/usr/bin/java -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-benchs/cast_union_loose.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:09:53,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:09:53,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:09:53,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:09:53,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:09:53,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:09:53,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:09:53,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:09:53,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:09:53,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:09:53,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:09:53,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:09:53,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:09:54,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:09:54,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:09:54,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:09:54,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:09:54,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:09:54,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:09:54,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:09:54,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:09:54,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:09:54,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:09:54,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:09:54,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 16:09:54,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 16:09:54,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 16:09:54,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 16:09:54,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 16:09:54,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 16:09:54,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 16:09:54,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 16:09:54,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 16:09:54,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 16:09:54,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 16:09:54,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 16:09:54,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 16:09:54,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 16:09:54,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:09:54,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:09:54,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:09:54,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 16:09:54,057 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:09:54,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:09:54,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:09:54,060 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:09:54,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:09:54,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:09:54,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:09:54,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:09:54,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:09:54,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:09:54,063 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:09:54,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:09:54,063 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:09:54,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:09:54,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:09:54,064 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:09:54,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:09:54,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:09:54,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:09:54,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:09:54,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:09:54,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:09:54,065 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:09:54,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:09:54,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:09:54,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:09:54,518 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:09:54,519 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:09:54,520 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_union_loose.c [2020-09-04 16:09:54,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a0b91651/82e38e69a5a04b709e3610124e012100/FLAGe93467da6 [2020-09-04 16:09:55,150 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:09:55,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/cast_union_loose.c [2020-09-04 16:09:55,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a0b91651/82e38e69a5a04b709e3610124e012100/FLAGe93467da6 [2020-09-04 16:09:55,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a0b91651/82e38e69a5a04b709e3610124e012100 [2020-09-04 16:09:55,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:09:55,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:09:55,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:09:55,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:09:55,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:09:55,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:09:55" (1/1) ... [2020-09-04 16:09:55,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d48d131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:55, skipping insertion in model container [2020-09-04 16:09:55,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:09:55" (1/1) ... [2020-09-04 16:09:55,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:09:55,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:09:55,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:09:55,777 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:09:55,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:09:55,832 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:09:55,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:55 WrapperNode [2020-09-04 16:09:55,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:09:55,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:09:55,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:09:55,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:09:55,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:55" (1/1) ... [2020-09-04 16:09:55,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:55" (1/1) ... [2020-09-04 16:09:55,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:55" (1/1) ... [2020-09-04 16:09:55,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:55" (1/1) ... [2020-09-04 16:09:55,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:55" (1/1) ... [2020-09-04 16:09:55,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:55" (1/1) ... [2020-09-04 16:09:55,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:55" (1/1) ... [2020-09-04 16:09:55,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:09:55,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:09:55,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:09:55,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:09:55,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 16:09:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:09:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:09:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-04 16:09:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 16:09:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-09-04 16:09:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:09:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:09:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 16:09:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-04 16:09:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-04 16:09:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 16:09:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-09-04 16:09:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 16:09:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 16:09:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 16:09:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-04 16:09:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 16:09:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:09:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:09:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:09:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-04 16:09:56,381 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:09:56,382 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:09:56,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:09:56 BoogieIcfgContainer [2020-09-04 16:09:56,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:09:56,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:09:56,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:09:56,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:09:56,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:09:55" (1/3) ... [2020-09-04 16:09:56,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68276da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:09:56, skipping insertion in model container [2020-09-04 16:09:56,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:55" (2/3) ... [2020-09-04 16:09:56,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68276da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:09:56, skipping insertion in model container [2020-09-04 16:09:56,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:09:56" (3/3) ... [2020-09-04 16:09:56,396 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_union_loose.c [2020-09-04 16:09:56,407 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:09:56,417 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:09:56,439 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:09:56,464 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:09:56,464 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:09:56,464 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:09:56,464 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:09:56,464 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:09:56,465 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:09:56,465 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:09:56,465 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:09:56,481 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-09-04 16:09:56,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-04 16:09:56,493 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:09:56,495 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] [2020-09-04 16:09:56,495 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:09:56,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:09:56,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1178751454, now seen corresponding path program 1 times [2020-09-04 16:09:56,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:09:56,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128290525] [2020-09-04 16:09:56,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:09:56,585 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:09:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:09:56,752 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:09:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:09:56,805 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:09:56,846 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 16:09:56,846 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 16:09:56,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:09:56,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:09:56 BoogieIcfgContainer [2020-09-04 16:09:56,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:09:56,871 INFO L168 Benchmark]: Toolchain (without parser) took 1368.34 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 104.5 MB in the beginning and 145.9 MB in the end (delta: -41.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:56,872 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 16:09:56,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.65 ms. Allocated memory is still 141.0 MB. Free memory was 104.3 MB in the beginning and 93.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:56,874 INFO L168 Benchmark]: Boogie Preprocessor took 118.09 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 93.3 MB in the beginning and 181.8 MB in the end (delta: -88.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:56,875 INFO L168 Benchmark]: RCFGBuilder took 435.64 ms. Allocated memory is still 204.5 MB. Free memory was 181.8 MB in the beginning and 164.2 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:56,876 INFO L168 Benchmark]: TraceAbstraction took 479.23 ms. Allocated memory is still 204.5 MB. Free memory was 163.6 MB in the beginning and 145.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:56,880 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 329.65 ms. Allocated memory is still 141.0 MB. Free memory was 104.3 MB in the beginning and 93.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.09 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 93.3 MB in the beginning and 181.8 MB in the end (delta: -88.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 435.64 ms. Allocated memory is still 204.5 MB. Free memory was 181.8 MB in the beginning and 164.2 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 479.23 ms. Allocated memory is still 204.5 MB. Free memory was 163.6 MB in the beginning and 145.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 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() [L34] CALL assume_abort_if_not(a >= -10000 && a <= 10000) [L9] COND FALSE !(!cond) [L34] RET assume_abort_if_not(a >= -10000 && a <= 10000) [L36] CALL, EXPR cast(a) [L20] union u x, y; [L21] x.i[0] = 0x43300000 [L22] EXPR x.i[0] [L22] y.i[0] = x.i[0] [L23] x.i[1] = 0x80000000 [L24] EXPR x.i[1] [L24] y.i[1] = i ^ x.i[1] [L25] EXPR y.d [L25] EXPR x.d [L25] return y.d - x.d; [L25] return y.d - x.d; [L25] return y.d - x.d; [L36] RET, EXPR cast(a) [L36] r = cast(a) [L37] CALL __VERIFIER_assert(r >= -10000. && r <= 10000.) [L11] COND TRUE !(cond) [L11] __VERIFIER_error() - 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: No data available, 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...