java -ea -Xmx4000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BPP-RCFG.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/filter_iir_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5d0219 [2018-11-15 04:53:46,217 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-15 04:53:46,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-15 04:53:46,246 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-15 04:53:46,251 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-15 04:53:46,252 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-15 04:53:46,255 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-15 04:53:46,260 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-15 04:53:46,262 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-15 04:53:46,266 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-15 04:53:46,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-15 04:53:46,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-15 04:53:46,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-15 04:53:46,275 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-15 04:53:46,276 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-15 04:53:46,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-15 04:53:46,285 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-15 04:53:46,286 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-15 04:53:46,295 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-15 04:53:46,303 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-15 04:53:46,307 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-15 04:53:46,308 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-15 04:53:46,315 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-15 04:53:46,315 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-15 04:53:46,316 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-15 04:53:46,316 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-15 04:53:46,324 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-15 04:53:46,325 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-15 04:53:46,326 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-15 04:53:46,331 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-15 04:53:46,331 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-15 04:53:46,332 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-15 04:53:46,332 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-15 04:53:46,332 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-15 04:53:46,333 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-15 04:53:46,333 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-15 04:53:46,338 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-15 04:53:46,374 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-15 04:53:46,377 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-15 04:53:46,377 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-15 04:53:46,378 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-15 04:53:46,378 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-15 04:53:46,378 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-15 04:53:46,379 INFO L133 SettingsManager]: * Use SBE=true [2018-11-15 04:53:46,384 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-15 04:53:46,384 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-15 04:53:46,384 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-15 04:53:46,384 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-15 04:53:46,385 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-15 04:53:46,385 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-15 04:53:46,385 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-15 04:53:46,385 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-15 04:53:46,387 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-15 04:53:46,387 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-15 04:53:46,387 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-15 04:53:46,387 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-15 04:53:46,387 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-15 04:53:46,388 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-15 04:53:46,388 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-15 04:53:46,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-15 04:53:46,388 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-15 04:53:46,388 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-15 04:53:46,389 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-15 04:53:46,389 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-15 04:53:46,389 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-15 04:53:46,389 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-15 04:53:46,389 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-15 04:53:46,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-15 04:53:46,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-15 04:53:46,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-15 04:53:46,524 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-15 04:53:46,524 INFO L276 PluginConnector]: CDTParser initialized [2018-11-15 04:53:46,528 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter_iir_true-unreach-call.c [2018-11-15 04:53:46,640 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1e3ea89b/e4d8bb251a574bcc98cf67024c9ef169/FLAG379199a81 [2018-11-15 04:53:47,502 INFO L298 CDTParser]: Found 1 translation units. [2018-11-15 04:53:47,503 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter_iir_true-unreach-call.c [2018-11-15 04:53:47,513 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1e3ea89b/e4d8bb251a574bcc98cf67024c9ef169/FLAG379199a81 [2018-11-15 04:53:47,533 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1e3ea89b/e4d8bb251a574bcc98cf67024c9ef169 [2018-11-15 04:53:47,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-15 04:53:47,547 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-11-15 04:53:47,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-15 04:53:47,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-15 04:53:47,568 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-15 04:53:47,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:53:47" (1/1) ... [2018-11-15 04:53:47,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738252f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:53:47, skipping insertion in model container [2018-11-15 04:53:47,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:53:47" (1/1) ... [2018-11-15 04:53:47,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-15 04:53:47,655 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-15 04:53:48,094 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-15 04:53:48,136 INFO L191 MainTranslator]: Completed pre-run [2018-11-15 04:53:48,215 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-15 04:53:48,260 INFO L195 MainTranslator]: Completed translation [2018-11-15 04:53:48,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:53:48 WrapperNode [2018-11-15 04:53:48,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-15 04:53:48,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-15 04:53:48,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-15 04:53:48,261 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-15 04:53:48,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:53:48" (1/1) ... [2018-11-15 04:53:48,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:53:48" (1/1) ... [2018-11-15 04:53:48,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:53:48" (1/1) ... [2018-11-15 04:53:48,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:53:48" (1/1) ... [2018-11-15 04:53:48,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:53:48" (1/1) ... [2018-11-15 04:53:48,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:53:48" (1/1) ... [2018-11-15 04:53:48,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:53:48" (1/1) ... [2018-11-15 04:53:48,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-15 04:53:48,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-15 04:53:48,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-15 04:53:48,413 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-15 04:53:48,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:53:48" (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 [2018-11-15 04:53:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-15 04:53:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-15 04:53:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-15 04:53:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure iir4 [2018-11-15 04:53:48,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-15 04:53:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-15 04:53:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-15 04:53:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-15 04:53:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-15 04:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure iir4 [2018-11-15 04:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-15 04:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-15 04:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-15 04:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-15 04:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-15 04:53:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-15 04:53:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-15 04:53:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-15 04:53:50,577 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-15 04:53:50,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:53:50 BoogieIcfgContainer [2018-11-15 04:53:50,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-15 04:53:50,581 INFO L168 Benchmark]: Toolchain (without parser) took 3035.55 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: -18.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 3.9 GB. [2018-11-15 04:53:50,587 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-11-15 04:53:50,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.17 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. [2018-11-15 04:53:50,592 INFO L168 Benchmark]: Boogie Preprocessor took 150.85 ms. Allocated memory is still 2.0 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-11-15 04:53:50,592 INFO L168 Benchmark]: RCFGBuilder took 2166.83 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: -30.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 3.9 GB. [2018-11-15 04:53:50,601 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. * CACSL2BoogieTranslator took 702.17 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. * Boogie Preprocessor took 150.85 ms. Allocated memory is still 2.0 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 3.9 GB. * RCFGBuilder took 2166.83 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: -30.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...