./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/MultCommutative-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/recursive/MultCommutative-2.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 a755472942b72da612d26a2f3af20ed4332f07b5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/recursive/MultCommutative-2.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 a755472942b72da612d26a2f3af20ed4332f07b5 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:04:32,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:32,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:32,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:32,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:32,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:32,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:32,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:32,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:32,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:32,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:32,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:32,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:32,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:32,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:32,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:32,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:32,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:32,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:32,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:32,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:32,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:32,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:32,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:32,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:32,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:32,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:32,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:32,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:32,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:32,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:32,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:32,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:32,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:32,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:32,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:32,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:32,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:32,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:32,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:32,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:32,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:04:32,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:32,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:32,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:32,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:32,263 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:32,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:32,265 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:32,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:04:32,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:32,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:32,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:32,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:32,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:32,271 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:32,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:32,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:32,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:32,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:32,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:32,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:32,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:32,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:32,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:32,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:32,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:32,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:04:32,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:04:32,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:32,280 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 -> a755472942b72da612d26a2f3af20ed4332f07b5 [2019-11-25 23:04:32,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:32,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:32,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:32,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:32,836 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:32,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/MultCommutative-2.c [2019-11-25 23:04:33,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ed24fc28/f0ebcd2461dd45d3b827dad7a38e55a9/FLAGe25ce05e4 [2019-11-25 23:04:34,047 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:34,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/MultCommutative-2.c [2019-11-25 23:04:34,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ed24fc28/f0ebcd2461dd45d3b827dad7a38e55a9/FLAGe25ce05e4 [2019-11-25 23:04:34,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ed24fc28/f0ebcd2461dd45d3b827dad7a38e55a9 [2019-11-25 23:04:34,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:34,118 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:34,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:34,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:34,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:34,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:34" (1/1) ... [2019-11-25 23:04:34,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:34, skipping insertion in model container [2019-11-25 23:04:34,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:34" (1/1) ... [2019-11-25 23:04:34,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:34,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:34,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:34,654 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:34,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:34,740 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:34,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:34 WrapperNode [2019-11-25 23:04:34,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:34,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:34,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:34,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:34,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:34" (1/1) ... [2019-11-25 23:04:34,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:34" (1/1) ... [2019-11-25 23:04:34,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:34,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:34,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:34,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:34,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:34" (1/1) ... [2019-11-25 23:04:34,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:34" (1/1) ... [2019-11-25 23:04:34,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:34" (1/1) ... [2019-11-25 23:04:34,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:34" (1/1) ... [2019-11-25 23:04:34,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:34" (1/1) ... [2019-11-25 23:04:34,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:34" (1/1) ... [2019-11-25 23:04:34,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:34" (1/1) ... [2019-11-25 23:04:34,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:35,014 INFO L168 Benchmark]: Toolchain (without parser) took 886.26 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:04:35,016 INFO L168 Benchmark]: CDTParser took 2.55 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. [2019-11-25 23:04:35,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.56 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. [2019-11-25 23:04:35,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.45 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 23:04:35,024 INFO L168 Benchmark]: Boogie Preprocessor took 64.67 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. [2019-11-25 23:04:35,036 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.55 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 624.56 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 191.45 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 64.67 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:04:38,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:04:38,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:04:38,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:04:38,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:04:38,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:04:38,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:04:39,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:04:39,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:04:39,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:04:39,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:04:39,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:04:39,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:04:39,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:04:39,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:04:39,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:04:39,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:04:39,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:04:39,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:04:39,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:04:39,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:04:39,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:04:39,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:04:39,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:04:39,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:04:39,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:04:39,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:04:39,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:04:39,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:04:39,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:04:39,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:04:39,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:04:39,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:04:39,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:04:39,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:04:39,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:04:39,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:04:39,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:04:39,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:04:39,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:04:39,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:04:39,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:04:39,161 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:04:39,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:04:39,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:04:39,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:04:39,170 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:04:39,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:04:39,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:04:39,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:04:39,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:04:39,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:04:39,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:04:39,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:04:39,176 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:04:39,176 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:04:39,177 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:04:39,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:04:39,177 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:04:39,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:04:39,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:04:39,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:04:39,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:04:39,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:04:39,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:04:39,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:04:39,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:04:39,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:04:39,184 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:04:39,185 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:04:39,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:04:39,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:04:39,189 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 -> a755472942b72da612d26a2f3af20ed4332f07b5 [2019-11-25 23:04:39,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:04:39,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:04:39,854 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:04:39,859 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:04:39,860 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:04:39,862 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/MultCommutative-2.c [2019-11-25 23:04:40,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a50cc88dd/621eb65e72c6480781d05ecda3ef3a49/FLAG57bdac9be [2019-11-25 23:04:41,022 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:04:41,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/MultCommutative-2.c [2019-11-25 23:04:41,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a50cc88dd/621eb65e72c6480781d05ecda3ef3a49/FLAG57bdac9be [2019-11-25 23:04:41,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a50cc88dd/621eb65e72c6480781d05ecda3ef3a49 [2019-11-25 23:04:41,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:04:41,209 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:04:41,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:41,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:04:41,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:04:41,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:41" (1/1) ... [2019-11-25 23:04:41,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1aada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:41, skipping insertion in model container [2019-11-25 23:04:41,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:04:41" (1/1) ... [2019-11-25 23:04:41,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:04:41,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:04:41,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:41,767 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:04:41,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:04:41,849 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:04:41,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:41 WrapperNode [2019-11-25 23:04:41,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:04:41,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:41,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:04:41,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:04:41,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:41" (1/1) ... [2019-11-25 23:04:41,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:41" (1/1) ... [2019-11-25 23:04:42,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:04:42,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:04:42,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:04:42,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:04:42,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:41" (1/1) ... [2019-11-25 23:04:42,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:41" (1/1) ... [2019-11-25 23:04:42,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:41" (1/1) ... [2019-11-25 23:04:42,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:41" (1/1) ... [2019-11-25 23:04:42,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:41" (1/1) ... [2019-11-25 23:04:42,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:41" (1/1) ... [2019-11-25 23:04:42,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:04:41" (1/1) ... [2019-11-25 23:04:42,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:04:42,164 INFO L168 Benchmark]: Toolchain (without parser) took 949.54 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. [2019-11-25 23:04:42,166 INFO L168 Benchmark]: CDTParser took 1.55 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. [2019-11-25 23:04:42,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.27 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. [2019-11-25 23:04:42,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 227.57 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. [2019-11-25 23:04:42,178 INFO L168 Benchmark]: Boogie Preprocessor took 72.64 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. [2019-11-25 23:04:42,193 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55 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 641.27 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 227.57 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 72.64 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...