java -ea -Xmx8000000000 -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 0.1.23-0cd0241 [2018-11-18 07:34:20,913 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 07:34:20,915 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 07:34:20,927 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 07:34:20,927 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 07:34:20,928 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 07:34:20,930 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 07:34:20,932 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 07:34:20,933 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 07:34:20,934 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 07:34:20,935 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 07:34:20,936 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 07:34:20,936 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 07:34:20,937 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 07:34:20,939 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 07:34:20,939 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 07:34:20,940 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 07:34:20,942 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 07:34:20,944 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 07:34:20,946 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 07:34:20,947 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 07:34:20,948 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 07:34:20,951 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 07:34:20,951 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 07:34:20,951 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 07:34:20,952 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 07:34:20,953 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 07:34:20,954 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 07:34:20,955 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 07:34:20,956 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 07:34:20,956 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 07:34:20,957 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 07:34:20,957 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 07:34:20,957 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 07:34:20,958 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 07:34:20,959 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 07:34:20,959 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 [2018-11-18 07:34:20,974 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 07:34:20,975 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 07:34:20,975 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 07:34:20,976 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 07:34:20,976 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 07:34:20,976 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 07:34:20,977 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 07:34:20,977 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 07:34:20,977 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 07:34:20,977 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 07:34:20,977 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 07:34:20,978 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 07:34:20,978 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 07:34:20,978 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 07:34:20,978 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 07:34:20,978 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 07:34:20,979 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 07:34:20,979 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 07:34:20,979 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 07:34:20,979 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 07:34:20,979 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 07:34:20,980 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 07:34:20,980 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 07:34:20,980 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 07:34:20,980 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 07:34:20,980 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 07:34:20,981 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 07:34:20,981 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 07:34:20,981 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 07:34:20,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 07:34:20,981 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 07:34:21,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 07:34:21,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 07:34:21,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 07:34:21,044 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 07:34:21,045 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 07:34:21,045 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter_iir_true-unreach-call.c [2018-11-18 07:34:21,106 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f79f605/bcbc15bc98ec463c9e37d542603028d4/FLAGd17fdfd0f [2018-11-18 07:34:21,604 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 07:34:21,605 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter_iir_true-unreach-call.c [2018-11-18 07:34:21,612 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f79f605/bcbc15bc98ec463c9e37d542603028d4/FLAGd17fdfd0f [2018-11-18 07:34:21,950 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f79f605/bcbc15bc98ec463c9e37d542603028d4 [2018-11-18 07:34:21,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 07:34:21,961 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-11-18 07:34:21,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 07:34:21,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 07:34:21,967 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 07:34:21,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:34:21" (1/1) ... [2018-11-18 07:34:21,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120b295c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:21, skipping insertion in model container [2018-11-18 07:34:21,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:34:21" (1/1) ... [2018-11-18 07:34:21,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 07:34:22,012 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 07:34:22,237 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 07:34:22,255 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 07:34:22,298 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 07:34:22,324 INFO L195 MainTranslator]: Completed translation [2018-11-18 07:34:22,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:22 WrapperNode [2018-11-18 07:34:22,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 07:34:22,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 07:34:22,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 07:34:22,325 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 07:34:22,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:22" (1/1) ... [2018-11-18 07:34:22,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:22" (1/1) ... [2018-11-18 07:34:22,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:22" (1/1) ... [2018-11-18 07:34:22,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:22" (1/1) ... [2018-11-18 07:34:22,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:22" (1/1) ... [2018-11-18 07:34:22,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:22" (1/1) ... [2018-11-18 07:34:22,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:22" (1/1) ... [2018-11-18 07:34:22,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 07:34:22,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 07:34:22,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 07:34:22,392 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 07:34:22,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:22" (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 [2018-11-18 07:34:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 07:34:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 07:34:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 07:34:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure iir4 [2018-11-18 07:34:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 07:34:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 07:34:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 07:34:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 07:34:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 07:34:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure iir4 [2018-11-18 07:34:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 07:34:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 07:34:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 07:34:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 07:34:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 07:34:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 07:34:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 07:34:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 07:34:23,528 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 07:34:23,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:34:23 BoogieIcfgContainer [2018-11-18 07:34:23,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 07:34:23,532 INFO L168 Benchmark]: Toolchain (without parser) took 1571.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -742.8 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2018-11-18 07:34:23,537 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 07:34:23,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-18 07:34:23,538 INFO L168 Benchmark]: Boogie Preprocessor took 66.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 07:34:23,539 INFO L168 Benchmark]: RCFGBuilder took 1137.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -753.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2018-11-18 07:34:23,545 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 361.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1137.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -753.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...