./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --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/ldv-regression/test_while_int.c_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87afddccfd1da763b81be9f487d95a8fd1750032 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/ldv-regression/test_while_int.c_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87afddccfd1da763b81be9f487d95a8fd1750032 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:01:58,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:58,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:58,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:58,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:58,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:58,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:58,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:58,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:58,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:58,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:58,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:58,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:58,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:58,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:58,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:58,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:58,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:58,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:58,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:58,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:58,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:58,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:58,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:58,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:58,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:58,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:58,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:58,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:58,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:58,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:58,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:58,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:58,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:58,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:58,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:58,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:58,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:58,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:58,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:58,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:58,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:58,244 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:58,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:58,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:58,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:58,257 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:58,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:58,257 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:58,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:58,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:58,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:58,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:58,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:58,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:58,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:58,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:58,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:58,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:58,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:58,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:58,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:58,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:58,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:58,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:58,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:58,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:58,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:58,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:58,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:58,272 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 -> 87afddccfd1da763b81be9f487d95a8fd1750032 [2019-11-26 17:01:58,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:58,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:58,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:58,932 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:58,934 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:58,935 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-11-26 17:01:59,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f7a398a/948aa1461c7940fea45a6dc2b6708d82/FLAG1fc117819 [2019-11-26 17:02:00,138 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:02:00,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-11-26 17:02:00,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f7a398a/948aa1461c7940fea45a6dc2b6708d82/FLAG1fc117819 [2019-11-26 17:02:00,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f7a398a/948aa1461c7940fea45a6dc2b6708d82 [2019-11-26 17:02:00,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:02:00,205 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:02:00,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:02:00,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:02:00,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:02:00,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:02:00" (1/1) ... [2019-11-26 17:02:00,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3467d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:00, skipping insertion in model container [2019-11-26 17:02:00,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:02:00" (1/1) ... [2019-11-26 17:02:00,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:02:00,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:02:00,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:02:00,698 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:02:00,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:02:00,721 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:02:00,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:00 WrapperNode [2019-11-26 17:02:00,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:02:00,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:02:00,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:02:00,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:02:00,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:00" (1/1) ... [2019-11-26 17:02:00,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:00" (1/1) ... [2019-11-26 17:02:00,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:02:00,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:02:00,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:02:00,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:02:00,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:00" (1/1) ... [2019-11-26 17:02:00,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:00" (1/1) ... [2019-11-26 17:02:00,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:00" (1/1) ... [2019-11-26 17:02:00,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:00" (1/1) ... [2019-11-26 17:02:00,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:00" (1/1) ... [2019-11-26 17:02:00,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:00" (1/1) ... [2019-11-26 17:02:00,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:00" (1/1) ... [2019-11-26 17:02:00,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:02:00,995 INFO L168 Benchmark]: Toolchain (without parser) took 784.71 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 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:02:01,000 INFO L168 Benchmark]: CDTParser took 0.29 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 17:02:01,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.87 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 17:02:01,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 207.96 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 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:02:01,007 INFO L168 Benchmark]: Boogie Preprocessor took 47.36 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:02:01,020 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 517.87 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 207.96 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 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.36 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 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 0.1.24-025d5a2 [2019-11-26 17:02:04,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:02:04,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:02:04,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:02:04,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:02:04,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:02:04,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:02:04,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:02:04,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:02:04,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:02:04,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:02:04,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:02:04,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:02:04,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:02:04,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:02:04,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:02:04,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:02:04,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:02:04,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:02:04,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:02:04,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:02:04,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:02:04,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:02:04,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:02:04,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:02:04,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:02:05,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:02:05,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:02:05,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:02:05,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:02:05,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:02:05,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:02:05,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:02:05,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:02:05,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:02:05,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:02:05,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:02:05,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:02:05,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:02:05,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:02:05,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:02:05,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:02:05,069 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:02:05,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:02:05,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:02:05,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:02:05,078 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:02:05,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:02:05,079 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:02:05,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:02:05,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:02:05,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:02:05,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:02:05,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:02:05,083 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:02:05,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:02:05,086 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:02:05,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:02:05,087 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:02:05,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:02:05,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:02:05,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:02:05,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:02:05,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:02:05,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:02:05,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:02:05,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:02:05,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:02:05,092 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:02:05,094 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:02:05,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:02:05,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:02:05,095 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 -> 87afddccfd1da763b81be9f487d95a8fd1750032 [2019-11-26 17:02:05,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:02:05,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:02:05,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:02:05,698 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:02:05,700 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:02:05,702 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-11-26 17:02:05,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa66cc9d/24c7ef7521694f95ab9ae7bb5dfd42c0/FLAG0d3b4e2dc [2019-11-26 17:02:06,891 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:02:06,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-11-26 17:02:06,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa66cc9d/24c7ef7521694f95ab9ae7bb5dfd42c0/FLAG0d3b4e2dc [2019-11-26 17:02:07,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa66cc9d/24c7ef7521694f95ab9ae7bb5dfd42c0 [2019-11-26 17:02:07,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:02:07,184 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:02:07,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:02:07,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:02:07,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:02:07,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:02:07" (1/1) ... [2019-11-26 17:02:07,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33dd396d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:07, skipping insertion in model container [2019-11-26 17:02:07,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:02:07" (1/1) ... [2019-11-26 17:02:07,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:02:07,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:02:07,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:02:07,652 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:02:07,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:02:07,692 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:02:07,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:07 WrapperNode [2019-11-26 17:02:07,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:02:07,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:02:07,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:02:07,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:02:07,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:07" (1/1) ... [2019-11-26 17:02:07,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:07" (1/1) ... [2019-11-26 17:02:07,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:02:07,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:02:07,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:02:07,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:02:07,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:07" (1/1) ... [2019-11-26 17:02:07,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:07" (1/1) ... [2019-11-26 17:02:07,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:07" (1/1) ... [2019-11-26 17:02:07,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:07" (1/1) ... [2019-11-26 17:02:07,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:07" (1/1) ... [2019-11-26 17:02:07,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:07" (1/1) ... [2019-11-26 17:02:07,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:02:07" (1/1) ... [2019-11-26 17:02:07,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:02:07,898 INFO L168 Benchmark]: Toolchain (without parser) took 697.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:02:07,900 INFO L168 Benchmark]: CDTParser took 0.31 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 17:02:07,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.82 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 17:02:07,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.90 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 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:02:07,910 INFO L168 Benchmark]: Boogie Preprocessor took 26.76 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:02:07,921 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 499.82 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 156.90 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 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 26.76 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...