./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/half_2.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/loop-invgen/half_2.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 ca10e259bac305ecd55fc4a34d201bc0894aa533 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-invgen/half_2.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 ca10e259bac305ecd55fc4a34d201bc0894aa533 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:04:00,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:04:00,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:04:00,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:04:00,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:04:00,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:04:00,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:04:00,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:04:00,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:04:00,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:04:00,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:04:00,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:04:00,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:04:00,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:04:00,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:04:00,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:04:01,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:04:01,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:04:01,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:04:01,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:04:01,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:04:01,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:04:01,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:04:01,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:04:01,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:04:01,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:04:01,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:04:01,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:04:01,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:04:01,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:04:01,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:04:01,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:04:01,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:04:01,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:04:01,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:04:01,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:04:01,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:04:01,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:04:01,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:04:01,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:04:01,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:04:01,083 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:04:01,119 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:04:01,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:04:01,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:04:01,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:04:01,128 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:04:01,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:04:01,129 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:04:01,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:04:01,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:04:01,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:04:01,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:04:01,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:04:01,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:04:01,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:04:01,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:04:01,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:04:01,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:04:01,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:04:01,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:04:01,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:04:01,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:04:01,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:04:01,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:04:01,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:04:01,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:04:01,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:04:01,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:04:01,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:04:01,143 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 -> ca10e259bac305ecd55fc4a34d201bc0894aa533 [2019-11-26 17:04:01,754 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:04:01,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:04:01,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:04:01,800 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:04:01,802 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:04:01,803 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/half_2.i [2019-11-26 17:04:01,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68540edb2/0c854af245b043cf91e65a1a4c17673d/FLAG3c6ba035e [2019-11-26 17:04:02,971 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:04:02,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/half_2.i [2019-11-26 17:04:02,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68540edb2/0c854af245b043cf91e65a1a4c17673d/FLAG3c6ba035e [2019-11-26 17:04:03,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68540edb2/0c854af245b043cf91e65a1a4c17673d [2019-11-26 17:04:03,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:04:03,034 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:04:03,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:04:03,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:04:03,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:04:03,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:04:03" (1/1) ... [2019-11-26 17:04:03,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4667024d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:03, skipping insertion in model container [2019-11-26 17:04:03,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:04:03" (1/1) ... [2019-11-26 17:04:03,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:04:03,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:04:03,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:04:03,518 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:04:03,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:04:03,558 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:04:03,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:03 WrapperNode [2019-11-26 17:04:03,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:04:03,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:04:03,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:04:03,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:04:03,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:03" (1/1) ... [2019-11-26 17:04:03,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:03" (1/1) ... [2019-11-26 17:04:03,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:04:03,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:04:03,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:04:03,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:04:03,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:03" (1/1) ... [2019-11-26 17:04:03,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:03" (1/1) ... [2019-11-26 17:04:03,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:03" (1/1) ... [2019-11-26 17:04:03,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:03" (1/1) ... [2019-11-26 17:04:03,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:03" (1/1) ... [2019-11-26 17:04:03,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:03" (1/1) ... [2019-11-26 17:04:03,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:03" (1/1) ... [2019-11-26 17:04:03,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:04:03,818 INFO L168 Benchmark]: Toolchain (without parser) took 777.60 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. [2019-11-26 17:04:03,821 INFO L168 Benchmark]: CDTParser took 1.48 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 17:04:03,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.79 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 17:04:03,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.84 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. [2019-11-26 17:04:03,839 INFO L168 Benchmark]: Boogie Preprocessor took 61.83 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:03,851 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48 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 527.79 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 172.84 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 61.83 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:04:07,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:04:07,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:04:07,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:04:07,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:04:07,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:04:07,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:04:07,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:04:07,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:04:07,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:04:07,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:04:07,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:04:07,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:04:07,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:04:07,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:04:07,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:04:07,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:04:07,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:04:07,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:04:07,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:04:07,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:04:07,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:04:07,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:04:07,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:04:07,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:04:07,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:04:07,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:04:07,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:04:07,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:04:07,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:04:07,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:04:07,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:04:07,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:04:07,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:04:07,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:04:07,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:04:07,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:04:07,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:04:07,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:04:07,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:04:07,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:04:07,841 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:04:07,881 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:04:07,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:04:07,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:04:07,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:04:07,889 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:04:07,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:04:07,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:04:07,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:04:07,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:04:07,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:04:07,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:04:07,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:04:07,896 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:04:07,896 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:04:07,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:04:07,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:04:07,898 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:04:07,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:04:07,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:04:07,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:04:07,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:04:07,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:04:07,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:04:07,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:04:07,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:04:07,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:04:07,906 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:04:07,906 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:04:07,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:04:07,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:04:07,909 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 -> ca10e259bac305ecd55fc4a34d201bc0894aa533 [2019-11-26 17:04:08,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:04:08,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:04:08,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:04:08,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:04:08,516 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:04:08,518 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/half_2.i [2019-11-26 17:04:08,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/accaf60fa/1dc68273415248d9b3068bd100a222ab/FLAG72491415b [2019-11-26 17:04:09,557 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:04:09,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/half_2.i [2019-11-26 17:04:09,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/accaf60fa/1dc68273415248d9b3068bd100a222ab/FLAG72491415b [2019-11-26 17:04:09,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/accaf60fa/1dc68273415248d9b3068bd100a222ab [2019-11-26 17:04:09,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:04:09,848 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:04:09,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:04:09,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:04:09,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:04:09,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:04:09" (1/1) ... [2019-11-26 17:04:09,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451439b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:09, skipping insertion in model container [2019-11-26 17:04:09,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:04:09" (1/1) ... [2019-11-26 17:04:09,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:04:09,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:04:10,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:04:10,304 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:04:10,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:04:10,366 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:04:10,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:10 WrapperNode [2019-11-26 17:04:10,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:04:10,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:04:10,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:04:10,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:04:10,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:10" (1/1) ... [2019-11-26 17:04:10,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:10" (1/1) ... [2019-11-26 17:04:10,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:04:10,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:04:10,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:04:10,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:04:10,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:10" (1/1) ... [2019-11-26 17:04:10,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:10" (1/1) ... [2019-11-26 17:04:10,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:10" (1/1) ... [2019-11-26 17:04:10,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:10" (1/1) ... [2019-11-26 17:04:10,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:10" (1/1) ... [2019-11-26 17:04:10,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:10" (1/1) ... [2019-11-26 17:04:10,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:04:10" (1/1) ... [2019-11-26 17:04:10,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:04:10,596 INFO L168 Benchmark]: Toolchain (without parser) took 745.80 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 991.3 MB in the end (delta: -25.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:04:10,598 INFO L168 Benchmark]: CDTParser took 3.98 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 17:04:10,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.30 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:10,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.1 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:10,611 INFO L168 Benchmark]: Boogie Preprocessor took 47.32 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:04:10,618 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.98 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 516.30 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 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 171.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.1 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.32 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...