./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invariants/mod4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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-invariants/mod4.c -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 475c628c7fa35464b80d0910fb562858270fdb34 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-invariants/mod4.c -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 475c628c7fa35464b80d0910fb562858270fdb34 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:52:36,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:36,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:36,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:36,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:36,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:36,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:36,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:36,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:36,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:36,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:36,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:36,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:36,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:36,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:36,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:36,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:36,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:36,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:36,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:36,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:36,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:36,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:36,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:36,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:36,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:36,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:36,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:36,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:36,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:36,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:36,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:36,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:36,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:36,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:36,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:36,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:36,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:36,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:36,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:36,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:36,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:52:36,300 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:36,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:36,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:36,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:36,313 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:36,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:36,314 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:36,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:52:36,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:36,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:36,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:36,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:36,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:36,321 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:36,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:36,322 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:36,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:36,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:36,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:36,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:36,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:36,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:36,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:36,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:36,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:36,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:52:36,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:52:36,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:36,334 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 -> 475c628c7fa35464b80d0910fb562858270fdb34 [2019-11-27 09:52:36,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:36,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:37,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:37,008 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:37,010 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:37,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/mod4.c [2019-11-27 09:52:37,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d590b5662/8d102308daf24bc6bc9bb8a69f3a0440/FLAG94a8e7b00 [2019-11-27 09:52:38,247 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:38,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/mod4.c [2019-11-27 09:52:38,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d590b5662/8d102308daf24bc6bc9bb8a69f3a0440/FLAG94a8e7b00 [2019-11-27 09:52:38,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d590b5662/8d102308daf24bc6bc9bb8a69f3a0440 [2019-11-27 09:52:38,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:38,321 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:38,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:38,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:38,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:38,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:38,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b7b796e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38, skipping insertion in model container [2019-11-27 09:52:38,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:38,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:38,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:38,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:38,890 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:38,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:38,970 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:38,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38 WrapperNode [2019-11-27 09:52:38,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:38,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:38,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:38,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:38,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:39,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:39,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:39,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:39,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:39,226 INFO L168 Benchmark]: Toolchain (without parser) took 901.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:39,230 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:39,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.34 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:39,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:39,241 INFO L168 Benchmark]: Boogie Preprocessor took 62.31 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. [2019-11-27 09:52:39,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 647.34 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 179.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.31 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-da95e15 [2019-11-27 09:52:43,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:43,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:43,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:43,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:43,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:43,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:43,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:43,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:43,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:43,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:43,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:43,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:43,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:43,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:43,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:43,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:43,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:43,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:43,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:43,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:43,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:43,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:43,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:43,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:43,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:43,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:43,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:43,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:43,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:43,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:43,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:43,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:43,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:43,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:43,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:43,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:43,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:43,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:43,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:43,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:43,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:52:43,528 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:43,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:43,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:43,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:43,537 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:43,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:43,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:43,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:43,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:43,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:43,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:43,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:43,545 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:52:43,546 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:52:43,546 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:43,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:43,547 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:43,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:43,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:43,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:43,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:43,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:43,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:43,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:43,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:43,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:43,552 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:52:43,553 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:52:43,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:43,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:52:43,556 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 -> 475c628c7fa35464b80d0910fb562858270fdb34 [2019-11-27 09:52:44,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:44,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:44,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:44,150 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:44,151 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:44,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/mod4.c [2019-11-27 09:52:44,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c384a9d1/076f062f3d6b436292dd0ab840bf3532/FLAG53310269f [2019-11-27 09:52:45,406 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:45,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/mod4.c [2019-11-27 09:52:45,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c384a9d1/076f062f3d6b436292dd0ab840bf3532/FLAG53310269f [2019-11-27 09:52:45,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c384a9d1/076f062f3d6b436292dd0ab840bf3532 [2019-11-27 09:52:45,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:45,469 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:45,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:45,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:45,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:45,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45, skipping insertion in model container [2019-11-27 09:52:45,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:45,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:46,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:46,024 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:46,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:46,095 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:46,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46 WrapperNode [2019-11-27 09:52:46,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:46,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:46,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:46,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:46,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:46,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:46,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:46,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:46,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:46" (1/1) ... [2019-11-27 09:52:46,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:46,395 INFO L168 Benchmark]: Toolchain (without parser) took 920.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:46,398 INFO L168 Benchmark]: CDTParser took 1.62 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:46,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.59 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:46,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 203.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:46,407 INFO L168 Benchmark]: Boogie Preprocessor took 78.74 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:46,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 623.59 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 203.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 78.74 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...