./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.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 b54c9d2adb9e977f0950bab67988d354292e80fb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-crafted-1/nested_delay_notd2.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 b54c9d2adb9e977f0950bab67988d354292e80fb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:04:49,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:04:49,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:04:49,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:04:49,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:04:49,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:04:50,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:04:50,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:04:50,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:04:50,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:04:50,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:04:50,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:04:50,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:04:50,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:04:50,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:04:50,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:04:50,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:04:50,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:04:50,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:04:50,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:04:50,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:04:50,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:04:50,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:04:50,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:04:50,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:04:50,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:04:50,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:04:50,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:04:50,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:04:50,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:04:50,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:04:50,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:04:50,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:04:50,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:04:50,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:04:50,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:04:50,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:04:50,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:04:50,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:04:50,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:04:50,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:04:50,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:04:50,116 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:04:50,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:04:50,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:04:50,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:04:50,122 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:04:50,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:04:50,124 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:04:50,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:04:50,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:04:50,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:04:50,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:04:50,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:04:50,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:04:50,126 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:04:50,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:04:50,127 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:04:50,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:04:50,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:04:50,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:04:50,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:04:50,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:04:50,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:04:50,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:04:50,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:04:50,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:04:50,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:04:50,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:04:50,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:04:50,134 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 -> b54c9d2adb9e977f0950bab67988d354292e80fb [2019-11-26 17:04:50,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:04:50,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:04:50,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:04:50,632 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:04:50,634 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:04:50,635 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c [2019-11-26 17:04:50,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a724b0f7/9df849d167fa480d916caaf89f9f7634/FLAG55d9fe652 [2019-11-26 17:04:51,446 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:04:51,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c [2019-11-26 17:04:51,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a724b0f7/9df849d167fa480d916caaf89f9f7634/FLAG55d9fe652 [2019-11-26 17:04:51,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a724b0f7/9df849d167fa480d916caaf89f9f7634 [2019-11-26 17:04:51,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:04:51,778 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:04:51,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:04:51,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:04:51,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:04:51,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:04:51" (1/1) ... [2019-11-26 17:04:51,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f8f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:51, skipping insertion in model container [2019-11-26 17:04:51,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:04:51" (1/1) ... [2019-11-26 17:04:51,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:04:51,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:04:52,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:04:52,127 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:04:52,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:04:52,164 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:04:52,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:52 WrapperNode [2019-11-26 17:04:52,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:04:52,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:04:52,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:04:52,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:04:52,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:52" (1/1) ... [2019-11-26 17:04:52,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:52" (1/1) ... [2019-11-26 17:04:52,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:04:52,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:04:52,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:04:52,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:04:52,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:52" (1/1) ... [2019-11-26 17:04:52,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:52" (1/1) ... [2019-11-26 17:04:52,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:52" (1/1) ... [2019-11-26 17:04:52,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:52" (1/1) ... [2019-11-26 17:04:52,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:52" (1/1) ... [2019-11-26 17:04:52,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:52" (1/1) ... [2019-11-26 17:04:52,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:52" (1/1) ... [2019-11-26 17:04:52,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:04:52,331 INFO L168 Benchmark]: Toolchain (without parser) took 547.44 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 989.8 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:04:52,333 INFO L168 Benchmark]: CDTParser took 0.21 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 17:04:52,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.61 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:52,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.03 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 995.6 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:52,351 INFO L168 Benchmark]: Boogie Preprocessor took 35.13 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:52,360 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 386.61 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 117.03 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 995.6 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 35.13 ms. Allocated memory is still 1.0 GB. Free memory was 995.6 MB in the beginning and 989.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:04:55,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:04:55,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:04:55,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:04:55,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:04:55,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:04:55,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:04:55,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:04:55,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:04:55,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:04:55,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:04:55,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:04:55,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:04:55,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:04:55,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:04:55,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:04:55,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:04:55,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:04:55,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:04:55,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:04:55,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:04:55,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:04:55,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:04:55,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:04:55,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:04:55,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:04:55,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:04:55,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:04:55,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:04:55,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:04:55,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:04:55,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:04:55,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:04:55,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:04:55,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:04:55,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:04:55,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:04:55,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:04:55,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:04:55,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:04:55,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:04:55,160 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:04:55,186 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:04:55,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:04:55,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:04:55,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:04:55,192 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:04:55,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:04:55,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:04:55,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:04:55,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:04:55,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:04:55,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:04:55,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:04:55,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:04:55,196 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:04:55,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:04:55,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:04:55,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:04:55,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:04:55,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:04:55,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:04:55,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:04:55,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:04:55,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:04:55,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:04:55,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:04:55,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:04:55,201 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:04:55,202 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:04:55,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:04:55,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:04:55,203 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 -> b54c9d2adb9e977f0950bab67988d354292e80fb [2019-11-26 17:04:55,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:04:55,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:04:55,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:04:55,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:04:55,686 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:04:55,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c [2019-11-26 17:04:55,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d72a44cb/a16c05c7c19c4011a28a13007cf34fea/FLAGaec46971a [2019-11-26 17:04:56,490 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:04:56,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c [2019-11-26 17:04:56,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d72a44cb/a16c05c7c19c4011a28a13007cf34fea/FLAGaec46971a [2019-11-26 17:04:56,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d72a44cb/a16c05c7c19c4011a28a13007cf34fea [2019-11-26 17:04:56,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:04:56,833 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:04:56,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:04:56,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:04:56,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:04:56,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:04:56" (1/1) ... [2019-11-26 17:04:56,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9cbd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:56, skipping insertion in model container [2019-11-26 17:04:56,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:04:56" (1/1) ... [2019-11-26 17:04:56,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:04:56,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:04:57,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:04:57,201 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:04:57,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:04:57,242 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:04:57,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:57 WrapperNode [2019-11-26 17:04:57,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:04:57,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:04:57,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:04:57,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:04:57,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:57" (1/1) ... [2019-11-26 17:04:57,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:57" (1/1) ... [2019-11-26 17:04:57,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:04:57,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:04:57,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:04:57,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:04:57,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:57" (1/1) ... [2019-11-26 17:04:57,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:57" (1/1) ... [2019-11-26 17:04:57,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:57" (1/1) ... [2019-11-26 17:04:57,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:57" (1/1) ... [2019-11-26 17:04:57,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:57" (1/1) ... [2019-11-26 17:04:57,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:57" (1/1) ... [2019-11-26 17:04:57,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:57" (1/1) ... [2019-11-26 17:04:57,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:04:57,403 INFO L168 Benchmark]: Toolchain (without parser) took 566.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:04:57,405 INFO L168 Benchmark]: CDTParser took 1.66 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. [2019-11-26 17:04:57,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.27 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:57,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:57,409 INFO L168 Benchmark]: Boogie Preprocessor took 41.80 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:57,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66 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 408.27 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 107.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 41.80 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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...