java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.24-f3d0b09
[2019-08-08 11:41:11,733 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-08-08 11:41:11,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-08-08 11:41:11,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-08-08 11:41:11,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-08-08 11:41:11,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-08-08 11:41:11,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-08-08 11:41:11,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-08-08 11:41:11,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-08-08 11:41:11,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2019-08-08 11:41:11,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-08-08 11:41:11,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-08-08 11:41:11,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-08-08 11:41:11,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-08-08 11:41:11,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-08-08 11:41:11,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-08-08 11:41:11,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2019-08-08 11:41:11,781 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-08-08 11:41:11,795 INFO L113 SettingsManager]: Loading preferences was successful
[2019-08-08 11:41:11,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-08-08 11:41:11,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-08-08 11:41:11,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-08-08 11:41:11,797 INFO L138 SettingsManager]: * Use SBE=true
[2019-08-08 11:41:11,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-08-08 11:41:11,797 INFO L138 SettingsManager]: * sizeof long=4
[2019-08-08 11:41:11,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-08-08 11:41:11,798 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-08-08 11:41:11,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-08-08 11:41:11,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-08-08 11:41:11,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-08-08 11:41:11,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-08-08 11:41:11,799 INFO L138 SettingsManager]: * sizeof long double=12
[2019-08-08 11:41:11,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-08-08 11:41:11,799 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-08-08 11:41:11,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-08-08 11:41:11,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-08-08 11:41:11,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-08-08 11:41:11,800 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-08-08 11:41:11,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-08-08 11:41:11,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-08-08 11:41:11,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-08-08 11:41:11,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-08-08 11:41:11,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-08-08 11:41:11,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-08-08 11:41:11,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-08-08 11:41:11,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-08-08 11:41:11,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-08-08 11:41:11,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-08-08 11:41:11,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-08-08 11:41:11,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-08-08 11:41:11,854 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-08-08 11:41:11,855 INFO L275 PluginConnector]: CDTParser initialized
[2019-08-08 11:41:11,855 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c
[2019-08-08 11:41:11,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002d407f5/92d2f79e71a14e53987d746a4336766f/FLAG2af0e0da3
[2019-08-08 11:41:12,344 INFO L306 CDTParser]: Found 1 translation units.
[2019-08-08 11:41:12,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c
[2019-08-08 11:41:12,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002d407f5/92d2f79e71a14e53987d746a4336766f/FLAG2af0e0da3
[2019-08-08 11:41:12,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002d407f5/92d2f79e71a14e53987d746a4336766f
[2019-08-08 11:41:12,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-08-08 11:41:12,735 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-08-08 11:41:12,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-08-08 11:41:12,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-08-08 11:41:12,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-08-08 11:41:12,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:41:12" (1/1) ...
[2019-08-08 11:41:12,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7623cc85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:41:12, skipping insertion in model container
[2019-08-08 11:41:12,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:41:12" (1/1) ...
[2019-08-08 11:41:12,752 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-08-08 11:41:12,769 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-08-08 11:41:12,941 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-08-08 11:41:12,949 INFO L188 MainTranslator]: Completed pre-run
[2019-08-08 11:41:12,970 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-08-08 11:41:12,989 INFO L192 MainTranslator]: Completed translation
[2019-08-08 11:41:12,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:41:12 WrapperNode
[2019-08-08 11:41:12,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-08-08 11:41:12,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-08-08 11:41:12,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-08-08 11:41:12,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-08-08 11:41:13,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:41:12" (1/1) ...
[2019-08-08 11:41:13,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:41:12" (1/1) ...
[2019-08-08 11:41:13,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:41:12" (1/1) ...
[2019-08-08 11:41:13,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:41:12" (1/1) ...
[2019-08-08 11:41:13,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:41:12" (1/1) ...
[2019-08-08 11:41:13,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:41:12" (1/1) ...
[2019-08-08 11:41:13,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:41:12" (1/1) ...
[2019-08-08 11:41:13,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-08-08 11:41:13,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-08-08 11:41:13,024 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-08-08 11:41:13,025 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-08-08 11:41:13,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:41:12" (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
[2019-08-08 11:41:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-08-08 11:41:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-08-08 11:41:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-08-08 11:41:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-08-08 11:41:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-08-08 11:41:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-08-08 11:41:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-08-08 11:41:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-08-08 11:41:13,333 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-08-08 11:41:13,333 INFO L283 CfgBuilder]: Removed 0 assume(true) statements.
[2019-08-08 11:41:13,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:41:13 BoogieIcfgContainer
[2019-08-08 11:41:13,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-08-08 11:41:13,336 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation----------------------------
[2019-08-08 11:41:13,336 INFO L271 PluginConnector]: Initializing Symbolic Interpretation...
[2019-08-08 11:41:13,336 INFO L275 PluginConnector]: Symbolic Interpretation initialized
[2019-08-08 11:41:13,337 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:41:13" (1/1) ...
[2019-08-08 11:41:13,346 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-08-08 11:41:13,349 INFO L155 IcfgInterpreter]: Building call graph
[2019-08-08 11:41:13,355 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-08-08 11:41:13,362 INFO L165 IcfgInterpreter]: Starting interpretation
[2019-08-08 11:41:13,363 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1
[2019-08-08 11:41:13,403 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 3
[2019-08-08 11:41:13,441 INFO L169 IcfgInterpreter]: Interpretation finished
[2019-08-08 11:41:13,442 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are:
[2019-08-08 11:41:13,444 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 22#(and (exists ((v_~someBinaryFLOATComparisonOperation_6 Bool)) (not v_~someBinaryFLOATComparisonOperation_6)) (exists ((v_~someBinaryFLOATComparisonOperation_5 Bool)) (= main_~__tmp_1~0 (ite v_~someBinaryFLOATComparisonOperation_5 1 0))) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (or (and (= ~__return_main~0 0) (exists ((v_~someBinaryFLOATComparisonOperation_2 Bool)) v_~someBinaryFLOATComparisonOperation_2)) (= ~__return_main~0 0)) (exists ((v_~someBinaryFLOATComparisonOperation_2 Bool)) v_~someBinaryFLOATComparisonOperation_2))
[2019-08-08 11:41:13,446 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results.
[2019-08-08 11:41:13,453 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation----------------------------
[2019-08-08 11:41:13,456 INFO L168 Benchmark]: Toolchain (without parser) took 720.24 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 86.7 MB in the beginning and 162.3 MB in the end (delta: -75.6 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2019-08-08 11:41:13,457 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
[2019-08-08 11:41:13,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.74 ms. Allocated memory is still 136.3 MB. Free memory was 86.2 MB in the beginning and 77.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB.
[2019-08-08 11:41:13,459 INFO L168 Benchmark]: Boogie Preprocessor took 33.55 ms. Allocated memory is still 136.3 MB. Free memory was 77.1 MB in the beginning and 75.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
[2019-08-08 11:41:13,461 INFO L168 Benchmark]: RCFGBuilder took 311.31 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 75.7 MB in the beginning and 167.5 MB in the end (delta: -91.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB.
[2019-08-08 11:41:13,462 INFO L168 Benchmark]: Symbolic Interpretation took 117.72 ms. Allocated memory is still 199.2 MB. Free memory was 167.5 MB in the beginning and 162.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB.
[2019-08-08 11:41:13,466 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation:
- UnprovableResult [Line: 25]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: Interpreter reached this location of interest. Location might be reachable..
Possible FailurePath:
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 253.74 ms. Allocated memory is still 136.3 MB. Free memory was 86.2 MB in the beginning and 77.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 33.55 ms. Allocated memory is still 136.3 MB. Free memory was 77.1 MB in the beginning and 75.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 311.31 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 75.7 MB in the beginning and 167.5 MB in the end (delta: -91.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB.
* Symbolic Interpretation took 117.72 ms. Allocated memory is still 199.2 MB. Free memory was 167.5 MB in the beginning and 162.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB.
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...