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/Double_div_bad.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:18:42,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:18:42,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:18:42,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:18:42,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:18:42,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:18:42,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:18:42,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:18:42,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:18:42,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:18:42,738 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:18:42,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:18:42,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:18:42,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:18:42,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:18:42,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:18:42,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:18:42,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:18:42,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:18:42,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:18:42,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:18:42,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:18:42,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:18:42,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:18:42,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:18:42,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:18:42,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:18:42,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:18:42,767 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 [2019-08-18 06:18:42,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:18:42,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:18:42,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:18:42,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:18:42,784 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:18:42,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:18:42,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:18:42,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:18:42,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:18:42,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:18:42,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:18:42,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:18:42,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:18:42,786 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:18:42,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:18:42,787 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:18:42,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:18:42,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:18:42,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:18:42,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:18:42,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:18:42,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:18:42,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:18:42,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:18:42,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:18:42,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:18:42,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:18:42,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:18:42,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:18:42,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:18:42,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:18:42,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:18:42,842 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:18:42,842 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:18:42,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Double_div_bad.i [2019-08-18 06:18:42,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee400c4f8/98c34d74e5e14eb09a1822aa75c1515b/FLAGe8252e20c [2019-08-18 06:18:43,310 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:18:43,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Double_div_bad.i [2019-08-18 06:18:43,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee400c4f8/98c34d74e5e14eb09a1822aa75c1515b/FLAGe8252e20c [2019-08-18 06:18:43,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee400c4f8/98c34d74e5e14eb09a1822aa75c1515b [2019-08-18 06:18:43,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:18:43,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:18:43,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:18:43,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:18:43,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:18:43,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:18:43" (1/1) ... [2019-08-18 06:18:43,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5251a667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:43, skipping insertion in model container [2019-08-18 06:18:43,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:18:43" (1/1) ... [2019-08-18 06:18:43,713 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:18:43,729 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:18:43,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:18:43,921 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:18:43,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:18:43,975 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:18:43,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:43 WrapperNode [2019-08-18 06:18:43,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:18:43,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:18:43,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:18:43,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:18:44,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:43" (1/1) ... [2019-08-18 06:18:44,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:43" (1/1) ... [2019-08-18 06:18:44,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:43" (1/1) ... [2019-08-18 06:18:44,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:43" (1/1) ... [2019-08-18 06:18:44,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:43" (1/1) ... [2019-08-18 06:18:44,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:43" (1/1) ... [2019-08-18 06:18:44,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:43" (1/1) ... [2019-08-18 06:18:44,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:18:44,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:18:44,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:18:44,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:18:44,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:43" (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 [2019-08-18 06:18:44,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:18:44,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:18:44,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 06:18:44,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:18:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:18:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 06:18:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:18:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:18:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:18:44,343 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:18:44,343 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 06:18:44,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:18:44 BoogieIcfgContainer [2019-08-18 06:18:44,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:18:44,345 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:18:44,345 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:18:44,345 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:18:44,346 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:18:44" (1/1) ... [2019-08-18 06:18:44,358 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:18:44,361 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:18:44,367 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:18:44,375 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:18:44,377 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:18:44,421 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 06:18:44,447 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-18 06:18:44,451 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:18:44,452 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:18:44,456 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 26#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 06:18:44,466 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:18:44,467 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:18:44,470 INFO L168 Benchmark]: Toolchain (without parser) took 773.68 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 85.3 MB in the beginning and 159.2 MB in the end (delta: -73.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 06:18:44,471 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:18:44,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.73 ms. Allocated memory is still 138.4 MB. Free memory was 85.1 MB in the beginning and 75.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:44,473 INFO L168 Benchmark]: Boogie Preprocessor took 131.65 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 75.9 MB in the beginning and 175.2 MB in the end (delta: -99.3 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:44,474 INFO L168 Benchmark]: RCFGBuilder took 235.19 ms. Allocated memory is still 197.7 MB. Free memory was 175.2 MB in the beginning and 164.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:44,475 INFO L168 Benchmark]: Symbolic Interpretation took 121.78 ms. Allocated memory is still 197.7 MB. Free memory was 164.8 MB in the beginning and 159.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:44,479 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 26#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 280.73 ms. Allocated memory is still 138.4 MB. Free memory was 85.1 MB in the beginning and 75.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.65 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 75.9 MB in the beginning and 175.2 MB in the end (delta: -99.3 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 235.19 ms. Allocated memory is still 197.7 MB. Free memory was 175.2 MB in the beginning and 164.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 121.78 ms. Allocated memory is still 197.7 MB. Free memory was 164.8 MB in the beginning and 159.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...