./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/fragtest_simple.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-invgen/fragtest_simple.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a94bf9d893e116ed4626eae9cec69d948eb5bc31 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-invgen/fragtest_simple.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a94bf9d893e116ed4626eae9cec69d948eb5bc31 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:10:17,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:17,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:17,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:17,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:17,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:17,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:17,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:17,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:17,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:17,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:17,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:17,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:17,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:17,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:17,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:17,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:17,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:17,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:17,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:17,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:17,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:17,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:17,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:17,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:17,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:17,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:17,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:17,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:17,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:17,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:17,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:17,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:17,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:17,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:17,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:17,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:17,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:17,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:17,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:17,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:17,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:10:17,453 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:17,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:17,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:17,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:17,462 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:17,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:17,463 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:17,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:10:17,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:17,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:17,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:17,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:17,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:17,468 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:17,468 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:17,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:17,470 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:17,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:17,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:17,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:17,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:17,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:17,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:17,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:17,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:17,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:17,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:10:17,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:10:17,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:17,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a94bf9d893e116ed4626eae9cec69d948eb5bc31 [2019-11-24 21:10:18,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:18,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:18,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:18,087 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:18,089 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:18,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/fragtest_simple.i [2019-11-24 21:10:18,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/658706c5c/dd00fa67d58f4baea1dd14e2011d2358/FLAGfe83e53b8 [2019-11-24 21:10:19,296 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:19,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/fragtest_simple.i [2019-11-24 21:10:19,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/658706c5c/dd00fa67d58f4baea1dd14e2011d2358/FLAGfe83e53b8 [2019-11-24 21:10:19,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/658706c5c/dd00fa67d58f4baea1dd14e2011d2358 [2019-11-24 21:10:19,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:19,362 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:19,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:19,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:19,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:19,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:19" (1/1) ... [2019-11-24 21:10:19,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6758708e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:19, skipping insertion in model container [2019-11-24 21:10:19,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:19" (1/1) ... [2019-11-24 21:10:19,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:19,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:19,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:19,862 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:19,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:19,908 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:19,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:19 WrapperNode [2019-11-24 21:10:19,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:19,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:19,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:19,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:19,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:19" (1/1) ... [2019-11-24 21:10:19,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:19" (1/1) ... [2019-11-24 21:10:20,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:20,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:20,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:20,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:20,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:19" (1/1) ... [2019-11-24 21:10:20,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:19" (1/1) ... [2019-11-24 21:10:20,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:19" (1/1) ... [2019-11-24 21:10:20,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:19" (1/1) ... [2019-11-24 21:10:20,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:19" (1/1) ... [2019-11-24 21:10:20,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:19" (1/1) ... [2019-11-24 21:10:20,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:19" (1/1) ... [2019-11-24 21:10:20,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:20,163 INFO L168 Benchmark]: Toolchain (without parser) took 781.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:20,164 INFO L168 Benchmark]: CDTParser took 3.33 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:20,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.51 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:20,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:20,176 INFO L168 Benchmark]: Boogie Preprocessor took 53.81 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:20,187 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.33 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 547.51 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 164.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.81 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:10:24,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:24,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:24,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:24,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:24,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:24,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:24,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:24,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:24,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:24,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:24,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:24,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:24,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:24,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:24,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:24,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:24,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:24,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:24,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:24,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:24,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:24,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:24,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:24,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:24,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:24,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:24,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:24,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:24,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:24,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:24,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:24,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:24,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:24,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:24,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:24,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:24,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:24,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:24,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:24,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:24,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:10:24,436 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:24,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:24,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:24,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:24,444 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:24,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:24,445 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:24,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:24,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:24,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:24,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:24,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:24,452 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:24,452 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:10:24,453 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:10:24,453 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:24,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:24,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:24,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:24,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:24,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:24,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:24,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:24,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:24,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:24,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:24,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:24,458 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:10:24,458 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:10:24,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:24,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:10:24,461 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a94bf9d893e116ed4626eae9cec69d948eb5bc31 [2019-11-24 21:10:25,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:25,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:25,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:25,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:25,083 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:25,084 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/fragtest_simple.i [2019-11-24 21:10:25,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c72a7540/858fe4dd61fd4b97a19a3085b71a96f6/FLAGa16c7c416 [2019-11-24 21:10:26,273 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:26,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/fragtest_simple.i [2019-11-24 21:10:26,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c72a7540/858fe4dd61fd4b97a19a3085b71a96f6/FLAGa16c7c416 [2019-11-24 21:10:26,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c72a7540/858fe4dd61fd4b97a19a3085b71a96f6 [2019-11-24 21:10:26,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:26,340 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:26,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:26,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:26,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:26,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:26" (1/1) ... [2019-11-24 21:10:26,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8145b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:26, skipping insertion in model container [2019-11-24 21:10:26,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:26" (1/1) ... [2019-11-24 21:10:26,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:26,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:26,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:26,856 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:26,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:26,895 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:26,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:26 WrapperNode [2019-11-24 21:10:26,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:26,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:26,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:26,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:26,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:26" (1/1) ... [2019-11-24 21:10:27,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:26" (1/1) ... [2019-11-24 21:10:27,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:27,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:27,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:27,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:27,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:26" (1/1) ... [2019-11-24 21:10:27,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:26" (1/1) ... [2019-11-24 21:10:27,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:26" (1/1) ... [2019-11-24 21:10:27,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:26" (1/1) ... [2019-11-24 21:10:27,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:26" (1/1) ... [2019-11-24 21:10:27,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:26" (1/1) ... [2019-11-24 21:10:27,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:26" (1/1) ... [2019-11-24 21:10:27,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:27,125 INFO L168 Benchmark]: Toolchain (without parser) took 778.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:27,127 INFO L168 Benchmark]: CDTParser took 3.48 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:27,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.73 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:27,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:27,132 INFO L168 Benchmark]: Boogie Preprocessor took 57.29 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:27,139 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.48 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 550.73 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 162.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.29 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...