java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-benchs/cast_union_tight_false-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:39:56,833 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:39:56,841 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:39:56,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:39:56,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:39:56,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:39:56,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:39:56,862 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:39:56,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:39:56,865 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:39:56,866 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:39:56,866 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:39:56,867 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:39:56,870 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:39:56,879 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:39:56,880 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:39:56,881 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:39:56,885 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:39:56,886 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:39:56,891 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:39:56,892 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:39:56,895 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:39:56,900 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 15:39:56,901 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 15:39:56,901 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 15:39:56,902 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 15:39:56,905 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 15:39:56,906 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 15:39:56,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 15:39:56,911 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 15:39:56,911 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 15:39:56,912 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 15:39:56,912 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 15:39:56,912 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 15:39:56,915 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 15:39:56,916 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 15:39:56,916 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-19 15:39:56,943 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:39:56,944 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:39:56,944 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:39:56,945 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:39:56,945 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:39:56,946 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:39:56,946 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:39:56,946 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:39:56,946 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:39:56,946 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:39:56,947 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:39:56,947 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:39:56,947 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:39:56,947 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:39:56,947 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:39:56,948 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:39:56,948 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:39:56,948 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:39:56,948 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:39:56,950 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:39:56,951 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:39:56,951 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:39:56,951 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:39:56,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:39:56,952 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:39:56,952 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:39:56,952 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:39:56,952 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:39:56,952 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:39:56,953 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:39:56,953 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:39:56,953 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:39:57,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:39:57,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:39:57,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:39:57,030 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:39:57,030 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:39:57,031 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-09-19 15:39:57,400 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9286f7c1/b1a5b84faf024ed8a36f0eac1936f2b0/FLAG09f26951a [2018-09-19 15:39:57,602 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:39:57,603 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-09-19 15:39:57,611 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9286f7c1/b1a5b84faf024ed8a36f0eac1936f2b0/FLAG09f26951a [2018-09-19 15:39:57,630 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9286f7c1/b1a5b84faf024ed8a36f0eac1936f2b0 [2018-09-19 15:39:57,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:39:57,643 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:39:57,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:39:57,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:39:57,652 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:39:57,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:39:57" (1/1) ... [2018-09-19 15:39:57,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e9ef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:57, skipping insertion in model container [2018-09-19 15:39:57,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:39:57" (1/1) ... [2018-09-19 15:39:57,672 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:39:57,884 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:39:57,902 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:39:57,920 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:39:57,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:57 WrapperNode [2018-09-19 15:39:57,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:39:57,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:39:57,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:39:57,966 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:39:57,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:57" (1/1) ... [2018-09-19 15:39:57,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:57" (1/1) ... [2018-09-19 15:39:57,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:57" (1/1) ... [2018-09-19 15:39:57,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:57" (1/1) ... [2018-09-19 15:39:58,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:57" (1/1) ... [2018-09-19 15:39:58,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:57" (1/1) ... [2018-09-19 15:39:58,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:57" (1/1) ... [2018-09-19 15:39:58,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:39:58,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:39:58,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:39:58,013 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:39:58,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:57" (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 [2018-09-19 15:39:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:39:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:39:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 15:39:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-09-19 15:39:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:39:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:39:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-09-19 15:39:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 15:39:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-09-19 15:39:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 15:39:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 15:39:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 15:39:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-19 15:39:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 15:39:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:39:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:39:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:39:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 15:39:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-19 15:39:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-19 15:39:58,675 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:39:58,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:39:58 BoogieIcfgContainer [2018-09-19 15:39:58,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:39:58,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:39:58,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:39:58,681 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:39:58,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:39:57" (1/3) ... [2018-09-19 15:39:58,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c64638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:39:58, skipping insertion in model container [2018-09-19 15:39:58,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:57" (2/3) ... [2018-09-19 15:39:58,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c64638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:39:58, skipping insertion in model container [2018-09-19 15:39:58,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:39:58" (3/3) ... [2018-09-19 15:39:58,685 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_tight_false-unreach-call_true-termination.c [2018-09-19 15:39:58,696 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:39:58,709 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:39:58,758 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:39:58,759 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:39:58,759 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:39:58,759 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:39:58,759 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:39:58,759 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:39:58,760 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:39:58,760 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:39:58,760 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:39:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-09-19 15:39:58,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-19 15:39:58,785 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:39:58,786 INFO L376 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] [2018-09-19 15:39:58,789 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:39:58,798 INFO L82 PathProgramCache]: Analyzing trace with hash 637573445, now seen corresponding path program 1 times [2018-09-19 15:39:58,802 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:39:58,803 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 15:39:58,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:39:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-19 15:39:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-19 15:39:59,231 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 15:39:59,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 03:39:59 BoogieIcfgContainer [2018-09-19 15:39:59,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 15:39:59,276 INFO L168 Benchmark]: Toolchain (without parser) took 1635.21 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -724.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2018-09-19 15:39:59,278 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:39:59,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 15:39:59,280 INFO L168 Benchmark]: Boogie Preprocessor took 46.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:39:59,281 INFO L168 Benchmark]: RCFGBuilder took 663.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -771.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-09-19 15:39:59,282 INFO L168 Benchmark]: TraceAbstraction took 598.14 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2018-09-19 15:39:59,286 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 320.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 663.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -771.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 598.14 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L31] CALL, EXPR cast(a) VAL [\old(i)=2214592514] [L16] FCALL union u x, y; VAL [\old(i)=2214592514, i=2214592514, x={2:0}] [L16] FCALL union u x, y; VAL [\old(i)=2214592514, i=2214592514, x={2:0}, y={3:0}] [L17] FCALL x.i[0] = 0x43300000 VAL [\old(i)=2214592514, i=2214592514, x={2:0}, y={3:0}] [L18] EXPR, FCALL x.i[0] VAL [\old(i)=2214592514, i=2214592514, x={2:0}, x.i[0]=1127219200, y={3:0}] [L18] FCALL y.i[0] = x.i[0] VAL [\old(i)=2214592514, i=2214592514, x={2:0}, x.i[0]=1127219200, y={3:0}] [L19] FCALL x.i[1] = 0x80000000 VAL [\old(i)=2214592514, i=2214592514, x={2:0}, y={3:0}] [L20] EXPR, FCALL x.i[1] VAL [\old(i)=2214592514, i=2214592514, x={2:0}, x.i[1]=-2147483648, y={3:0}] [L20] FCALL y.i[1] = i ^ x.i[1] VAL [\old(i)=2214592514, i=2214592514, x={2:0}, x.i[1]=-2147483648, y={3:0}] [L21] EXPR, FCALL y.d VAL [\old(i)=2214592514, i=2214592514, x={2:0}, y={3:0}, y.d=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002052272828708812] [L21] EXPR, FCALL x.d VAL [\old(i)=2214592514, i=2214592514, x={2:0}, x.d=-0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000556920282, y={3:0}, y.d=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002052272828708812] [L21] return y.d - x.d; [L21] return y.d - x.d; VAL [\old(i)=2214592514, \result=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002052272828708812, i=2214592514, y={3:0}] [L21] RET return y.d - x.d; VAL [\old(i)=2214592514, \result=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002052272828708812, i=2214592514] [L31] EXPR cast(a) VAL [a=2214592514, cast(a)=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002052272828708812] [L31] r = cast(a) [L32] CALL __VERIFIER_assert(r == a) VAL [\old(cond)=0] [L7] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 40 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...