./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_3-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-acceleration/simple_3-2.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 92de3ce9156ddf83a60df0cbd59fea0aeff14b3b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/simple_3-2.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 92de3ce9156ddf83a60df0cbd59fea0aeff14b3b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:56:18,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:18,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:18,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:18,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:18,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:18,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:18,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:18,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:18,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:18,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:18,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:18,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:18,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:18,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:18,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:18,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:18,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:18,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:18,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:18,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:18,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:18,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:18,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:18,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:18,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:18,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:18,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:18,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:18,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:18,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:18,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:18,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:18,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:18,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:18,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:18,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:18,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:18,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:18,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:18,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:18,253 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:56:18,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:18,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:18,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:18,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:18,304 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:18,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:18,307 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:18,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:56:18,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:18,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:18,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:18,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:18,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:18,310 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:18,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:18,312 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:18,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:18,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:18,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:18,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:18,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:18,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:18,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:18,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:18,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:18,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:56:18,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:56:18,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:18,320 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 -> 92de3ce9156ddf83a60df0cbd59fea0aeff14b3b [2019-11-25 22:56:18,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:18,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:18,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:18,948 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:18,950 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:18,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_3-2.c [2019-11-25 22:56:19,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e588f5c6e/cfa2914e173f4f0ea3f18851c04c5545/FLAGd6291b030 [2019-11-25 22:56:20,127 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:20,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_3-2.c [2019-11-25 22:56:20,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e588f5c6e/cfa2914e173f4f0ea3f18851c04c5545/FLAGd6291b030 [2019-11-25 22:56:20,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e588f5c6e/cfa2914e173f4f0ea3f18851c04c5545 [2019-11-25 22:56:20,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:20,197 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:20,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:20,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:20,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:20,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:20" (1/1) ... [2019-11-25 22:56:20,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:20, skipping insertion in model container [2019-11-25 22:56:20,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:20" (1/1) ... [2019-11-25 22:56:20,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:20,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:20,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:20,728 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:20,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:20,802 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:20,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:20 WrapperNode [2019-11-25 22:56:20,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:20,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:20,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:20,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:20,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:20" (1/1) ... [2019-11-25 22:56:20,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:20" (1/1) ... [2019-11-25 22:56:21,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:21,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:21,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:21,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:21,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:20" (1/1) ... [2019-11-25 22:56:21,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:20" (1/1) ... [2019-11-25 22:56:21,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:20" (1/1) ... [2019-11-25 22:56:21,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:20" (1/1) ... [2019-11-25 22:56:21,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:20" (1/1) ... [2019-11-25 22:56:21,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:20" (1/1) ... [2019-11-25 22:56:21,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:20" (1/1) ... [2019-11-25 22:56:21,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:21,104 INFO L168 Benchmark]: Toolchain (without parser) took 902.50 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 991.1 MB in the end (delta: -30.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:21,106 INFO L168 Benchmark]: CDTParser took 1.43 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:21,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.32 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. [2019-11-25 22:56:21,112 INFO L168 Benchmark]: Boogie Procedure Inliner took 230.87 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 996.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:21,115 INFO L168 Benchmark]: Boogie Preprocessor took 54.64 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. [2019-11-25 22:56:21,128 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 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 605.32 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 230.87 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 996.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 54.64 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 0.1.24-65d6cd2 [2019-11-25 22:56:25,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:25,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:25,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:25,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:25,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:25,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:25,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:25,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:25,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:25,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:25,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:25,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:25,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:25,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:25,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:25,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:25,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:25,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:25,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:25,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:25,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:25,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:25,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:25,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:25,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:25,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:25,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:25,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:25,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:25,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:25,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:25,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:25,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:25,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:25,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:25,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:25,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:25,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:25,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:25,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:25,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:56:25,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:25,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:25,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:25,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:25,329 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:25,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:25,333 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:25,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:25,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:25,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:25,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:25,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:25,336 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:56:25,336 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:56:25,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:25,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:25,337 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:25,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:25,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:25,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:25,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:25,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:25,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:25,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:25,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:25,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:25,343 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:56:25,343 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:56:25,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:25,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:56:25,346 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 -> 92de3ce9156ddf83a60df0cbd59fea0aeff14b3b [2019-11-25 22:56:25,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:25,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:26,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:26,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:26,014 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:26,016 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_3-2.c [2019-11-25 22:56:26,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c19e7401/84d2297025d240ffbd5aab443377c8f9/FLAG7089374f5 [2019-11-25 22:56:26,961 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:26,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_3-2.c [2019-11-25 22:56:26,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c19e7401/84d2297025d240ffbd5aab443377c8f9/FLAG7089374f5 [2019-11-25 22:56:27,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c19e7401/84d2297025d240ffbd5aab443377c8f9 [2019-11-25 22:56:27,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:27,336 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:27,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:27,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:27,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:27,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:27" (1/1) ... [2019-11-25 22:56:27,361 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 25.11 10:56:27, skipping insertion in model container [2019-11-25 22:56:27,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:27" (1/1) ... [2019-11-25 22:56:27,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:27,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:27,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:27,859 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:27,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:27,997 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:27,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:27 WrapperNode [2019-11-25 22:56:27,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:28,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:28,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:28,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:28,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:27" (1/1) ... [2019-11-25 22:56:28,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:27" (1/1) ... [2019-11-25 22:56:28,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:28,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:28,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:28,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:28,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:27" (1/1) ... [2019-11-25 22:56:28,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:27" (1/1) ... [2019-11-25 22:56:28,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:27" (1/1) ... [2019-11-25 22:56:28,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:27" (1/1) ... [2019-11-25 22:56:28,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:27" (1/1) ... [2019-11-25 22:56:28,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:27" (1/1) ... [2019-11-25 22:56:28,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:27" (1/1) ... [2019-11-25 22:56:28,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:28,130 INFO L168 Benchmark]: Toolchain (without parser) took 776.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 997.0 MB in the end (delta: -31.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:28,132 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:28,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 997.0 MB in the end (delta: -31.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:28,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.45 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. [2019-11-25 22:56:28,139 INFO L168 Benchmark]: Boogie Preprocessor took 33.38 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. [2019-11-25 22:56:28,151 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 658.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 997.0 MB in the end (delta: -31.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 76.45 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. * Boogie Preprocessor took 33.38 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...