/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/floats-cbmc-regression/float11.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-3af5e1f
[2020-09-04 16:09:18,905 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-04 16:09:18,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-04 16:09:18,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-04 16:09:18,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-04 16:09:18,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-04 16:09:18,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-04 16:09:18,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-04 16:09:18,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-04 16:09:18,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-04 16:09:18,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-04 16:09:18,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-04 16:09:18,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-04 16:09:18,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-04 16:09:18,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-04 16:09:18,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-04 16:09:18,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-04 16:09:18,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-04 16:09:18,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-04 16:09:18,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-04 16:09:19,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-04 16:09:19,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-04 16:09:19,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-04 16:09:19,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-04 16:09:19,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-04 16:09:19,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-04 16:09:19,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-04 16:09:19,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-04 16:09:19,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-04 16:09:19,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-04 16:09:19,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-04 16:09:19,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-04 16:09:19,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-04 16:09:19,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-04 16:09:19,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-04 16:09:19,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-04 16:09:19,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-04 16:09:19,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-04 16:09:19,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-04 16:09:19,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-04 16:09:19,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-04 16:09:19,023 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 16:09:19,041 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-04 16:09:19,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-04 16:09:19,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-04 16:09:19,044 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-04 16:09:19,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-04 16:09:19,044 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-04 16:09:19,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-04 16:09:19,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-04 16:09:19,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-04 16:09:19,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-04 16:09:19,046 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-04 16:09:19,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-04 16:09:19,046 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-04 16:09:19,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-04 16:09:19,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-04 16:09:19,047 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-09-04 16:09:19,047 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-04 16:09:19,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-04 16:09:19,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-04 16:09:19,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-04 16:09:19,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-09-04 16:09:19,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-04 16:09:19,049 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
[2020-09-04 16:09:19,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-04 16:09:19,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-04 16:09:19,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-04 16:09:19,470 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-04 16:09:19,471 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-04 16:09:19,472 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float11.c
[2020-09-04 16:09:19,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f4e55676/c5beea7e53b941abaaf2104db3b54779/FLAG398f8e9f1
[2020-09-04 16:09:20,082 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-04 16:09:20,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-cbmc-regression/float11.c
[2020-09-04 16:09:20,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f4e55676/c5beea7e53b941abaaf2104db3b54779/FLAG398f8e9f1
[2020-09-04 16:09:20,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f4e55676/c5beea7e53b941abaaf2104db3b54779
[2020-09-04 16:09:20,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-04 16:09:20,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-04 16:09:20,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-04 16:09:20,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-04 16:09:20,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-04 16:09:20,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:09:20" (1/1) ...
[2020-09-04 16:09:20,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e28bb4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:20, skipping insertion in model container
[2020-09-04 16:09:20,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:09:20" (1/1) ...
[2020-09-04 16:09:20,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-04 16:09:20,479 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-04 16:09:20,714 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-04 16:09:20,722 INFO L203 MainTranslator]: Completed pre-run
[2020-09-04 16:09:20,746 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-04 16:09:20,763 INFO L208 MainTranslator]: Completed translation
[2020-09-04 16:09:20,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:20 WrapperNode
[2020-09-04 16:09:20,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-04 16:09:20,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-04 16:09:20,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-04 16:09:20,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-04 16:09:20,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:20" (1/1) ...
[2020-09-04 16:09:20,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:20" (1/1) ...
[2020-09-04 16:09:20,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:20" (1/1) ...
[2020-09-04 16:09:20,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:20" (1/1) ...
[2020-09-04 16:09:20,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:20" (1/1) ...
[2020-09-04 16:09:20,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:20" (1/1) ...
[2020-09-04 16:09:20,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:20" (1/1) ...
[2020-09-04 16:09:20,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-04 16:09:20,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-04 16:09:20,804 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-04 16:09:20,804 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-04 16:09:20,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:20" (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 16:09:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-04 16:09:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-04 16:09:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-04 16:09:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-04 16:09:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-04 16:09:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-04 16:09:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-04 16:09:21,310 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-04 16:09:21,310 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-04 16:09:21,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:09:21 BoogieIcfgContainer
[2020-09-04 16:09:21,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-04 16:09:21,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-04 16:09:21,319 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-04 16:09:21,323 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-04 16:09:21,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:09:20" (1/3) ...
[2020-09-04 16:09:21,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0852e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:09:21, skipping insertion in model container
[2020-09-04 16:09:21,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:20" (2/3) ...
[2020-09-04 16:09:21,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0852e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:09:21, skipping insertion in model container
[2020-09-04 16:09:21,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:09:21" (3/3) ...
[2020-09-04 16:09:21,327 INFO L109 eAbstractionObserver]: Analyzing ICFG float11.c
[2020-09-04 16:09:21,339 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-04 16:09:21,348 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations.
[2020-09-04 16:09:21,369 INFO L251 AbstractCegarLoop]: Starting to check reachability of 30 error locations.
[2020-09-04 16:09:21,398 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-04 16:09:21,398 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-04 16:09:21,399 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2020-09-04 16:09:21,399 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-04 16:09:21,399 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-04 16:09:21,399 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-04 16:09:21,400 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-04 16:09:21,400 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-04 16:09:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states.
[2020-09-04 16:09:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2020-09-04 16:09:21,439 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 16:09:21,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2020-09-04 16:09:21,441 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 16:09:21,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 16:09:21,448 INFO L82 PathProgramCache]: Analyzing trace with hash -680722770, now seen corresponding path program 1 times
[2020-09-04 16:09:21,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-04 16:09:21,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35331944]
[2020-09-04 16:09:21,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 16:09:21,526 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-09-04 16:09:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-04 16:09:21,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-09-04 16:09:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-04 16:09:21,548 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-09-04 16:09:21,561 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-04 16:09:21,561 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-04 16:09:21,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-04 16:09:21,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:09:21 BoogieIcfgContainer
[2020-09-04 16:09:21,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-04 16:09:21,586 INFO L168 Benchmark]: Toolchain (without parser) took 1152.50 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 104.0 MB in the beginning and 150.5 MB in the end (delta: -46.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB.
[2020-09-04 16:09:21,587 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-04 16:09:21,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.16 ms. Allocated memory is still 140.5 MB. Free memory was 103.8 MB in the beginning and 93.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB.
[2020-09-04 16:09:21,589 INFO L168 Benchmark]: Boogie Preprocessor took 38.96 ms. Allocated memory is still 140.5 MB. Free memory was 93.5 MB in the beginning and 91.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB.
[2020-09-04 16:09:21,590 INFO L168 Benchmark]: RCFGBuilder took 513.46 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 91.8 MB in the beginning and 163.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB.
[2020-09-04 16:09:21,591 INFO L168 Benchmark]: TraceAbstraction took 263.69 ms. Allocated memory is still 204.5 MB. Free memory was 162.7 MB in the beginning and 150.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB.
[2020-09-04 16:09:21,595 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 329.16 ms. Allocated memory is still 140.5 MB. Free memory was 103.8 MB in the beginning and 93.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 38.96 ms. Allocated memory is still 140.5 MB. Free memory was 93.5 MB in the beginning and 91.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 513.46 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 91.8 MB in the beginning and 163.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 263.69 ms. Allocated memory is still 204.5 MB. Free memory was 162.7 MB in the beginning and 150.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 5.
Possible FailurePath:
[L5] COND TRUE !(1.0<2.5)
[L5] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 98 locations, 30 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=98occurred 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...