./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 025d5a27 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 0.1.24-025d5a2 [2019-11-26 17:05:00,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:00,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:00,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:00,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:00,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:00,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:00,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:00,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:00,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:00,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:00,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:00,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:00,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:00,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:00,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:00,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:00,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:00,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:00,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:00,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:00,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:00,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:00,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:00,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:00,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:00,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:00,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:00,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:00,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:00,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:00,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:00,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:00,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:00,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:00,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:00,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:00,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:00,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:00,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:00,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:00,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:00,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:00,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:00,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:00,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:00,584 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:00,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:00,586 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:00,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:00,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:00,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:00,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:00,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:00,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:00,588 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:00,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:00,589 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:00,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:00,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:00,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:00,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:00,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:00,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:00,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:00,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:00,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:00,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:00,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:00,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:00,594 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 [2019-11-26 17:05:01,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:01,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:01,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:01,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:01,073 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:01,074 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/mod4.c [2019-11-26 17:05:01,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f7019de/c8dbb9db86c84f6892a5f6cd6cbfebca/FLAGda47f749d [2019-11-26 17:05:01,912 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:01,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/mod4.c [2019-11-26 17:05:01,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f7019de/c8dbb9db86c84f6892a5f6cd6cbfebca/FLAGda47f749d [2019-11-26 17:05:02,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f7019de/c8dbb9db86c84f6892a5f6cd6cbfebca [2019-11-26 17:05:02,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:02,265 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:02,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:02,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:02,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:02,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364378cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02, skipping insertion in model container [2019-11-26 17:05:02,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:02,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:02,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:02,576 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:02,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:02,608 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:02,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02 WrapperNode [2019-11-26 17:05:02,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:02,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:02,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:02,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:02,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:02,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:02,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:02,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:02,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:02,759 INFO L168 Benchmark]: Toolchain (without parser) took 480.41 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. [2019-11-26 17:05:02,761 INFO L168 Benchmark]: CDTParser took 1.80 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. [2019-11-26 17:05:02,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.62 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. [2019-11-26 17:05:02,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.94 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: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:02,767 INFO L168 Benchmark]: Boogie Preprocessor took 31.03 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. [2019-11-26 17:05:02,773 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.80 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 343.62 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 93.94 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: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 31.03 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 0.1.24-025d5a2 [2019-11-26 17:05:05,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:05,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:05,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:05,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:05,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:05,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:05,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:05,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:05,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:05,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:05,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:05,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:05,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:05,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:05,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:05,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:05,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:05,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:05,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:05,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:05,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:05,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:05,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:05,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:05,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:05,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:05,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:05,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:05,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:05,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:05,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:05,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:05,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:05,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:05,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:05,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:05,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:05,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:05,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:05,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:05,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:05,601 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:05,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:05,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:05,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:05,605 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:05,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:05,606 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:05,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:05,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:05,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:05,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:05,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:05,609 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:05,609 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:05,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:05,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:05,612 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:05,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:05,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:05,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:05,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:05,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:05,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:05,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:05,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:05,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:05,615 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:05,615 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:05,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:05,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:05,619 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 [2019-11-26 17:05:06,051 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:06,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:06,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:06,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:06,079 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:06,080 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/mod4.c [2019-11-26 17:05:06,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56264ac2a/27a8f1386b014e28ac20f39bebec4233/FLAGbde58f31a [2019-11-26 17:05:06,864 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:06,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/mod4.c [2019-11-26 17:05:06,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56264ac2a/27a8f1386b014e28ac20f39bebec4233/FLAGbde58f31a [2019-11-26 17:05:07,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56264ac2a/27a8f1386b014e28ac20f39bebec4233 [2019-11-26 17:05:07,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:07,219 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:07,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:07,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:07,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:07,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07, skipping insertion in model container [2019-11-26 17:05:07,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:07,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:07,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:07,552 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:07,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:07,581 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:07,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07 WrapperNode [2019-11-26 17:05:07,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:07,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:07,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:07,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:07,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:07,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:07,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:07,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:07,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:07,714 INFO L168 Benchmark]: Toolchain (without parser) took 479.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 997.1 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:07,715 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-26 17:05:07,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.46 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:07,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 997.1 MB in the end (delta: -39.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:07,721 INFO L168 Benchmark]: Boogie Preprocessor took 19.53 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. [2019-11-26 17:05:07,732 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 361.46 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.4 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 89.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 997.1 MB in the end (delta: -39.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 19.53 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...