/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 0.1.25-72570d3 [2020-08-22 18:29:43,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:29:43,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:29:43,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 18:29:43,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 18:29:43,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 18:29:43,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 18:29:43,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 18:29:43,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 18:29:43,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 18:29:43,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 18:29:43,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 18:29:43,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:29:43,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:29:43,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:29:43,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:29:43,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:29:43,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:29:43,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:29:43,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:29:43,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:29:43,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:29:43,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:29:43,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:29:43,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 18:29:43,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 18:29:43,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 18:29:43,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 18:29:43,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 18:29:43,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 18:29:43,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 18:29:43,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 18:29:43,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 18:29:43,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:29:43,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:29:43,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:29:43,400 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 18:29:43,409 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:29:43,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:29:43,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:29:43,411 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:29:43,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:29:43,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:29:43,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:29:43,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:29:43,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:29:43,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:29:43,412 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:29:43,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:29:43,412 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:29:43,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:29:43,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:29:43,413 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:29:43,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:29:43,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:29:43,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:29:43,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:29:43,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:29:43,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:29:43,414 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:29:43,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:29:43,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:29:43,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:29:43,705 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:29:43,705 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:29:43,706 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_union_loose.c [2020-08-22 18:29:43,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5bb3b260/c51ae9470b7642d091ccdf3d67428761/FLAGb38b925dd [2020-08-22 18:29:44,213 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:29:44,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_loose.c [2020-08-22 18:29:44,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5bb3b260/c51ae9470b7642d091ccdf3d67428761/FLAGb38b925dd [2020-08-22 18:29:44,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5bb3b260/c51ae9470b7642d091ccdf3d67428761 [2020-08-22 18:29:44,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:29:44,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:29:44,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:29:44,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:29:44,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:29:44,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:29:44" (1/1) ... [2020-08-22 18:29:44,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8e33ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:44, skipping insertion in model container [2020-08-22 18:29:44,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:29:44" (1/1) ... [2020-08-22 18:29:44,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:29:44,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:29:44,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:29:44,802 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:29:44,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:29:44,845 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:29:44,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:44 WrapperNode [2020-08-22 18:29:44,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:29:44,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:29:44,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:29:44,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:29:44,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:44" (1/1) ... [2020-08-22 18:29:44,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:44" (1/1) ... [2020-08-22 18:29:44,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:44" (1/1) ... [2020-08-22 18:29:44,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:44" (1/1) ... [2020-08-22 18:29:44,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:44" (1/1) ... [2020-08-22 18:29:44,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:44" (1/1) ... [2020-08-22 18:29:44,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:44" (1/1) ... [2020-08-22 18:29:44,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:29:44,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:29:44,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:29:44,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:29:44,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:44" (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 18:29:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:29:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:29:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-22 18:29:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 18:29:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-08-22 18:29:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:29:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:29:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 18:29:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 18:29:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-22 18:29:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 18:29:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-08-22 18:29:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 18:29:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 18:29:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 18:29:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-08-22 18:29:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 18:29:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:29:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:29:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:29:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-08-22 18:29:45,343 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:29:45,344 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 18:29:45,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:29:45 BoogieIcfgContainer [2020-08-22 18:29:45,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:29:45,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:29:45,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:29:45,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:29:45,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:29:44" (1/3) ... [2020-08-22 18:29:45,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3206bbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:29:45, skipping insertion in model container [2020-08-22 18:29:45,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:44" (2/3) ... [2020-08-22 18:29:45,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3206bbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:29:45, skipping insertion in model container [2020-08-22 18:29:45,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:29:45" (3/3) ... [2020-08-22 18:29:45,356 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_union_loose.c [2020-08-22 18:29:45,365 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:29:45,371 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:29:45,384 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:29:45,403 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:29:45,404 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:29:45,404 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:29:45,404 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:29:45,404 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:29:45,404 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:29:45,404 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:29:45,404 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:29:45,417 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-08-22 18:29:45,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-22 18:29:45,428 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:29:45,429 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] [2020-08-22 18:29:45,429 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:29:45,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:29:45,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1178751454, now seen corresponding path program 1 times [2020-08-22 18:29:45,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:29:45,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889947121] [2020-08-22 18:29:45,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:29:45,494 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:29:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:29:45,608 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:29:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:29:45,715 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:29:45,753 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 18:29:45,754 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 18:29:45,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:29:45,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:29:45 BoogieIcfgContainer [2020-08-22 18:29:45,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 18:29:45,773 INFO L168 Benchmark]: Toolchain (without parser) took 1174.96 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 102.9 MB in the beginning and 143.1 MB in the end (delta: -40.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:45,774 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 18:29:45,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.93 ms. Allocated memory is still 145.2 MB. Free memory was 102.7 MB in the beginning and 91.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:45,776 INFO L168 Benchmark]: Boogie Preprocessor took 115.86 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 91.6 MB in the beginning and 179.6 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:45,777 INFO L168 Benchmark]: RCFGBuilder took 385.62 ms. Allocated memory is still 201.9 MB. Free memory was 179.6 MB in the beginning and 161.4 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:45,778 INFO L168 Benchmark]: TraceAbstraction took 421.00 ms. Allocated memory is still 201.9 MB. Free memory was 160.7 MB in the beginning and 143.1 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:45,782 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 145.2 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.93 ms. Allocated memory is still 145.2 MB. Free memory was 102.7 MB in the beginning and 91.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.86 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 91.6 MB in the beginning and 179.6 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 385.62 ms. Allocated memory is still 201.9 MB. Free memory was 179.6 MB in the beginning and 161.4 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 421.00 ms. Allocated memory is still 201.9 MB. Free memory was 160.7 MB in the beginning and 143.1 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...