,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:13:26,078 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:13:26,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:13:26,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:13:26,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:13:26,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:13:26,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:13:26,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:13:26,080 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:13:26,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:13:26,080 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:13:26,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:13:26,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:13:26,081 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:13:26,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:13:26,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:13:26,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:26,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:13:26,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:13:26,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:13:26,083 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:13:26,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:13:26,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:13:26,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:13:26,411 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:13:26,411 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:13:26,412 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0720.c [2020-07-18 00:13:26,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e52cae3/017776943d1f441b898235b1243c31b5/FLAG10a311e72 [2020-07-18 00:13:26,962 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:13:26,963 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0720.c [2020-07-18 00:13:26,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e52cae3/017776943d1f441b898235b1243c31b5/FLAG10a311e72 [2020-07-18 00:13:27,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e52cae3/017776943d1f441b898235b1243c31b5 [2020-07-18 00:13:27,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:13:27,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:13:27,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:27,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:13:27,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:13:27,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:27" (1/1) ... [2020-07-18 00:13:27,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5161db28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:27, skipping insertion in model container [2020-07-18 00:13:27,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:27" (1/1) ... [2020-07-18 00:13:27,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:13:27,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:13:27,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:27,611 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:13:27,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:27,674 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:13:27,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:27 WrapperNode [2020-07-18 00:13:27,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:27,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:13:27,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:13:27,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:13:27,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:27" (1/1) ... [2020-07-18 00:13:27,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:27" (1/1) ... [2020-07-18 00:13:27,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:27" (1/1) ... [2020-07-18 00:13:27,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:27" (1/1) ... [2020-07-18 00:13:27,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:27" (1/1) ... [2020-07-18 00:13:27,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:27" (1/1) ... [2020-07-18 00:13:27,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:27" (1/1) ... [2020-07-18 00:13:27,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:13:27,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:13:27,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:13:27,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:13:27,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:27" (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 00:13:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:13:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:13:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-07-18 00:13:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2020-07-18 00:13:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:13:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:13:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-18 00:13:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-07-18 00:13:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2020-07-18 00:13:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:13:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 00:13:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:13:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:13:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:13:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 00:13:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:13:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:13:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:13:28,526 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:13:28,526 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-18 00:13:28,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:28 BoogieIcfgContainer [2020-07-18 00:13:28,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:13:28,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:13:28,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:13:28,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:13:28,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:13:27" (1/3) ... [2020-07-18 00:13:28,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c8b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:28, skipping insertion in model container [2020-07-18 00:13:28,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:27" (2/3) ... [2020-07-18 00:13:28,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c8b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:28, skipping insertion in model container [2020-07-18 00:13:28,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:28" (3/3) ... [2020-07-18 00:13:28,545 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0720.c [2020-07-18 00:13:28,557 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:13:28,565 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:13:28,580 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:13:28,602 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:13:28,602 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:13:28,602 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:13:28,602 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:13:28,604 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:13:28,605 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:13:28,605 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:13:28,605 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:13:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-07-18 00:13:28,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-18 00:13:28,635 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:28,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:13:28,637 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:28,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:28,642 INFO L82 PathProgramCache]: Analyzing trace with hash -2082497467, now seen corresponding path program 1 times [2020-07-18 00:13:28,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:28,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642991600] [2020-07-18 00:13:28,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:28,933 INFO L280 TraceCheckUtils]: 0: Hoare triple {137#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0; {108#true} is VALID [2020-07-18 00:13:28,934 INFO L280 TraceCheckUtils]: 1: Hoare triple {108#true} #valid := #valid[0 := 0]; {108#true} is VALID [2020-07-18 00:13:28,934 INFO L280 TraceCheckUtils]: 2: Hoare triple {108#true} assume 0 < #StackHeapBarrier; {108#true} is VALID [2020-07-18 00:13:28,937 INFO L280 TraceCheckUtils]: 3: Hoare triple {108#true} ~one_sqrt~0 := 1.0; {108#true} is VALID [2020-07-18 00:13:28,938 INFO L280 TraceCheckUtils]: 4: Hoare triple {108#true} ~tiny_sqrt~0 := 1.0E-30; {108#true} is VALID [2020-07-18 00:13:28,938 INFO L280 TraceCheckUtils]: 5: Hoare triple {108#true} assume true; {108#true} is VALID [2020-07-18 00:13:28,939 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {108#true} {108#true} #189#return; {108#true} is VALID [2020-07-18 00:13:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:28,996 INFO L280 TraceCheckUtils]: 0: Hoare triple {138#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {108#true} is VALID [2020-07-18 00:13:28,996 INFO L280 TraceCheckUtils]: 1: Hoare triple {108#true} havoc ~z~0; {108#true} is VALID [2020-07-18 00:13:28,997 INFO L280 TraceCheckUtils]: 2: Hoare triple {108#true} havoc ~r~0; {108#true} is VALID [2020-07-18 00:13:28,997 INFO L280 TraceCheckUtils]: 3: Hoare triple {108#true} havoc ~hx~0; {108#true} is VALID [2020-07-18 00:13:28,998 INFO L280 TraceCheckUtils]: 4: Hoare triple {108#true} havoc ~ix~0; {108#true} is VALID [2020-07-18 00:13:28,998 INFO L280 TraceCheckUtils]: 5: Hoare triple {108#true} havoc ~s~0; {108#true} is VALID [2020-07-18 00:13:28,998 INFO L280 TraceCheckUtils]: 6: Hoare triple {108#true} havoc ~q~0; {108#true} is VALID [2020-07-18 00:13:28,999 INFO L280 TraceCheckUtils]: 7: Hoare triple {108#true} havoc ~m~0; {108#true} is VALID [2020-07-18 00:13:28,999 INFO L280 TraceCheckUtils]: 8: Hoare triple {108#true} havoc ~t~0; {108#true} is VALID [2020-07-18 00:13:29,001 INFO L280 TraceCheckUtils]: 9: Hoare triple {108#true} havoc ~i~0; {108#true} is VALID [2020-07-18 00:13:29,002 INFO L280 TraceCheckUtils]: 10: Hoare triple {108#true} assume !true; {109#false} is VALID [2020-07-18 00:13:29,004 INFO L280 TraceCheckUtils]: 11: Hoare triple {109#false} ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); {109#false} is VALID [2020-07-18 00:13:29,005 INFO L280 TraceCheckUtils]: 12: Hoare triple {109#false} assume !(~hx~0 % 4294967296 < 2139095040); {109#false} is VALID [2020-07-18 00:13:29,005 INFO L280 TraceCheckUtils]: 13: Hoare triple {109#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); {109#false} is VALID [2020-07-18 00:13:29,006 INFO L280 TraceCheckUtils]: 14: Hoare triple {109#false} assume true; {109#false} is VALID [2020-07-18 00:13:29,009 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {109#false} {108#true} #185#return; {109#false} is VALID [2020-07-18 00:13:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:29,040 INFO L280 TraceCheckUtils]: 0: Hoare triple {108#true} ~x := #in~x; {108#true} is VALID [2020-07-18 00:13:29,041 INFO L280 TraceCheckUtils]: 1: Hoare triple {108#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {108#true} is VALID [2020-07-18 00:13:29,041 INFO L280 TraceCheckUtils]: 2: Hoare triple {108#true} assume true; {108#true} is VALID [2020-07-18 00:13:29,042 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {108#true} {109#false} #187#return; {109#false} is VALID [2020-07-18 00:13:29,045 INFO L263 TraceCheckUtils]: 0: Hoare triple {108#true} call ULTIMATE.init(); {137#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} is VALID [2020-07-18 00:13:29,045 INFO L280 TraceCheckUtils]: 1: Hoare triple {137#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0; {108#true} is VALID [2020-07-18 00:13:29,046 INFO L280 TraceCheckUtils]: 2: Hoare triple {108#true} #valid := #valid[0 := 0]; {108#true} is VALID [2020-07-18 00:13:29,046 INFO L280 TraceCheckUtils]: 3: Hoare triple {108#true} assume 0 < #StackHeapBarrier; {108#true} is VALID [2020-07-18 00:13:29,047 INFO L280 TraceCheckUtils]: 4: Hoare triple {108#true} ~one_sqrt~0 := 1.0; {108#true} is VALID [2020-07-18 00:13:29,047 INFO L280 TraceCheckUtils]: 5: Hoare triple {108#true} ~tiny_sqrt~0 := 1.0E-30; {108#true} is VALID [2020-07-18 00:13:29,049 INFO L280 TraceCheckUtils]: 6: Hoare triple {108#true} assume true; {108#true} is VALID [2020-07-18 00:13:29,050 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {108#true} {108#true} #189#return; {108#true} is VALID [2020-07-18 00:13:29,050 INFO L263 TraceCheckUtils]: 8: Hoare triple {108#true} call #t~ret7 := main(); {108#true} is VALID [2020-07-18 00:13:29,051 INFO L280 TraceCheckUtils]: 9: Hoare triple {108#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); {108#true} is VALID [2020-07-18 00:13:29,053 INFO L263 TraceCheckUtils]: 10: Hoare triple {108#true} call #t~ret5 := __ieee754_sqrtf(~x~0); {138#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:29,053 INFO L280 TraceCheckUtils]: 11: Hoare triple {138#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {108#true} is VALID [2020-07-18 00:13:29,054 INFO L280 TraceCheckUtils]: 12: Hoare triple {108#true} havoc ~z~0; {108#true} is VALID [2020-07-18 00:13:29,054 INFO L280 TraceCheckUtils]: 13: Hoare triple {108#true} havoc ~r~0; {108#true} is VALID [2020-07-18 00:13:29,054 INFO L280 TraceCheckUtils]: 14: Hoare triple {108#true} havoc ~hx~0; {108#true} is VALID [2020-07-18 00:13:29,055 INFO L280 TraceCheckUtils]: 15: Hoare triple {108#true} havoc ~ix~0; {108#true} is VALID [2020-07-18 00:13:29,055 INFO L280 TraceCheckUtils]: 16: Hoare triple {108#true} havoc ~s~0; {108#true} is VALID [2020-07-18 00:13:29,055 INFO L280 TraceCheckUtils]: 17: Hoare triple {108#true} havoc ~q~0; {108#true} is VALID [2020-07-18 00:13:29,056 INFO L280 TraceCheckUtils]: 18: Hoare triple {108#true} havoc ~m~0; {108#true} is VALID [2020-07-18 00:13:29,056 INFO L280 TraceCheckUtils]: 19: Hoare triple {108#true} havoc ~t~0; {108#true} is VALID [2020-07-18 00:13:29,056 INFO L280 TraceCheckUtils]: 20: Hoare triple {108#true} havoc ~i~0; {108#true} is VALID [2020-07-18 00:13:29,059 INFO L280 TraceCheckUtils]: 21: Hoare triple {108#true} assume !true; {109#false} is VALID [2020-07-18 00:13:29,059 INFO L280 TraceCheckUtils]: 22: Hoare triple {109#false} ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); {109#false} is VALID [2020-07-18 00:13:29,060 INFO L280 TraceCheckUtils]: 23: Hoare triple {109#false} assume !(~hx~0 % 4294967296 < 2139095040); {109#false} is VALID [2020-07-18 00:13:29,060 INFO L280 TraceCheckUtils]: 24: Hoare triple {109#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); {109#false} is VALID [2020-07-18 00:13:29,061 INFO L280 TraceCheckUtils]: 25: Hoare triple {109#false} assume true; {109#false} is VALID [2020-07-18 00:13:29,061 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {109#false} {108#true} #185#return; {109#false} is VALID [2020-07-18 00:13:29,062 INFO L280 TraceCheckUtils]: 27: Hoare triple {109#false} ~res~0 := #t~ret5; {109#false} is VALID [2020-07-18 00:13:29,066 INFO L280 TraceCheckUtils]: 28: Hoare triple {109#false} havoc #t~ret5; {109#false} is VALID [2020-07-18 00:13:29,067 INFO L263 TraceCheckUtils]: 29: Hoare triple {109#false} call #t~ret6 := isnan_float(~res~0); {108#true} is VALID [2020-07-18 00:13:29,068 INFO L280 TraceCheckUtils]: 30: Hoare triple {108#true} ~x := #in~x; {108#true} is VALID [2020-07-18 00:13:29,069 INFO L280 TraceCheckUtils]: 31: Hoare triple {108#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {108#true} is VALID [2020-07-18 00:13:29,069 INFO L280 TraceCheckUtils]: 32: Hoare triple {108#true} assume true; {108#true} is VALID [2020-07-18 00:13:29,070 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {108#true} {109#false} #187#return; {109#false} is VALID [2020-07-18 00:13:29,070 INFO L280 TraceCheckUtils]: 34: Hoare triple {109#false} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {109#false} is VALID [2020-07-18 00:13:29,071 INFO L280 TraceCheckUtils]: 35: Hoare triple {109#false} assume 0 == #t~ret6; {109#false} is VALID [2020-07-18 00:13:29,071 INFO L280 TraceCheckUtils]: 36: Hoare triple {109#false} havoc #t~ret6; {109#false} is VALID [2020-07-18 00:13:29,074 INFO L280 TraceCheckUtils]: 37: Hoare triple {109#false} assume !false; {109#false} is VALID [2020-07-18 00:13:29,084 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 00:13:29,146 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:29,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642991600] [2020-07-18 00:13:29,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:13:29,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:13:29,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539781833] [2020-07-18 00:13:29,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-18 00:13:29,167 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:13:29,171 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:13:29,203 WARN L140 InductivityCheck]: Transition 108#true ( _ , assume !false; , 109#false ) not inductive [2020-07-18 00:13:29,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:13:29,204 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:13:29,213 INFO L168 Benchmark]: Toolchain (without parser) took 1867.10 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 101.3 MB in the beginning and 94.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 70.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:29,216 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:13:29,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.88 ms. Allocated memory is still 136.3 MB. Free memory was 100.9 MB in the beginning and 88.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:29,220 INFO L168 Benchmark]: Boogie Preprocessor took 154.41 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 88.7 MB in the beginning and 177.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:29,221 INFO L168 Benchmark]: RCFGBuilder took 701.63 ms. Allocated memory is still 199.8 MB. Free memory was 176.4 MB in the beginning and 135.3 MB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:29,223 INFO L168 Benchmark]: TraceAbstraction took 674.76 ms. Allocated memory is still 199.8 MB. Free memory was 134.6 MB in the beginning and 94.5 MB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:29,234 INFO L336 ainManager$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 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 324.88 ms. Allocated memory is still 136.3 MB. Free memory was 100.9 MB in the beginning and 88.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.41 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 88.7 MB in the beginning and 177.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 701.63 ms. Allocated memory is still 199.8 MB. Free memory was 176.4 MB in the beginning and 135.3 MB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 674.76 ms. Allocated memory is still 199.8 MB. Free memory was 134.6 MB in the beginning and 94.5 MB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 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...