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-cdfpl/newton_3_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:39:33,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:39:33,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:39:33,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:39:33,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:39:33,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:39:33,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:39:33,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:39:33,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:39:33,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:39:33,731 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:39:33,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:39:33,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:39:33,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:39:33,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:39:33,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:39:33,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:39:33,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:39:33,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:39:33,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:39:33,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:39:33,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:39:33,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:39:33,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:39:33,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:39:33,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:39:33,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:39:33,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:39:33,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:39:33,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:39:33,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:39:33,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:39:33,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:39:33,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:39:33,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:39:33,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:39:33,775 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 11:39:33,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:39:33,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:39:33,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:39:33,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:39:33,808 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:39:33,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:39:33,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:39:33,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:39:33,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:39:33,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:39:33,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:39:33,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:39:33,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:39:33,811 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:39:33,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:39:33,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:39:33,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:39:33,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:39:33,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:39:33,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:39:33,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:39:33,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:39:33,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:39:33,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:39:33,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:39:33,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:39:33,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:39:33,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:39:33,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:39:33,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:39:33,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:39:33,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:39:33,884 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:39:33,884 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:39:33,885 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_3_4.i [2019-08-08 11:39:33,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a77e464/c61b8d13f9b740c1b225831c6cc8353b/FLAG61b09c21b [2019-08-08 11:39:34,400 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:39:34,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_3_4.i [2019-08-08 11:39:34,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a77e464/c61b8d13f9b740c1b225831c6cc8353b/FLAG61b09c21b [2019-08-08 11:39:34,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a77e464/c61b8d13f9b740c1b225831c6cc8353b [2019-08-08 11:39:34,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:39:34,807 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:39:34,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:39:34,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:39:34,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:39:34,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:39:34" (1/1) ... [2019-08-08 11:39:34,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@447f5977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:34, skipping insertion in model container [2019-08-08 11:39:34,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:39:34" (1/1) ... [2019-08-08 11:39:34,828 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:39:34,852 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:39:35,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:39:35,130 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:39:35,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:39:35,189 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:39:35,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:35 WrapperNode [2019-08-08 11:39:35,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:39:35,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:39:35,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:39:35,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:39:35,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:35" (1/1) ... [2019-08-08 11:39:35,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:35" (1/1) ... [2019-08-08 11:39:35,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:35" (1/1) ... [2019-08-08 11:39:35,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:35" (1/1) ... [2019-08-08 11:39:35,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:35" (1/1) ... [2019-08-08 11:39:35,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:35" (1/1) ... [2019-08-08 11:39:35,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:35" (1/1) ... [2019-08-08 11:39:35,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:39:35,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:39:35,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:39:35,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:39:35,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:35" (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 11:39:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:39:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:39:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-08 11:39:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-08 11:39:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:39:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:39:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 11:39:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-08 11:39:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-08 11:39:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-08 11:39:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:39:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:39:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:39:35,712 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:39:35,712 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 11:39:35,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:39:35 BoogieIcfgContainer [2019-08-08 11:39:35,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:39:35,715 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:39:35,715 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:39:35,715 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:39:35,716 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:39:35" (1/1) ... [2019-08-08 11:39:35,728 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:39:35,731 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:39:35,738 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:39:35,746 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:39:35,747 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:39:35,788 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 11:39:35,824 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:39:35,824 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:39:35,827 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 29#(and (exists ((v_~someBinaryFLOATComparisonOperation_3 Bool) (v_~someBinaryFLOATComparisonOperation_4 Bool)) (not (= 0 (ite (and v_~someBinaryFLOATComparisonOperation_3 v_~someBinaryFLOATComparisonOperation_4) 1 0)))) (exists ((v_~someBinaryDOUBLEComparisonOperation_2 Bool)) (not v_~someBinaryDOUBLEComparisonOperation_2))) [2019-08-08 11:39:35,828 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:39:35,835 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:39:35,838 INFO L168 Benchmark]: Toolchain (without parser) took 1030.00 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.8 MB in the beginning and 158.7 MB in the end (delta: -69.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:39:35,840 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:39:35,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.67 ms. Allocated memory is still 132.6 MB. Free memory was 88.6 MB in the beginning and 78.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:35,842 INFO L168 Benchmark]: Boogie Preprocessor took 135.07 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 78.5 MB in the beginning and 176.0 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:35,843 INFO L168 Benchmark]: RCFGBuilder took 387.58 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 164.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:35,845 INFO L168 Benchmark]: Symbolic Interpretation took 120.51 ms. Allocated memory is still 199.2 MB. Free memory was 164.3 MB in the beginning and 158.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:35,850 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 28]: 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 0.50 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 380.67 ms. Allocated memory is still 132.6 MB. Free memory was 88.6 MB in the beginning and 78.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.07 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 78.5 MB in the beginning and 176.0 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 387.58 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 164.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 120.51 ms. Allocated memory is still 199.2 MB. Free memory was 164.3 MB in the beginning and 158.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...