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/filter2_alt_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-66639aa [2018-11-20 09:51:45,526 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-20 09:51:45,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-20 09:51:45,545 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-20 09:51:45,545 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-20 09:51:45,547 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-20 09:51:45,548 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-20 09:51:45,550 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-20 09:51:45,553 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-20 09:51:45,554 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-20 09:51:45,555 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-20 09:51:45,555 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-20 09:51:45,556 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-20 09:51:45,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-20 09:51:45,558 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-20 09:51:45,559 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-20 09:51:45,560 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-20 09:51:45,562 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-20 09:51:45,563 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-20 09:51:45,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-20 09:51:45,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-20 09:51:45,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-20 09:51:45,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-20 09:51:45,570 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-20 09:51:45,570 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-20 09:51:45,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-20 09:51:45,572 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-20 09:51:45,573 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-20 09:51:45,574 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-20 09:51:45,575 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-20 09:51:45,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-20 09:51:45,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-20 09:51:45,580 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-20 09:51:45,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-20 09:51:45,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-20 09:51:45,582 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-20 09:51:45,582 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 [2018-11-20 09:51:45,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-20 09:51:45,613 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-20 09:51:45,614 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-20 09:51:45,614 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-20 09:51:45,615 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-20 09:51:45,615 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-20 09:51:45,616 INFO L133 SettingsManager]: * Use SBE=true [2018-11-20 09:51:45,616 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-20 09:51:45,616 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-20 09:51:45,616 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-20 09:51:45,617 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-20 09:51:45,617 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-20 09:51:45,617 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-20 09:51:45,617 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-20 09:51:45,617 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-20 09:51:45,618 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-20 09:51:45,618 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-20 09:51:45,618 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-20 09:51:45,618 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-20 09:51:45,618 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-20 09:51:45,619 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-20 09:51:45,619 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-20 09:51:45,619 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-20 09:51:45,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-20 09:51:45,619 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-20 09:51:45,620 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-20 09:51:45,620 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-20 09:51:45,620 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-20 09:51:45,620 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-20 09:51:45,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-20 09:51:45,621 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-20 09:51:45,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-20 09:51:45,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-20 09:51:45,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-20 09:51:45,700 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-20 09:51:45,700 INFO L276 PluginConnector]: CDTParser initialized [2018-11-20 09:51:45,701 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter2_alt_true-unreach-call.c [2018-11-20 09:51:45,770 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0cea806d/a763ce1a78474dfa91d86bfa65b47231/FLAGf765c1792 [2018-11-20 09:51:46,252 INFO L307 CDTParser]: Found 1 translation units. [2018-11-20 09:51:46,253 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter2_alt_true-unreach-call.c [2018-11-20 09:51:46,260 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0cea806d/a763ce1a78474dfa91d86bfa65b47231/FLAGf765c1792 [2018-11-20 09:51:46,605 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0cea806d/a763ce1a78474dfa91d86bfa65b47231 [2018-11-20 09:51:46,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-20 09:51:46,617 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-11-20 09:51:46,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-20 09:51:46,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-20 09:51:46,621 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-20 09:51:46,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:51:46" (1/1) ... [2018-11-20 09:51:46,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b45830f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:51:46, skipping insertion in model container [2018-11-20 09:51:46,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:51:46" (1/1) ... [2018-11-20 09:51:46,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-20 09:51:46,666 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-20 09:51:46,916 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-20 09:51:46,924 INFO L191 MainTranslator]: Completed pre-run [2018-11-20 09:51:46,956 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-20 09:51:46,992 INFO L195 MainTranslator]: Completed translation [2018-11-20 09:51:46,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:51:46 WrapperNode [2018-11-20 09:51:46,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-20 09:51:46,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-20 09:51:46,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-20 09:51:46,994 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-20 09:51:47,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:51:46" (1/1) ... [2018-11-20 09:51:47,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:51:46" (1/1) ... [2018-11-20 09:51:47,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:51:46" (1/1) ... [2018-11-20 09:51:47,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:51:46" (1/1) ... [2018-11-20 09:51:47,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:51:46" (1/1) ... [2018-11-20 09:51:47,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:51:46" (1/1) ... [2018-11-20 09:51:47,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:51:46" (1/1) ... [2018-11-20 09:51:47,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-20 09:51:47,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-20 09:51:47,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-20 09:51:47,072 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-20 09:51:47,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:51:46" (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 [2018-11-20 09:51:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-20 09:51:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-20 09:51:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-20 09:51:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure RANDOM_INPUT [2018-11-20 09:51:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure filter2 [2018-11-20 09:51:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-20 09:51:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-20 09:51:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-20 09:51:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-20 09:51:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-20 09:51:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure RANDOM_INPUT [2018-11-20 09:51:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure filter2 [2018-11-20 09:51:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-20 09:51:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-20 09:51:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-20 09:51:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-20 09:51:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-20 09:51:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-20 09:51:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-20 09:51:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-20 09:51:47,813 INFO L271 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-20 09:51:47,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:51:47 BoogieIcfgContainer [2018-11-20 09:51:47,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-20 09:51:47,816 INFO L168 Benchmark]: Toolchain (without parser) took 1200.34 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 716.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -732.8 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2018-11-20 09:51:47,819 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-11-20 09:51:47,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.70 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. [2018-11-20 09:51:47,820 INFO L168 Benchmark]: Boogie Preprocessor took 72.48 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. [2018-11-20 09:51:47,821 INFO L168 Benchmark]: RCFGBuilder took 747.22 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 716.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -743.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2018-11-20 09:51:47,825 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 0.25 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 375.70 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 72.48 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 747.22 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 716.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -743.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...