/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_float_ptr.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-b7b32d2
[2021-02-21 20:08:25,213 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-02-21 20:08:25,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-02-21 20:08:25,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-02-21 20:08:25,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-02-21 20:08:25,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-02-21 20:08:25,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-02-21 20:08:25,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2021-02-21 20:08:25,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-02-21 20:08:25,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-02-21 20:08:25,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-02-21 20:08:25,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-02-21 20:08:25,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-02-21 20:08:25,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-02-21 20:08:25,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-02-21 20:08:25,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-02-21 20:08:25,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-02-21 20:08:25,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-02-21 20:08:25,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-02-21 20:08:25,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-02-21 20:08:25,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-02-21 20:08:25,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-02-21 20:08:25,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-02-21 20:08:25,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-02-21 20:08:25,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-02-21 20:08:25,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2021-02-21 20:08:25,383 INFO L113 SettingsManager]: Loading preferences was successful
[2021-02-21 20:08:25,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-02-21 20:08:25,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-02-21 20:08:25,388 INFO L138 SettingsManager]: * sizeof long=4
[2021-02-21 20:08:25,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-02-21 20:08:25,389 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-02-21 20:08:25,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-02-21 20:08:25,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-02-21 20:08:25,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-02-21 20:08:25,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-02-21 20:08:25,390 INFO L138 SettingsManager]: * sizeof long double=12
[2021-02-21 20:08:25,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-02-21 20:08:25,391 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-02-21 20:08:25,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-02-21 20:08:25,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-02-21 20:08:25,392 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2021-02-21 20:08:25,392 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-02-21 20:08:25,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-02-21 20:08:25,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-21 20:08:25,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-02-21 20:08:25,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2021-02-21 20:08:25,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-02-21 20:08:25,393 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-02-21 20:08:25,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-02-21 20:08:25,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-02-21 20:08:25,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-02-21 20:08:25,817 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-02-21 20:08:25,818 INFO L275 PluginConnector]: CDTParser initialized
[2021-02-21 20:08:25,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c
[2021-02-21 20:08:25,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/242d44399/13ec7b91999047a0b27fa54433b65159/FLAG20199527b
[2021-02-21 20:08:26,550 INFO L306 CDTParser]: Found 1 translation units.
[2021-02-21 20:08:26,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_ptr.c
[2021-02-21 20:08:26,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/242d44399/13ec7b91999047a0b27fa54433b65159/FLAG20199527b
[2021-02-21 20:08:26,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/242d44399/13ec7b91999047a0b27fa54433b65159
[2021-02-21 20:08:26,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-02-21 20:08:26,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-02-21 20:08:26,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-02-21 20:08:26,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-02-21 20:08:26,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-02-21 20:08:26,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:08:26" (1/1) ...
[2021-02-21 20:08:26,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9335f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:08:26, skipping insertion in model container
[2021-02-21 20:08:26,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:08:26" (1/1) ...
[2021-02-21 20:08:26,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-02-21 20:08:26,977 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-02-21 20:08:27,142 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_ptr.c[362,375]
[2021-02-21 20:08:27,161 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-21 20:08:27,172 INFO L203 MainTranslator]: Completed pre-run
[2021-02-21 20:08:27,187 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_ptr.c[362,375]
[2021-02-21 20:08:27,194 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-21 20:08:27,212 INFO L208 MainTranslator]: Completed translation
[2021-02-21 20:08:27,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:08:27 WrapperNode
[2021-02-21 20:08:27,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-02-21 20:08:27,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-02-21 20:08:27,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-02-21 20:08:27,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-02-21 20:08:27,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:08:27" (1/1) ...
[2021-02-21 20:08:27,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:08:27" (1/1) ...
[2021-02-21 20:08:27,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:08:27" (1/1) ...
[2021-02-21 20:08:27,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:08:27" (1/1) ...
[2021-02-21 20:08:27,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:08:27" (1/1) ...
[2021-02-21 20:08:27,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:08:27" (1/1) ...
[2021-02-21 20:08:27,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:08:27" (1/1) ...
[2021-02-21 20:08:27,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-02-21 20:08:27,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-02-21 20:08:27,257 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-02-21 20:08:27,257 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-02-21 20:08:27,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:08:27" (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
[2021-02-21 20:08:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-02-21 20:08:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-02-21 20:08:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-02-21 20:08:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-02-21 20:08:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure cast
[2021-02-21 20:08:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-02-21 20:08:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-02-21 20:08:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-02-21 20:08:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-02-21 20:08:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-02-21 20:08:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double
[2021-02-21 20:08:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-02-21 20:08:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure cast
[2021-02-21 20:08:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2021-02-21 20:08:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-02-21 20:08:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-02-21 20:08:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-02-21 20:08:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2021-02-21 20:08:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-02-21 20:08:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-02-21 20:08:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-02-21 20:08:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-02-21 20:08:28,035 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-02-21 20:08:28,035 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-02-21 20:08:28,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:08:28 BoogieIcfgContainer
[2021-02-21 20:08:28,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-02-21 20:08:28,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-02-21 20:08:28,042 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-02-21 20:08:28,046 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-02-21 20:08:28,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 08:08:26" (1/3) ...
[2021-02-21 20:08:28,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0b49aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:08:28, skipping insertion in model container
[2021-02-21 20:08:28,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:08:27" (2/3) ...
[2021-02-21 20:08:28,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0b49aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:08:28, skipping insertion in model container
[2021-02-21 20:08:28,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:08:28" (3/3) ...
[2021-02-21 20:08:28,051 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c
[2021-02-21 20:08:28,058 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2021-02-21 20:08:28,063 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-02-21 20:08:28,083 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-02-21 20:08:28,119 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-02-21 20:08:28,119 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-02-21 20:08:28,119 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2021-02-21 20:08:28,119 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-02-21 20:08:28,120 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-02-21 20:08:28,120 INFO L381 AbstractCegarLoop]: Difference is false
[2021-02-21 20:08:28,120 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-02-21 20:08:28,120 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-02-21 20:08:28,146 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states.
[2021-02-21 20:08:28,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2021-02-21 20:08:28,163 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-21 20:08:28,164 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]
[2021-02-21 20:08:28,164 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-21 20:08:28,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-21 20:08:28,174 INFO L82 PathProgramCache]: Analyzing trace with hash 501432758, now seen corresponding path program 1 times
[2021-02-21 20:08:28,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2021-02-21 20:08:28,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71741793]
[2021-02-21 20:08:28,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-21 20:08:28,281 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2021-02-21 20:08:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-02-21 20:08:28,441 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-02-21 20:08:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-02-21 20:08:28,490 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-02-21 20:08:28,529 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2021-02-21 20:08:28,529 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2021-02-21 20:08:28,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-02-21 20:08:28,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 08:08:28 BoogieIcfgContainer
[2021-02-21 20:08:28,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-02-21 20:08:28,556 INFO L168 Benchmark]: Toolchain (without parser) took 1621.25 ms. Allocated memory is still 154.1 MB. Free memory was 131.0 MB in the beginning and 114.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 8.0 GB.
[2021-02-21 20:08:28,557 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 154.1 MB. Free memory is still 127.8 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-02-21 20:08:28,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.89 ms. Allocated memory is still 154.1 MB. Free memory was 129.9 MB in the beginning and 120.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
[2021-02-21 20:08:28,565 INFO L168 Benchmark]: Boogie Preprocessor took 41.97 ms. Allocated memory is still 154.1 MB. Free memory was 120.1 MB in the beginning and 118.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-02-21 20:08:28,566 INFO L168 Benchmark]: RCFGBuilder took 780.79 ms. Allocated memory is still 154.1 MB. Free memory was 118.5 MB in the beginning and 131.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 19.6 MB. Max. memory is 8.0 GB.
[2021-02-21 20:08:28,567 INFO L168 Benchmark]: TraceAbstraction took 509.77 ms. Allocated memory is still 154.1 MB. Free memory was 131.4 MB in the beginning and 114.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB.
[2021-02-21 20:08:28,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 154.1 MB. Free memory is still 127.8 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 268.89 ms. Allocated memory is still 154.1 MB. Free memory was 129.9 MB in the beginning and 120.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 41.97 ms. Allocated memory is still 154.1 MB. Free memory was 120.1 MB in the beginning and 118.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 780.79 ms. Allocated memory is still 154.1 MB. Free memory was 118.5 MB in the beginning and 131.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 19.6 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 509.77 ms. Allocated memory is still 154.1 MB. Free memory was 131.4 MB in the beginning and 114.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 5]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 25, overapproximation of bitwiseAnd at line 13.
Possible FailurePath:
[L34] double a;
[L35] float r;
[L37] a = __VERIFIER_nondet_double()
[L38] CALL cast(a)
[L10] double dmax;
[L11] float f;
[L13] EXPR \read(d)
[L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047)
[L15] ((unsigned*)&dmax)[0] = 0x47efffff
[L16] ((unsigned*)&dmax)[1] = 0xe0000000
[L18] EXPR \read(d)
[L18] EXPR \read(dmax)
[L18] COND FALSE !(d > dmax)
[L21] EXPR \read(d)
[L21] EXPR \read(dmax)
[L21] COND FALSE !(-d > dmax)
[L25] EXPR \read(d)
[L25] EXPR d >= -3.41e38 && d <= 3.41e38
[L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38)
[L5] COND TRUE !(cond)
[L5] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 6 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, 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=87occurred 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...