./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/sep.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/reducercommutativity/sep.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e150e83dea41703782a488455769a24bf6c8f600 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/reducercommutativity/sep.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e150e83dea41703782a488455769a24bf6c8f600 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:35:22,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:35:22,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:35:23,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:35:23,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:35:23,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:35:23,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:35:23,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:35:23,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:35:23,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:35:23,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:35:23,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:35:23,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:35:23,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:35:23,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:35:23,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:35:23,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:35:23,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:35:23,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:35:23,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:35:23,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:35:23,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:35:23,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:35:23,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:35:23,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:35:23,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:35:23,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:35:23,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:35:23,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:35:23,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:35:23,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:35:23,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:35:23,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:35:23,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:35:23,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:35:23,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:35:23,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:35:23,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:35:23,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:35:23,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:35:23,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:35:23,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:35:23,199 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:35:23,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:35:23,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:35:23,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:35:23,208 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:35:23,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:35:23,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:35:23,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:35:23,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:35:23,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:35:23,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:35:23,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:35:23,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:35:23,216 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:35:23,217 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:35:23,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:35:23,217 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:35:23,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:35:23,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:35:23,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:35:23,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:35:23,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:35:23,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:35:23,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:35:23,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:35:23,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:35:23,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:35:23,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:35:23,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:35:23,223 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 -> e150e83dea41703782a488455769a24bf6c8f600 [2019-11-24 20:35:23,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:35:23,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:35:23,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:35:23,921 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:35:23,925 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:35:23,926 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sep.i [2019-11-24 20:35:24,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0236cbf23/e2d68cbfaced428084fb30c2f1a43740/FLAG55f2f5607 [2019-11-24 20:35:25,167 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:35:25,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep.i [2019-11-24 20:35:25,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0236cbf23/e2d68cbfaced428084fb30c2f1a43740/FLAG55f2f5607 [2019-11-24 20:35:25,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0236cbf23/e2d68cbfaced428084fb30c2f1a43740 [2019-11-24 20:35:25,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:35:25,237 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:35:25,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:25,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:35:25,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:35:25,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:25" (1/1) ... [2019-11-24 20:35:25,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe53f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:25, skipping insertion in model container [2019-11-24 20:35:25,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:25" (1/1) ... [2019-11-24 20:35:25,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:35:25,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:35:25,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:25,829 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:35:25,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:26,019 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:35:26,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:26 WrapperNode [2019-11-24 20:35:26,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:26,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:26,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:35:26,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:35:26,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:26" (1/1) ... [2019-11-24 20:35:26,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:26" (1/1) ... [2019-11-24 20:35:26,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:26,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:35:26,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:35:26,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:35:26,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:26" (1/1) ... [2019-11-24 20:35:26,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:26" (1/1) ... [2019-11-24 20:35:26,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:26" (1/1) ... [2019-11-24 20:35:26,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:26" (1/1) ... [2019-11-24 20:35:26,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:26" (1/1) ... [2019-11-24 20:35:26,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:26" (1/1) ... [2019-11-24 20:35:26,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:26" (1/1) ... [2019-11-24 20:35:26,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:35:26,242 INFO L168 Benchmark]: Toolchain (without parser) took 1004.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:26,247 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:26,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:35:26,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.12 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:35:26,269 INFO L168 Benchmark]: Boogie Preprocessor took 70.36 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:26,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 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 782.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 138.12 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. * Boogie Preprocessor took 70.36 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 20:35:30,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:35:30,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:35:30,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:35:30,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:35:30,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:35:30,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:35:30,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:35:30,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:35:30,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:35:30,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:35:30,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:35:30,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:35:30,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:35:30,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:35:30,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:35:30,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:35:30,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:35:30,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:35:30,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:35:30,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:35:30,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:35:30,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:35:30,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:35:30,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:35:30,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:35:30,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:35:30,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:35:30,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:35:30,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:35:30,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:35:30,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:35:30,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:35:30,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:35:30,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:35:30,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:35:30,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:35:30,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:35:30,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:35:30,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:35:30,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:35:30,326 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:35:30,382 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:35:30,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:35:30,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:35:30,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:35:30,394 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:35:30,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:35:30,397 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:35:30,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:35:30,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:35:30,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:35:30,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:35:30,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:35:30,400 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:35:30,402 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:35:30,402 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:35:30,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:35:30,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:35:30,405 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:35:30,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:35:30,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:35:30,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:35:30,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:35:30,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:35:30,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:35:30,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:35:30,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:35:30,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:35:30,412 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:35:30,413 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:35:30,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:35:30,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:35:30,418 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 -> e150e83dea41703782a488455769a24bf6c8f600 [2019-11-24 20:35:30,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:35:30,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:35:31,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:35:31,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:35:31,015 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:35:31,016 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sep.i [2019-11-24 20:35:31,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1faba13ed/c40c584afcff46eaa1098ad48597c493/FLAG31a57918a [2019-11-24 20:35:32,217 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:35:32,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep.i [2019-11-24 20:35:32,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1faba13ed/c40c584afcff46eaa1098ad48597c493/FLAG31a57918a [2019-11-24 20:35:32,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1faba13ed/c40c584afcff46eaa1098ad48597c493 [2019-11-24 20:35:32,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:35:32,509 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:35:32,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:32,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:35:32,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:35:32,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:32" (1/1) ... [2019-11-24 20:35:32,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5893cfee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:32, skipping insertion in model container [2019-11-24 20:35:32,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:32" (1/1) ... [2019-11-24 20:35:32,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:35:32,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:35:33,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:33,166 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:35:33,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:33,351 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:35:33,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:33 WrapperNode [2019-11-24 20:35:33,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:33,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:33,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:35:33,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:35:33,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:33" (1/1) ... [2019-11-24 20:35:33,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:33" (1/1) ... [2019-11-24 20:35:33,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:33,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:35:33,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:35:33,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:35:33,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:33" (1/1) ... [2019-11-24 20:35:33,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:33" (1/1) ... [2019-11-24 20:35:33,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:33" (1/1) ... [2019-11-24 20:35:33,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:33" (1/1) ... [2019-11-24 20:35:33,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:33" (1/1) ... [2019-11-24 20:35:33,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:33" (1/1) ... [2019-11-24 20:35:33,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:33" (1/1) ... [2019-11-24 20:35:33,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:35:33,569 INFO L168 Benchmark]: Toolchain (without parser) took 1054.30 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 989.5 MB in the end (delta: -27.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:33,570 INFO L168 Benchmark]: CDTParser took 2.02 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. [2019-11-24 20:35:33,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 843.69 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 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-24 20:35:33,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.99 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:33,578 INFO L168 Benchmark]: Boogie Preprocessor took 88.22 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 989.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:35:33,598 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.02 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 843.69 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 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 114.99 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.22 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 989.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...