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_2_5.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 19:38:00,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 19:38:00,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 19:38:00,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 19:38:00,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 19:38:00,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 19:38:00,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 19:38:00,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 19:38:00,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 19:38:00,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 19:38:00,533 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 19:38:00,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 19:38:00,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 19:38:00,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 19:38:00,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 19:38:00,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 19:38:00,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 19:38:00,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 19:38:00,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 19:38:00,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 19:38:00,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 19:38:00,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 19:38:00,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 19:38:00,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 19:38:00,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 19:38:00,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 19:38:00,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 19:38:00,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 19:38:00,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 19:38:00,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 19:38:00,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 19:38:00,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 19:38:00,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 19:38:00,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 19:38:00,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 19:38:00,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 19:38:00,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 19:38:00,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 19:38:00,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 19:38:00,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 19:38:00,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 19:38:00,583 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 [2019-08-14 19:38:00,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 19:38:00,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 19:38:00,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 19:38:00,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 19:38:00,611 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 19:38:00,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 19:38:00,611 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 19:38:00,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 19:38:00,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 19:38:00,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 19:38:00,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 19:38:00,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 19:38:00,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 19:38:00,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 19:38:00,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 19:38:00,613 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 19:38:00,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 19:38:00,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 19:38:00,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 19:38:00,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 19:38:00,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 19:38:00,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 19:38:00,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 19:38:00,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 19:38:00,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 19:38:00,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 19:38:00,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 19:38:00,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 19:38:00,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 19:38:00,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 19:38:00,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 19:38:00,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 19:38:00,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 19:38:00,666 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 19:38:00,667 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_5.i [2019-08-14 19:38:00,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140d50b3f/d7278cb8ed3e476eb5e1516924d5bd88/FLAG6e01bca8a [2019-08-14 19:38:01,165 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 19:38:01,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_5.i [2019-08-14 19:38:01,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140d50b3f/d7278cb8ed3e476eb5e1516924d5bd88/FLAG6e01bca8a [2019-08-14 19:38:01,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140d50b3f/d7278cb8ed3e476eb5e1516924d5bd88 [2019-08-14 19:38:01,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 19:38:01,559 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 19:38:01,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 19:38:01,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 19:38:01,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 19:38:01,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:38:01" (1/1) ... [2019-08-14 19:38:01,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d48f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:01, skipping insertion in model container [2019-08-14 19:38:01,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:38:01" (1/1) ... [2019-08-14 19:38:01,578 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 19:38:01,599 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 19:38:01,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:38:01,815 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 19:38:01,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:38:01,847 INFO L192 MainTranslator]: Completed translation [2019-08-14 19:38:01,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:01 WrapperNode [2019-08-14 19:38:01,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 19:38:01,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 19:38:01,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 19:38:01,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 19:38:01,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:01" (1/1) ... [2019-08-14 19:38:01,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:01" (1/1) ... [2019-08-14 19:38:01,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:01" (1/1) ... [2019-08-14 19:38:01,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:01" (1/1) ... [2019-08-14 19:38:01,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:01" (1/1) ... [2019-08-14 19:38:01,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:01" (1/1) ... [2019-08-14 19:38:01,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:01" (1/1) ... [2019-08-14 19:38:01,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 19:38:01,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 19:38:01,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 19:38:01,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 19:38:01,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:01" (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 [2019-08-14 19:38:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 19:38:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 19:38:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-14 19:38:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-14 19:38:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 19:38:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 19:38:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 19:38:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-14 19:38:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-14 19:38:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-14 19:38:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 19:38:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 19:38:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 19:38:02,206 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 19:38:02,206 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 19:38:02,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:38:02 BoogieIcfgContainer [2019-08-14 19:38:02,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 19:38:02,209 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 19:38:02,209 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 19:38:02,209 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 19:38:02,210 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:38:02" (1/1) ... [2019-08-14 19:38:02,394 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 19:38:02,396 INFO L168 Benchmark]: Toolchain (without parser) took 837.24 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 82.9 MB in the beginning and 158.8 MB in the end (delta: -75.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 19:38:02,398 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 101.8 MB in the beginning and 101.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 19:38:02,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.54 ms. Allocated memory is still 136.8 MB. Free memory was 82.7 MB in the beginning and 73.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:02,400 INFO L168 Benchmark]: Boogie Preprocessor took 141.06 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 73.0 MB in the beginning and 175.0 MB in the end (delta: -102.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:02,401 INFO L168 Benchmark]: RCFGBuilder took 217.96 ms. Allocated memory is still 197.7 MB. Free memory was 175.0 MB in the beginning and 163.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:02,401 INFO L168 Benchmark]: Symbolic Interpretation took 185.55 ms. Allocated memory is still 197.7 MB. Free memory was 163.7 MB in the beginning and 158.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:02,405 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: Over-approximation of reachable states at this location is 26#true. 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 136.8 MB. Free memory was 101.8 MB in the beginning and 101.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 288.54 ms. Allocated memory is still 136.8 MB. Free memory was 82.7 MB in the beginning and 73.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.06 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 73.0 MB in the beginning and 175.0 MB in the end (delta: -102.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 217.96 ms. Allocated memory is still 197.7 MB. Free memory was 175.0 MB in the beginning and 163.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 185.55 ms. Allocated memory is still 197.7 MB. Free memory was 163.7 MB in the beginning and 158.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...