./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/nested_1-2.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-acceleration/nested_1-2.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 686a2dea11f9b7e026c45bd49045383307faf72e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-acceleration/nested_1-2.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 686a2dea11f9b7e026c45bd49045383307faf72e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:03:42,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:42,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:43,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:43,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:43,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:43,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:43,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:43,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:43,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:43,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:43,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:43,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:43,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:43,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:43,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:43,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:43,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:43,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:43,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:43,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:43,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:43,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:43,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:43,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:43,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:43,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:43,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:43,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:43,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:43,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:43,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:43,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:43,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:43,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:43,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:43,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:43,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:43,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:43,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:43,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:43,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:03:43,212 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:43,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:43,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:43,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:43,222 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:43,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:43,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:43,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:03:43,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:43,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:43,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:43,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:43,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:43,229 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:43,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:43,229 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:43,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:43,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:43,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:43,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:43,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:43,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:43,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:43,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:43,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:43,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:03:43,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:03:43,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:43,237 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 -> 686a2dea11f9b7e026c45bd49045383307faf72e [2019-11-26 17:03:43,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:43,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:43,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:43,820 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:43,823 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:43,824 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/nested_1-2.c [2019-11-26 17:03:43,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5d4a19fe/2850938c1455403fa3150f4c9abb9ec6/FLAGbe498a379 [2019-11-26 17:03:45,004 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:45,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/nested_1-2.c [2019-11-26 17:03:45,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5d4a19fe/2850938c1455403fa3150f4c9abb9ec6/FLAGbe498a379 [2019-11-26 17:03:45,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5d4a19fe/2850938c1455403fa3150f4c9abb9ec6 [2019-11-26 17:03:45,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:45,073 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:45,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:45,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:45,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:45,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45, skipping insertion in model container [2019-11-26 17:03:45,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:45,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:45,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:45,637 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:45,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:45,713 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:45,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45 WrapperNode [2019-11-26 17:03:45,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:45,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:45,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:45,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:45,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:45,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:45,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:45,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:45,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:45" (1/1) ... [2019-11-26 17:03:45,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:45,965 INFO L168 Benchmark]: Toolchain (without parser) took 887.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:45,970 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-26 17:03:45,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.88 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. [2019-11-26 17:03:45,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:45,981 INFO L168 Benchmark]: Boogie Preprocessor took 59.92 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 17:03:45,994 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 639.88 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 179.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.92 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 17:03:49,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:49,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:50,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:50,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:50,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:50,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:50,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:50,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:50,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:50,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:50,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:50,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:50,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:50,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:50,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:50,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:50,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:50,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:50,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:50,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:50,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:50,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:50,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:50,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:50,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:50,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:50,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:50,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:50,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:50,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:50,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:50,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:50,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:50,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:50,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:50,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:50,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:50,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:50,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:50,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:50,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:03:50,198 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:50,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:50,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:50,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:50,205 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:50,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:50,205 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:50,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:50,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:50,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:50,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:50,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:50,208 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:03:50,210 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:03:50,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:50,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:50,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:50,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:50,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:50,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:50,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:50,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:50,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:50,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:50,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:50,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:50,215 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:03:50,216 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:03:50,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:50,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:03:50,217 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 -> 686a2dea11f9b7e026c45bd49045383307faf72e [2019-11-26 17:03:50,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:50,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:50,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:50,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:50,873 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:50,877 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/nested_1-2.c [2019-11-26 17:03:51,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcce6497a/3edf89d2f42b4bc1a740c4ca49e66007/FLAG914a64ab8 [2019-11-26 17:03:52,035 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:52,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/nested_1-2.c [2019-11-26 17:03:52,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcce6497a/3edf89d2f42b4bc1a740c4ca49e66007/FLAG914a64ab8 [2019-11-26 17:03:52,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcce6497a/3edf89d2f42b4bc1a740c4ca49e66007 [2019-11-26 17:03:52,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:52,342 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:52,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:52,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:52,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:52,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb873af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52, skipping insertion in model container [2019-11-26 17:03:52,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:52,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:52,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:52,895 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:52,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:52,970 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:52,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52 WrapperNode [2019-11-26 17:03:52,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:52,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:52,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:52,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:53,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:53,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:53,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:53,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:53,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:53,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:53,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:53,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:53,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:53,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:53,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:53,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:53,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:53,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:53,199 INFO L168 Benchmark]: Toolchain (without parser) took 840.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:53,203 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-26 17:03:53,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.76 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:53,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:53,213 INFO L168 Benchmark]: Boogie Preprocessor took 38.81 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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. [2019-11-26 17:03:53,226 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 625.76 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 167.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 38.81 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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...