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_Bitvector.epf -i ../../../trunk/examples/svcomp/loop-acceleration/underapprox_false-unreach-call2_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5d0219 [2018-11-14 23:37:42,506 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 23:37:42,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 23:37:42,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 23:37:42,549 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 23:37:42,551 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 23:37:42,555 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 23:37:42,560 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 23:37:42,567 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 23:37:42,575 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 23:37:42,583 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 23:37:42,583 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 23:37:42,584 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 23:37:42,590 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 23:37:42,592 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 23:37:42,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 23:37:42,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 23:37:42,608 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 23:37:42,617 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 23:37:42,621 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 23:37:42,627 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 23:37:42,632 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 23:37:42,642 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-14 23:37:42,665 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 23:37:42,667 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 23:37:42,670 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 23:37:42,673 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 23:37:42,673 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-14 23:37:42,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 23:37:42,719 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 23:37:42,721 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 23:37:42,723 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 23:37:42,725 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 23:37:42,725 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 23:37:42,725 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 23:37:42,728 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 23:37:42,728 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 23:37:42,728 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 23:37:42,728 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 23:37:42,729 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 23:37:42,729 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 23:37:42,729 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 23:37:42,729 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 23:37:42,733 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 23:37:42,733 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 23:37:42,733 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 23:37:42,733 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 23:37:42,734 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 23:37:42,734 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 23:37:42,734 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 23:37:42,734 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 23:37:42,735 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 23:37:42,738 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 23:37:42,738 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 23:37:42,738 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 23:37:42,738 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 23:37:42,739 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 23:37:42,739 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 23:37:42,739 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 23:37:42,739 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 23:37:42,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 23:37:42,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 23:37:42,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 23:37:42,917 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 23:37:42,917 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 23:37:42,918 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_false-unreach-call2_true-termination.i [2018-11-14 23:37:43,063 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0818a4331/323688d41eb0422db3d8db5715969381/FLAG49240a2f9 [2018-11-14 23:37:44,047 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 23:37:44,048 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_false-unreach-call2_true-termination.i [2018-11-14 23:37:44,062 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0818a4331/323688d41eb0422db3d8db5715969381/FLAG49240a2f9 [2018-11-14 23:37:44,086 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0818a4331/323688d41eb0422db3d8db5715969381 [2018-11-14 23:37:44,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 23:37:44,103 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-11-14 23:37:44,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 23:37:44,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 23:37:44,121 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 23:37:44,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 11:37:44" (1/1) ... [2018-11-14 23:37:44,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494743a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:37:44, skipping insertion in model container [2018-11-14 23:37:44,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 11:37:44" (1/1) ... [2018-11-14 23:37:44,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 23:37:44,211 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 23:37:44,742 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 23:37:44,755 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 23:37:44,796 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 23:37:44,831 INFO L195 MainTranslator]: Completed translation [2018-11-14 23:37:44,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:37:44 WrapperNode [2018-11-14 23:37:44,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 23:37:44,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 23:37:44,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 23:37:44,833 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 23:37:44,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:37:44" (1/1) ... [2018-11-14 23:37:44,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:37:44" (1/1) ... [2018-11-14 23:37:44,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:37:44" (1/1) ... [2018-11-14 23:37:44,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:37:44" (1/1) ... [2018-11-14 23:37:44,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:37:44" (1/1) ... [2018-11-14 23:37:44,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:37:44" (1/1) ... [2018-11-14 23:37:44,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:37:44" (1/1) ... [2018-11-14 23:37:44,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 23:37:44,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 23:37:44,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 23:37:44,906 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 23:37:44,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:37:44" (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 [2018-11-14 23:37:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 23:37:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 23:37:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-14 23:37:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 23:37:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 23:37:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-14 23:37:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 23:37:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 23:37:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 23:37:46,089 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 23:37:46,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 11:37:46 BoogieIcfgContainer [2018-11-14 23:37:46,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 23:37:46,092 INFO L168 Benchmark]: Toolchain (without parser) took 1990.96 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -47.3 MB). Peak memory consumption was 34.4 MB. Max. memory is 3.9 GB. [2018-11-14 23:37:46,102 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-11-14 23:37:46,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.15 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. [2018-11-14 23:37:46,116 INFO L168 Benchmark]: Boogie Preprocessor took 69.13 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. [2018-11-14 23:37:46,120 INFO L168 Benchmark]: RCFGBuilder took 1184.82 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -58.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 3.9 GB. [2018-11-14 23:37:46,126 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 0.21 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 726.15 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 69.13 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 1184.82 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -58.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...