/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-benchs/cast_union_loose.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 21:47:04,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 21:47:04,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 21:47:04,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 21:47:04,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 21:47:04,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 21:47:04,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 21:47:04,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 21:47:04,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 21:47:04,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 21:47:04,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 21:47:04,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 21:47:04,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 21:47:04,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 21:47:04,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 21:47:04,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 21:47:04,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 21:47:04,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 21:47:04,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 21:47:04,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 21:47:04,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 21:47:04,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 21:47:04,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 21:47:04,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 21:47:04,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 21:47:04,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 21:47:04,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 21:47:04,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 21:47:04,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 21:47:04,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 21:47:04,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 21:47:04,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 21:47:04,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 21:47:04,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 21:47:04,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 21:47:04,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 21:47:04,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 21:47:04,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 21:47:04,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 21:47:04,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 21:47:04,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 21:47:04,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 21:47:04,787 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 21:47:04,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 21:47:04,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 21:47:04,789 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 21:47:04,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 21:47:04,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 21:47:04,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 21:47:04,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 21:47:04,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 21:47:04,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 21:47:04,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 21:47:04,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 21:47:04,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 21:47:04,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 21:47:04,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 21:47:04,793 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 21:47:04,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 21:47:04,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 21:47:04,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 21:47:04,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 21:47:04,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 21:47:04,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 21:47:04,795 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 21:47:05,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 21:47:05,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 21:47:05,082 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 21:47:05,083 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 21:47:05,084 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 21:47:05,084 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_union_loose.c [2020-07-08 21:47:05,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c608384c/25dcc88d038247d6bad34bc19a04b5d7/FLAG74fd685b9 [2020-07-08 21:47:05,635 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 21:47:05,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_loose.c [2020-07-08 21:47:05,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c608384c/25dcc88d038247d6bad34bc19a04b5d7/FLAG74fd685b9 [2020-07-08 21:47:06,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c608384c/25dcc88d038247d6bad34bc19a04b5d7 [2020-07-08 21:47:06,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 21:47:06,017 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 21:47:06,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 21:47:06,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 21:47:06,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 21:47:06,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 09:47:06" (1/1) ... [2020-07-08 21:47:06,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc6390f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:06, skipping insertion in model container [2020-07-08 21:47:06,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 09:47:06" (1/1) ... [2020-07-08 21:47:06,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 21:47:06,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 21:47:06,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 21:47:06,238 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 21:47:06,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 21:47:06,288 INFO L208 MainTranslator]: Completed translation [2020-07-08 21:47:06,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:06 WrapperNode [2020-07-08 21:47:06,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 21:47:06,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 21:47:06,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 21:47:06,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 21:47:06,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:06" (1/1) ... [2020-07-08 21:47:06,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:06" (1/1) ... [2020-07-08 21:47:06,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:06" (1/1) ... [2020-07-08 21:47:06,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:06" (1/1) ... [2020-07-08 21:47:06,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:06" (1/1) ... [2020-07-08 21:47:06,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:06" (1/1) ... [2020-07-08 21:47:06,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:06" (1/1) ... [2020-07-08 21:47:06,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 21:47:06,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 21:47:06,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 21:47:06,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 21:47:06,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 21:47:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 21:47:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 21:47:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 21:47:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 21:47:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-07-08 21:47:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 21:47:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 21:47:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 21:47:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 21:47:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 21:47:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 21:47:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-07-08 21:47:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 21:47:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 21:47:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 21:47:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-08 21:47:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 21:47:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 21:47:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 21:47:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 21:47:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-08 21:47:06,865 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 21:47:06,866 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 21:47:06,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 09:47:06 BoogieIcfgContainer [2020-07-08 21:47:06,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 21:47:06,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 21:47:06,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 21:47:06,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 21:47:06,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 09:47:06" (1/3) ... [2020-07-08 21:47:06,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298f1145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 09:47:06, skipping insertion in model container [2020-07-08 21:47:06,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:06" (2/3) ... [2020-07-08 21:47:06,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298f1145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 09:47:06, skipping insertion in model container [2020-07-08 21:47:06,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 09:47:06" (3/3) ... [2020-07-08 21:47:06,880 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_union_loose.c [2020-07-08 21:47:06,891 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 21:47:06,898 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 21:47:06,912 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 21:47:06,934 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 21:47:06,934 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 21:47:06,935 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 21:47:06,935 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 21:47:06,935 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 21:47:06,935 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 21:47:06,935 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 21:47:06,936 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 21:47:06,952 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-08 21:47:06,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-08 21:47:06,963 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 21:47:06,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 21:47:06,965 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 21:47:06,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 21:47:06,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1178751454, now seen corresponding path program 1 times [2020-07-08 21:47:06,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 21:47:06,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25201333] [2020-07-08 21:47:06,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 21:47:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 21:47:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 21:47:07,285 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 21:47:07,286 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 21:47:07,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 21:47:07,330 WARN L170 areAnnotationChecker]: castENTRY has no Hoare annotation [2020-07-08 21:47:07,331 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 21:47:07,331 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 21:47:07,331 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 21:47:07,331 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 21:47:07,332 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 21:47:07,332 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 21:47:07,332 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-08 21:47:07,332 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 21:47:07,333 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 21:47:07,333 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 21:47:07,333 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-08 21:47:07,333 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-08 21:47:07,333 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-08 21:47:07,334 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 21:47:07,334 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 21:47:07,334 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-08 21:47:07,334 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 21:47:07,335 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 21:47:07,335 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2020-07-08 21:47:07,335 WARN L170 areAnnotationChecker]: L9-3 has no Hoare annotation [2020-07-08 21:47:07,335 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-08 21:47:07,336 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 21:47:07,336 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 21:47:07,336 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-08 21:47:07,336 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-08 21:47:07,336 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 21:47:07,337 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-08 21:47:07,337 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-08 21:47:07,337 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 21:47:07,337 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 21:47:07,337 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 21:47:07,338 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-08 21:47:07,338 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-08 21:47:07,338 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-08 21:47:07,338 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-08 21:47:07,339 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 21:47:07,339 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-08 21:47:07,339 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-08 21:47:07,339 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-08 21:47:07,339 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 21:47:07,339 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-08 21:47:07,340 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2020-07-08 21:47:07,340 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 21:47:07,340 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 21:47:07,340 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-08 21:47:07,340 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-08 21:47:07,341 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-08 21:47:07,341 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-08 21:47:07,341 WARN L170 areAnnotationChecker]: L24-1 has no Hoare annotation [2020-07-08 21:47:07,341 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 21:47:07,341 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-08 21:47:07,341 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-08 21:47:07,342 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-08 21:47:07,342 WARN L170 areAnnotationChecker]: L25-4 has no Hoare annotation [2020-07-08 21:47:07,342 WARN L170 areAnnotationChecker]: L20-3 has no Hoare annotation [2020-07-08 21:47:07,342 WARN L170 areAnnotationChecker]: L20-4 has no Hoare annotation [2020-07-08 21:47:07,342 WARN L170 areAnnotationChecker]: L20-5 has no Hoare annotation [2020-07-08 21:47:07,343 WARN L170 areAnnotationChecker]: L20-6 has no Hoare annotation [2020-07-08 21:47:07,343 WARN L170 areAnnotationChecker]: castFINAL has no Hoare annotation [2020-07-08 21:47:07,343 WARN L170 areAnnotationChecker]: castEXIT has no Hoare annotation [2020-07-08 21:47:07,343 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 21:47:07,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 09:47:07 BoogieIcfgContainer [2020-07-08 21:47:07,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 21:47:07,352 INFO L168 Benchmark]: Toolchain (without parser) took 1333.93 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 103.7 MB in the beginning and 131.6 MB in the end (delta: -27.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:07,353 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-08 21:47:07,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.93 ms. Allocated memory is still 145.2 MB. Free memory was 103.5 MB in the beginning and 92.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:07,355 INFO L168 Benchmark]: Boogie Preprocessor took 142.39 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 92.5 MB in the beginning and 180.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:07,356 INFO L168 Benchmark]: RCFGBuilder took 440.20 ms. Allocated memory is still 202.9 MB. Free memory was 180.4 MB in the beginning and 154.5 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:07,357 INFO L168 Benchmark]: TraceAbstraction took 475.09 ms. Allocated memory is still 202.9 MB. Free memory was 153.8 MB in the beginning and 131.6 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:07,361 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 270.93 ms. Allocated memory is still 145.2 MB. Free memory was 103.5 MB in the beginning and 92.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.39 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 92.5 MB in the beginning and 180.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 440.20 ms. Allocated memory is still 202.9 MB. Free memory was 180.4 MB in the beginning and 154.5 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 475.09 ms. Allocated memory is still 202.9 MB. Free memory was 153.8 MB in the beginning and 131.6 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 11]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 37, overapproximation of bitwiseXor at line 24, overapproximation of someBinaryArithmeticDOUBLEoperation at line 25. Possible FailurePath: [L30] int a; [L31] double r; [L33] a = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=10000, a=10000] [L34] CALL assume_abort_if_not(a >= -10000 && a <= 10000) VAL [\old(cond)=1] [L9] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L34] RET assume_abort_if_not(a >= -10000 && a <= 10000) VAL [a=10000] [L36] CALL, EXPR cast(a) VAL [\old(i)=10000] [L20] union u x, y; VAL [\old(i)=10000, i=10000, x={3:0}, y={2:0}] [L21] x.i[0] = 0x43300000 VAL [\old(i)=10000, i=10000, x={3:0}, y={2:0}] [L22] EXPR x.i[0] VAL [\old(i)=10000, i=10000, x={3:0}, x.i[0]=1127219200, y={2:0}] [L22] y.i[0] = x.i[0] VAL [\old(i)=10000, i=10000, x={3:0}, x.i[0]=1127219200, y={2:0}] [L23] x.i[1] = 0x80000000 VAL [\old(i)=10000, i=10000, x={3:0}, y={2:0}] [L24] EXPR x.i[1] VAL [\old(i)=10000, i=10000, x={3:0}, x.i[1]=-2147483648, y={2:0}] [L24] y.i[1] = i ^ x.i[1] VAL [\old(i)=10000, i=10000, x={3:0}, x.i[1]=-2147483648, y={2:0}] [L25] EXPR y.d VAL [\old(i)=10000, i=10000, x={3:0}, y={2:0}, y.d=1127219204] [L25] EXPR x.d VAL [\old(i)=10000, i=10000, x={3:0}, x.d=1127219201, y={2:0}, y.d=1127219204] [L25] return y.d - x.d; VAL [\old(i)=10000, i=10000, x={3:0}, x.d=1127219201, y={2:0}, y.d=1127219204] [L25] return y.d - x.d; VAL [\old(i)=10000, i=10000, y={2:0}] [L25] return y.d - x.d; VAL [\old(i)=10000, i=10000] [L36] RET, EXPR cast(a) VAL [a=10000, cast(a)=1127219206] [L36] r = cast(a) VAL [a=10000, cast(a)=1127219206, r=1127219206] [L37] CALL __VERIFIER_assert(r >= -10000. && r <= 10000.) VAL [\old(cond)=0] [L11] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L11] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...