./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/trex02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/loops/trex02-1.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 07bb2313a3de352e598d6db901c754bf4b158c72 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/loops/trex02-1.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 07bb2313a3de352e598d6db901c754bf4b158c72 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:12:51,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:51,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:51,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:51,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:51,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:51,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:51,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:51,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:51,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:51,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:51,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:51,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:51,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:51,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:51,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:51,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:51,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:51,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:51,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:51,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:51,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:51,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:51,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:51,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:51,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:51,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:51,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:51,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:51,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:51,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:51,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:51,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:51,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:51,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:51,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:51,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:51,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:51,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:51,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:51,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:51,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:51,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:51,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:51,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:51,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:51,190 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:51,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:51,191 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:51,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:51,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:51,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:51,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:51,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:51,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:51,193 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:51,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:51,194 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:51,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:51,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:51,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:51,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:51,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:51,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:51,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:51,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:51,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:51,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:51,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:51,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:51,201 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 -> 07bb2313a3de352e598d6db901c754bf4b158c72 [2019-11-27 16:12:51,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:51,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:51,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:51,811 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:51,813 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:51,814 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex02-1.c [2019-11-27 16:12:51,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b853c5b79/aafc61dd5dbb414189f122f7c642b0c9/FLAGceae0c17d [2019-11-27 16:12:52,981 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:52,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex02-1.c [2019-11-27 16:12:53,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b853c5b79/aafc61dd5dbb414189f122f7c642b0c9/FLAGceae0c17d [2019-11-27 16:12:53,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b853c5b79/aafc61dd5dbb414189f122f7c642b0c9 [2019-11-27 16:12:53,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:53,054 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:53,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:53,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:53,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:53,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f83d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53, skipping insertion in model container [2019-11-27 16:12:53,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:53,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:53,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:53,591 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:53,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:53,666 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:53,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53 WrapperNode [2019-11-27 16:12:53,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:53,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:53,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:53,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:53,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:53,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:53,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:53,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:53,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:53" (1/1) ... [2019-11-27 16:12:53,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:53,883 INFO L168 Benchmark]: Toolchain (without parser) took 830.02 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 996.8 MB in the end (delta: -35.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:53,885 INFO L168 Benchmark]: CDTParser took 1.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:53,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.54 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:53,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:53,907 INFO L168 Benchmark]: Boogie Preprocessor took 35.42 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:53,920 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41 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 616.54 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 169.05 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 35.42 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 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 0.1.24-509859d [2019-11-27 16:12:57,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:57,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:57,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:57,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:57,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:58,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:58,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:58,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:58,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:58,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:58,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:58,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:58,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:58,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:58,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:58,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:58,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:58,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:58,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:58,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:58,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:58,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:58,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:58,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:58,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:58,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:58,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:58,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:58,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:58,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:58,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:58,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:58,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:58,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:58,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:58,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:58,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:58,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:58,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:58,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:58,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:58,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:58,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:58,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:58,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:58,197 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:58,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:58,199 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:58,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:58,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:58,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:58,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:58,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:58,204 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:58,205 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:58,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:58,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:58,207 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:58,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:58,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:58,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:58,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:58,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:58,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:58,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:58,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:58,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:58,213 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:58,213 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:58,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:58,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:58,215 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 -> 07bb2313a3de352e598d6db901c754bf4b158c72 [2019-11-27 16:12:58,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:58,796 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:58,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:58,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:58,808 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:58,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex02-1.c [2019-11-27 16:12:58,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0719a248/fdc2492ed7fc405f874f9cd51a256103/FLAGbc1ccafc9 [2019-11-27 16:12:59,932 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:59,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex02-1.c [2019-11-27 16:12:59,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0719a248/fdc2492ed7fc405f874f9cd51a256103/FLAGbc1ccafc9 [2019-11-27 16:13:00,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0719a248/fdc2492ed7fc405f874f9cd51a256103 [2019-11-27 16:13:00,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:00,140 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:00,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:00,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:00,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:00,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46807bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00, skipping insertion in model container [2019-11-27 16:13:00,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:00,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:00,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:00,687 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:00,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:00,757 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:00,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00 WrapperNode [2019-11-27 16:13:00,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:00,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:00,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:00,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:00,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:00,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:00,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:00,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:00,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:00" (1/1) ... [2019-11-27 16:13:00,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:01,004 INFO L168 Benchmark]: Toolchain (without parser) took 858.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 997.0 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:01,007 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:01,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.78 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:01,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.90 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: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:01,017 INFO L168 Benchmark]: Boogie Preprocessor took 65.89 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:01,028 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 621.78 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 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 164.90 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: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 65.89 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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...