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.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 0.1.23-1a42d6c [2018-10-18 20:07:12,270 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-18 20:07:12,275 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-18 20:07:12,311 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-18 20:07:12,311 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-18 20:07:12,315 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-18 20:07:12,321 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-18 20:07:12,324 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-18 20:07:12,329 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-18 20:07:12,330 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-18 20:07:12,335 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-18 20:07:12,335 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-18 20:07:12,337 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-18 20:07:12,344 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-18 20:07:12,351 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-18 20:07:12,352 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-18 20:07:12,355 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-18 20:07:12,357 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-18 20:07:12,372 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-18 20:07:12,379 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-18 20:07:12,387 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-18 20:07:12,390 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-18 20:07:12,396 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-18 20:07:12,396 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-18 20:07:12,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-18 20:07:12,400 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-18 20:07:12,407 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-18 20:07:12,410 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-18 20:07:12,411 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-18 20:07:12,417 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-18 20:07:12,417 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-18 20:07:12,418 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-18 20:07:12,419 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-18 20:07:12,420 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-18 20:07:12,425 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-18 20:07:12,426 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-18 20:07:12,427 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 [2018-10-18 20:07:12,476 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-18 20:07:12,477 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-18 20:07:12,479 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-18 20:07:12,480 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-18 20:07:12,485 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-18 20:07:12,485 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-18 20:07:12,485 INFO L133 SettingsManager]: * Use SBE=true [2018-10-18 20:07:12,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-18 20:07:12,489 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-18 20:07:12,489 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-18 20:07:12,489 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-18 20:07:12,490 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-18 20:07:12,490 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-18 20:07:12,490 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-18 20:07:12,490 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-18 20:07:12,493 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-18 20:07:12,493 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-18 20:07:12,494 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-18 20:07:12,494 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-18 20:07:12,494 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-18 20:07:12,494 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-18 20:07:12,494 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-18 20:07:12,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-18 20:07:12,495 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-18 20:07:12,495 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-18 20:07:12,495 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-18 20:07:12,495 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-18 20:07:12,499 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-18 20:07:12,499 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-18 20:07:12,499 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-18 20:07:12,631 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-18 20:07:12,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-18 20:07:12,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-18 20:07:12,685 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-18 20:07:12,687 INFO L276 PluginConnector]: CDTParser initialized [2018-10-18 20:07:12,688 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter_iir_true-unreach-call.c [2018-10-18 20:07:12,804 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3650f7a4/ee16d64712a04cf293a7e37d68881f74/FLAG81f7bc815 [2018-10-18 20:07:13,775 INFO L298 CDTParser]: Found 1 translation units. [2018-10-18 20:07:13,777 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter_iir_true-unreach-call.c [2018-10-18 20:07:13,795 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3650f7a4/ee16d64712a04cf293a7e37d68881f74/FLAG81f7bc815 [2018-10-18 20:07:13,826 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3650f7a4/ee16d64712a04cf293a7e37d68881f74 [2018-10-18 20:07:13,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-18 20:07:13,857 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-10-18 20:07:13,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-18 20:07:13,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-18 20:07:13,872 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-18 20:07:13,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:07:13" (1/1) ... [2018-10-18 20:07:13,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad40253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:13, skipping insertion in model container [2018-10-18 20:07:13,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:07:13" (1/1) ... [2018-10-18 20:07:13,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-18 20:07:13,975 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-18 20:07:14,531 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-18 20:07:14,580 INFO L189 MainTranslator]: Completed pre-run [2018-10-18 20:07:14,683 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-18 20:07:14,724 INFO L193 MainTranslator]: Completed translation [2018-10-18 20:07:14,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:14 WrapperNode [2018-10-18 20:07:14,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-18 20:07:14,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-18 20:07:14,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-18 20:07:14,726 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-18 20:07:14,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:14" (1/1) ... [2018-10-18 20:07:14,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:14" (1/1) ... [2018-10-18 20:07:14,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:14" (1/1) ... [2018-10-18 20:07:14,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:14" (1/1) ... [2018-10-18 20:07:14,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:14" (1/1) ... [2018-10-18 20:07:14,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:14" (1/1) ... [2018-10-18 20:07:14,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:14" (1/1) ... [2018-10-18 20:07:14,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-18 20:07:14,887 INFO L168 Benchmark]: Toolchain (without parser) took 1033.99 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. [2018-10-18 20:07:14,899 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-10-18 20:07:14,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.35 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. [2018-10-18 20:07:14,904 INFO L168 Benchmark]: Boogie Preprocessor took 156.87 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. [2018-10-18 20:07:14,910 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 0.18 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 863.35 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 156.87 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...