/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/floats-cbmc-regression/float-no-simp1.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-b8ad66e
[2020-10-23 20:23:22,630 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-10-23 20:23:22,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-23 20:23:22,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-23 20:23:22,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-23 20:23:22,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-23 20:23:22,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-23 20:23:22,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2020-10-23 20:23:22,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
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[2020-10-23 20:23:22,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-23 20:23:22,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-23 20:23:22,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-23 20:23:22,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-23 20:23:22,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-23 20:23:22,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-23 20:23:22,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-23 20:23:22,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-23 20:23:22,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-10-23 20:23:22,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-23 20:23:22,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-23 20:23:22,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-23 20:23:22,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-23 20:23:22,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-10-23 20:23:22,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-10-23 20:23:22,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-10-23 20:23:22,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-10-23 20:23:22,762 INFO L113 SettingsManager]: Loading preferences was successful
[2020-10-23 20:23:22,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-23 20:23:22,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-23 20:23:22,764 INFO L138 SettingsManager]: * sizeof long=4
[2020-10-23 20:23:22,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-10-23 20:23:22,764 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-10-23 20:23:22,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-10-23 20:23:22,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-10-23 20:23:22,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-23 20:23:22,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-10-23 20:23:22,765 INFO L138 SettingsManager]: * sizeof long double=12
[2020-10-23 20:23:22,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-10-23 20:23:22,766 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-10-23 20:23:22,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-10-23 20:23:22,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-23 20:23:22,766 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-10-23 20:23:22,767 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-10-23 20:23:22,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-10-23 20:23:22,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-23 20:23:22,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-23 20:23:22,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-10-23 20:23:22,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-23 20:23:22,768 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-10-23 20:23:23,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-23 20:23:23,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-23 20:23:23,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-23 20:23:23,208 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-10-23 20:23:23,209 INFO L275 PluginConnector]: CDTParser initialized
[2020-10-23 20:23:23,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c
[2020-10-23 20:23:23,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26a1e65c/a176d4ebc15c4fd187425a2900f31657/FLAGd757857b6
[2020-10-23 20:23:23,941 INFO L306 CDTParser]: Found 1 translation units.
[2020-10-23 20:23:23,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c
[2020-10-23 20:23:23,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26a1e65c/a176d4ebc15c4fd187425a2900f31657/FLAGd757857b6
[2020-10-23 20:23:24,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26a1e65c/a176d4ebc15c4fd187425a2900f31657
[2020-10-23 20:23:24,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-23 20:23:24,319 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-23 20:23:24,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-23 20:23:24,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-23 20:23:24,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-23 20:23:24,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:23:24" (1/1) ...
[2020-10-23 20:23:24,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753d8450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:23:24, skipping insertion in model container
[2020-10-23 20:23:24,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:23:24" (1/1) ...
[2020-10-23 20:23:24,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-10-23 20:23:24,351 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-10-23 20:23:24,501 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 20:23:24,512 INFO L203 MainTranslator]: Completed pre-run
[2020-10-23 20:23:24,528 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 20:23:24,544 INFO L208 MainTranslator]: Completed translation
[2020-10-23 20:23:24,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:23:24 WrapperNode
[2020-10-23 20:23:24,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-23 20:23:24,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-23 20:23:24,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-23 20:23:24,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-10-23 20:23:24,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:23:24" (1/1) ...
[2020-10-23 20:23:24,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:23:24" (1/1) ...
[2020-10-23 20:23:24,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:23:24" (1/1) ...
[2020-10-23 20:23:24,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:23:24" (1/1) ...
[2020-10-23 20:23:24,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:23:24" (1/1) ...
[2020-10-23 20:23:24,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:23:24" (1/1) ...
[2020-10-23 20:23:24,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:23:24" (1/1) ...
[2020-10-23 20:23:24,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-23 20:23:24,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-23 20:23:24,581 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-10-23 20:23:24,582 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-10-23 20:23:24,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:23:24" (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
[2020-10-23 20:23:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-23 20:23:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-23 20:23:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-10-23 20:23:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-10-23 20:23:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-10-23 20:23:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-23 20:23:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-10-23 20:23:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-23 20:23:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-10-23 20:23:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-23 20:23:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-23 20:23:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-23 20:23:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-10-23 20:23:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-10-23 20:23:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-23 20:23:24,895 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-23 20:23:24,896 INFO L298 CfgBuilder]: Removed 0 assume(true) statements.
[2020-10-23 20:23:24,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:23:24 BoogieIcfgContainer
[2020-10-23 20:23:24,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-23 20:23:24,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-23 20:23:24,902 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-10-23 20:23:24,905 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-10-23 20:23:24,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:23:24" (1/3) ...
[2020-10-23 20:23:24,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e2df37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:23:24, skipping insertion in model container
[2020-10-23 20:23:24,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:23:24" (2/3) ...
[2020-10-23 20:23:24,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e2df37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:23:24, skipping insertion in model container
[2020-10-23 20:23:24,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:23:24" (3/3) ...
[2020-10-23 20:23:24,909 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp1.c
[2020-10-23 20:23:24,925 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-23 20:23:24,930 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-10-23 20:23:24,947 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-10-23 20:23:24,978 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-10-23 20:23:24,979 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-10-23 20:23:24,979 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2020-10-23 20:23:24,979 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-23 20:23:24,979 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-23 20:23:24,980 INFO L382 AbstractCegarLoop]: Difference is false
[2020-10-23 20:23:24,980 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-23 20:23:24,980 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-23 20:23:24,998 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states.
[2020-10-23 20:23:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2020-10-23 20:23:25,007 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 20:23:25,008 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]
[2020-10-23 20:23:25,008 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 20:23:25,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 20:23:25,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1689882233, now seen corresponding path program 1 times
[2020-10-23 20:23:25,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 20:23:25,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037860121]
[2020-10-23 20:23:25,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 20:23:25,135 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-10-23 20:23:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 20:23:25,211 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 20:23:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 20:23:25,245 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 20:23:25,280 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-10-23 20:23:25,280 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-10-23 20:23:25,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-23 20:23:25,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:23:25 BoogieIcfgContainer
[2020-10-23 20:23:25,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-23 20:23:25,303 INFO L168 Benchmark]: Toolchain (without parser) took 988.00 ms. Allocated memory is still 166.7 MB. Free memory was 144.2 MB in the beginning and 137.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 8.0 GB.
[2020-10-23 20:23:25,305 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 109.2 MB in the beginning and 109.1 MB in the end (delta: 74.4 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2020-10-23 20:23:25,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.97 ms. Allocated memory is still 166.7 MB. Free memory was 143.5 MB in the beginning and 134.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB.
[2020-10-23 20:23:25,307 INFO L168 Benchmark]: Boogie Preprocessor took 34.17 ms. Allocated memory is still 166.7 MB. Free memory was 134.5 MB in the beginning and 133.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2020-10-23 20:23:25,308 INFO L168 Benchmark]: RCFGBuilder took 317.67 ms. Allocated memory is still 166.7 MB. Free memory was 133.1 MB in the beginning and 151.0 MB in the end (delta: -17.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 8.0 GB.
[2020-10-23 20:23:25,309 INFO L168 Benchmark]: TraceAbstraction took 399.00 ms. Allocated memory is still 166.7 MB. Free memory was 150.8 MB in the beginning and 137.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
[2020-10-23 20:23:25,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 109.2 MB in the beginning and 109.1 MB in the end (delta: 74.4 kB). There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 224.97 ms. Allocated memory is still 166.7 MB. Free memory was 143.5 MB in the beginning and 134.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 34.17 ms. Allocated memory is still 166.7 MB. Free memory was 134.5 MB in the beginning and 133.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 317.67 ms. Allocated memory is still 166.7 MB. Free memory was 133.1 MB in the beginning and 151.0 MB in the end (delta: -17.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 399.00 ms. Allocated memory is still 166.7 MB. Free memory was 150.8 MB in the beginning and 137.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of to_int at line 11, overapproximation of to_real at line 10.
Possible FailurePath:
[L6] unsigned int i, j;
[L7] double d;
[L9] i=100.0
[L10] d=i
[L11] j=d
[L12] COND TRUE !(j==100)
[L12] CALL reach_error()
[L3] __assert_fail("0", "float-no-simp1.c", 3, "reach_error")
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 29 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=29occurred 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...