/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-36cd7be
[2021-02-24 03:56:36,313 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-02-24 03:56:36,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-02-24 03:56:36,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-02-24 03:56:36,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-02-24 03:56:36,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-02-24 03:56:36,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2021-02-24 03:56:36,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-02-24 03:56:36,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-02-24 03:56:36,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-02-24 03:56:36,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-02-24 03:56:36,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-02-24 03:56:36,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-02-24 03:56:36,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-02-24 03:56:36,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-02-24 03:56:36,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-02-24 03:56:36,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2021-02-24 03:56:36,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-02-24 03:56:36,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf
[2021-02-24 03:56:36,424 INFO L113 SettingsManager]: Loading preferences was successful
[2021-02-24 03:56:36,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-02-24 03:56:36,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-02-24 03:56:36,427 INFO L138 SettingsManager]: * sizeof long=4
[2021-02-24 03:56:36,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-02-24 03:56:36,427 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-02-24 03:56:36,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-02-24 03:56:36,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-02-24 03:56:36,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-02-24 03:56:36,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-02-24 03:56:36,428 INFO L138 SettingsManager]: * sizeof long double=12
[2021-02-24 03:56:36,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-02-24 03:56:36,429 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-02-24 03:56:36,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-02-24 03:56:36,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-02-24 03:56:36,430 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2021-02-24 03:56:36,430 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-02-24 03:56:36,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-02-24 03:56:36,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-24 03:56:36,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-02-24 03:56:36,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2021-02-24 03:56:36,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-02-24 03:56:36,432 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX
[2021-02-24 03:56:36,432 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-02-24 03:56:36,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-02-24 03:56:36,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-02-24 03:56:36,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-02-24 03:56:36,913 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-02-24 03:56:36,913 INFO L275 PluginConnector]: CDTParser initialized
[2021-02-24 03:56:36,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c
[2021-02-24 03:56:36,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b08d681d7/7f5450df37a54df4b989d469cc2cbe6e/FLAG0a8fbf91d
[2021-02-24 03:56:37,571 INFO L306 CDTParser]: Found 1 translation units.
[2021-02-24 03:56:37,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c
[2021-02-24 03:56:37,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b08d681d7/7f5450df37a54df4b989d469cc2cbe6e/FLAG0a8fbf91d
[2021-02-24 03:56:37,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b08d681d7/7f5450df37a54df4b989d469cc2cbe6e
[2021-02-24 03:56:37,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-02-24 03:56:37,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-02-24 03:56:37,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-02-24 03:56:37,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-02-24 03:56:37,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-02-24 03:56:37,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:56:37" (1/1) ...
[2021-02-24 03:56:37,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374feae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:37, skipping insertion in model container
[2021-02-24 03:56:37,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:56:37" (1/1) ...
[2021-02-24 03:56:37,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-02-24 03:56:37,980 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-02-24 03:56:38,128 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c[423,436]
[2021-02-24 03:56:38,132 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-24 03:56:38,142 INFO L203 MainTranslator]: Completed pre-run
[2021-02-24 03:56:38,157 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/integerpromotion-2.c[423,436]
[2021-02-24 03:56:38,158 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-24 03:56:38,174 INFO L208 MainTranslator]: Completed translation
[2021-02-24 03:56:38,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:38 WrapperNode
[2021-02-24 03:56:38,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-02-24 03:56:38,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-02-24 03:56:38,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-02-24 03:56:38,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-02-24 03:56:38,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:38" (1/1) ...
[2021-02-24 03:56:38,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:38" (1/1) ...
[2021-02-24 03:56:38,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:38" (1/1) ...
[2021-02-24 03:56:38,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:38" (1/1) ...
[2021-02-24 03:56:38,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:38" (1/1) ...
[2021-02-24 03:56:38,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:38" (1/1) ...
[2021-02-24 03:56:38,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:38" (1/1) ...
[2021-02-24 03:56:38,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-02-24 03:56:38,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-02-24 03:56:38,212 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-02-24 03:56:38,212 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-02-24 03:56:38,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:38" (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
[2021-02-24 03:56:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-02-24 03:56:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-02-24 03:56:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-02-24 03:56:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-02-24 03:56:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-02-24 03:56:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-02-24 03:56:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-02-24 03:56:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-02-24 03:56:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-02-24 03:56:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-02-24 03:56:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-02-24 03:56:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-02-24 03:56:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-02-24 03:56:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-02-24 03:56:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-02-24 03:56:38,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-02-24 03:56:38,679 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-02-24 03:56:38,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:56:38 BoogieIcfgContainer
[2021-02-24 03:56:38,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-02-24 03:56:38,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-02-24 03:56:38,683 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-02-24 03:56:38,686 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-02-24 03:56:38,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:56:37" (1/3) ...
[2021-02-24 03:56:38,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232594ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:56:38, skipping insertion in model container
[2021-02-24 03:56:38,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:38" (2/3) ...
[2021-02-24 03:56:38,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232594ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:56:38, skipping insertion in model container
[2021-02-24 03:56:38,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:56:38" (3/3) ...
[2021-02-24 03:56:38,690 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c
[2021-02-24 03:56:38,697 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2021-02-24 03:56:38,702 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-02-24 03:56:38,722 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-02-24 03:56:38,747 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-02-24 03:56:38,747 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-02-24 03:56:38,747 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2021-02-24 03:56:38,748 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-02-24 03:56:38,748 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-02-24 03:56:38,748 INFO L381 AbstractCegarLoop]: Difference is false
[2021-02-24 03:56:38,748 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-02-24 03:56:38,748 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-02-24 03:56:38,797 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states.
[2021-02-24 03:56:38,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-02-24 03:56:38,823 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-24 03:56:38,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-24 03:56:38,824 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-24 03:56:38,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-24 03:56:38,836 INFO L82 PathProgramCache]: Analyzing trace with hash 196239954, now seen corresponding path program 1 times
[2021-02-24 03:56:38,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2021-02-24 03:56:38,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1871175705]
[2021-02-24 03:56:38,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-24 03:56:38,925 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2021-02-24 03:56:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-02-24 03:56:38,993 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-02-24 03:56:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-02-24 03:56:39,024 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-02-24 03:56:39,055 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2021-02-24 03:56:39,055 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2021-02-24 03:56:39,056 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-02-24 03:56:39,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 03:56:39 BoogieIcfgContainer
[2021-02-24 03:56:39,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-02-24 03:56:39,089 INFO L168 Benchmark]: Toolchain (without parser) took 1149.06 ms. Allocated memory is still 155.2 MB. Free memory was 131.1 MB in the beginning and 127.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.9 MB. Max. memory is 8.0 GB.
[2021-02-24 03:56:39,092 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 155.2 MB. Free memory is still 129.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-02-24 03:56:39,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.67 ms. Allocated memory is still 155.2 MB. Free memory was 129.9 MB in the beginning and 120.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
[2021-02-24 03:56:39,097 INFO L168 Benchmark]: Boogie Preprocessor took 34.46 ms. Allocated memory is still 155.2 MB. Free memory was 120.7 MB in the beginning and 119.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-02-24 03:56:39,099 INFO L168 Benchmark]: RCFGBuilder took 469.67 ms. Allocated memory is still 155.2 MB. Free memory was 119.4 MB in the beginning and 107.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
[2021-02-24 03:56:39,100 INFO L168 Benchmark]: TraceAbstraction took 400.35 ms. Allocated memory is still 155.2 MB. Free memory was 106.5 MB in the beginning and 127.6 MB in the end (delta: -21.1 MB). There was no memory consumed. Max. memory is 8.0 GB.
[2021-02-24 03:56:39,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16 ms. Allocated memory is still 155.2 MB. Free memory is still 129.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 224.67 ms. Allocated memory is still 155.2 MB. Free memory was 129.9 MB in the beginning and 120.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 34.46 ms. Allocated memory is still 155.2 MB. Free memory was 120.7 MB in the beginning and 119.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 469.67 ms. Allocated memory is still 155.2 MB. Free memory was 119.4 MB in the beginning and 107.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 400.35 ms. Allocated memory is still 155.2 MB. Free memory was 106.5 MB in the beginning and 127.6 MB in the end (delta: -21.1 MB). There was no memory consumed. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: overapproximation of bitwiseComplement at line 8.
Possible FailurePath:
[L7] unsigned char port = 0x5a;
[L8] unsigned char result_8 = ( ~port ) >> 4;
[L9] COND TRUE result_8 != 0xfa
[L14] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 27 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=24occurred 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...