/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_tight.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:29:47,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:29:47,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:29:47,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 18:29:47,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 18:29:47,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 18:29:47,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 18:29:47,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 18:29:47,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 18:29:47,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 18:29:47,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 18:29:47,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 18:29:47,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:29:47,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:29:47,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:29:47,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:29:47,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:29:47,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:29:47,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:29:47,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:29:47,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:29:47,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:29:47,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:29:47,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:29:47,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 18:29:47,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 18:29:47,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 18:29:47,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 18:29:47,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 18:29:47,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 18:29:47,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 18:29:47,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 18:29:47,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 18:29:47,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:29:47,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:29:47,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:29:47,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 18:29:47,084 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:29:47,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:29:47,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:29:47,087 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:29:47,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:29:47,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:29:47,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:29:47,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:29:47,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:29:47,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:29:47,090 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:29:47,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:29:47,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:29:47,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:29:47,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:29:47,091 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:29:47,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:29:47,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:29:47,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:29:47,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:29:47,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:29:47,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:29:47,092 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:29:47,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:29:47,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:29:47,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:29:47,429 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:29:47,429 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:29:47,430 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_union_tight.c [2020-08-22 18:29:47,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/190c1877f/0416dccf2fff4c4b920f3377bbb431bf/FLAG45a58787a [2020-08-22 18:29:47,950 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:29:47,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_tight.c [2020-08-22 18:29:47,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/190c1877f/0416dccf2fff4c4b920f3377bbb431bf/FLAG45a58787a [2020-08-22 18:29:48,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/190c1877f/0416dccf2fff4c4b920f3377bbb431bf [2020-08-22 18:29:48,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:29:48,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:29:48,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:29:48,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:29:48,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:29:48,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:29:48" (1/1) ... [2020-08-22 18:29:48,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a866787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:48, skipping insertion in model container [2020-08-22 18:29:48,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:29:48" (1/1) ... [2020-08-22 18:29:48,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:29:48,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:29:48,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:29:48,539 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:29:48,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:29:48,580 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:29:48,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:48 WrapperNode [2020-08-22 18:29:48,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:29:48,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:29:48,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:29:48,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:29:48,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:48" (1/1) ... [2020-08-22 18:29:48,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:48" (1/1) ... [2020-08-22 18:29:48,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:48" (1/1) ... [2020-08-22 18:29:48,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:48" (1/1) ... [2020-08-22 18:29:48,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:48" (1/1) ... [2020-08-22 18:29:48,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:48" (1/1) ... [2020-08-22 18:29:48,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:48" (1/1) ... [2020-08-22 18:29:48,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:29:48,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:29:48,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:29:48,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:29:48,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:48" (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 [2020-08-22 18:29:48,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:29:48,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:29:48,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 18:29:48,757 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-08-22 18:29:48,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:29:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:29:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 18:29:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 18:29:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-08-22 18:29:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 18:29:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 18:29:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 18:29:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-08-22 18:29:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 18:29:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:29:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:29:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:29:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-08-22 18:29:49,096 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:29:49,097 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 18:29:49,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:29:49 BoogieIcfgContainer [2020-08-22 18:29:49,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:29:49,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:29:49,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:29:49,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:29:49,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:29:48" (1/3) ... [2020-08-22 18:29:49,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df2f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:29:49, skipping insertion in model container [2020-08-22 18:29:49,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:48" (2/3) ... [2020-08-22 18:29:49,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df2f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:29:49, skipping insertion in model container [2020-08-22 18:29:49,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:29:49" (3/3) ... [2020-08-22 18:29:49,110 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2020-08-22 18:29:49,119 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:29:49,125 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:29:49,139 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:29:49,157 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:29:49,157 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:29:49,157 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:29:49,157 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:29:49,157 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:29:49,158 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:29:49,158 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:29:49,158 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:29:49,170 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-08-22 18:29:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-22 18:29:49,180 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:29:49,181 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] [2020-08-22 18:29:49,181 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:29:49,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:29:49,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1594393316, now seen corresponding path program 1 times [2020-08-22 18:29:49,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:29:49,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884925726] [2020-08-22 18:29:49,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:29:49,245 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:29:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:29:49,338 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:29:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:29:49,384 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:29:49,420 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 18:29:49,420 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 18:29:49,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:29:49,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:29:49 BoogieIcfgContainer [2020-08-22 18:29:49,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 18:29:49,442 INFO L168 Benchmark]: Toolchain (without parser) took 1115.62 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 144.6 MB in the end (delta: -42.0 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:49,443 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 18:29:49,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.45 ms. Allocated memory is still 138.4 MB. Free memory was 102.4 MB in the beginning and 92.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:49,445 INFO L168 Benchmark]: Boogie Preprocessor took 120.29 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 92.0 MB in the beginning and 179.6 MB in the end (delta: -87.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:49,446 INFO L168 Benchmark]: RCFGBuilder took 401.07 ms. Allocated memory is still 201.9 MB. Free memory was 179.0 MB in the beginning and 161.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:49,447 INFO L168 Benchmark]: TraceAbstraction took 335.57 ms. Allocated memory is still 201.9 MB. Free memory was 161.1 MB in the beginning and 144.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:49,452 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.45 ms. Allocated memory is still 138.4 MB. Free memory was 102.4 MB in the beginning and 92.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.29 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 92.0 MB in the beginning and 179.6 MB in the end (delta: -87.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 401.07 ms. Allocated memory is still 201.9 MB. Free memory was 179.0 MB in the beginning and 161.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 335.57 ms. Allocated memory is still 201.9 MB. Free memory was 161.1 MB in the beginning and 144.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 32, overapproximation of bitwiseXor at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 21. Possible FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L31] CALL, EXPR cast(a) [L16] union u x, y; [L17] x.i[0] = 0x43300000 [L18] EXPR x.i[0] [L18] y.i[0] = x.i[0] [L19] x.i[1] = 0x80000000 [L20] EXPR x.i[1] [L20] y.i[1] = i ^ x.i[1] [L21] EXPR y.d [L21] EXPR x.d [L21] return y.d - x.d; [L21] return y.d - x.d; [L21] return y.d - x.d; [L31] RET, EXPR cast(a) [L31] r = cast(a) [L32] CALL __VERIFIER_assert(r == a) [L7] COND TRUE !(cond) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, 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=49occurred 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...