./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem15_label21.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 d0a4c8012874d1ff764bed1f77512608d8acedf8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/eca-rers2012/Problem15_label21.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 d0a4c8012874d1ff764bed1f77512608d8acedf8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:57:57,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:57:57,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:57:57,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:57:57,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:57:57,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:57:57,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:57:57,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:57:57,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:57:57,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:57:57,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:57:57,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:57:57,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:57:57,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:57:57,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:57:57,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:57:57,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:57:57,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:57:57,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:57:57,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:57:57,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:57:57,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:57:57,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:57:57,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:57:57,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:57:57,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:57:57,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:57:57,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:57:57,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:57:57,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:57:57,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:57:57,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:57:57,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:57:57,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:57:57,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:57:57,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:57:57,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:57:57,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:57:57,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:57:57,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:57:57,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:57:57,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:57:57,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:57:57,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:57:57,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:57:57,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:57:57,594 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:57:57,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:57:57,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:57:57,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:57:57,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:57:57,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:57:57,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:57:57,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:57:57,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:57:57,600 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:57:57,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:57:57,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:57:57,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:57:57,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:57:57,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:57:57,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:57:57,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:57:57,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:57:57,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:57:57,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:57:57,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:57:57,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:57:57,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:57:57,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:57:57,608 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 -> d0a4c8012874d1ff764bed1f77512608d8acedf8 [2019-11-27 15:57:58,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:57:58,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:57:58,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:57:58,219 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:57:58,220 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:57:58,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label21.c [2019-11-27 15:57:58,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142cd1156/8585fbb44353487690b32386443a4d69/FLAGb11be0c8a [2019-11-27 15:57:59,758 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:57:59,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label21.c [2019-11-27 15:57:59,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142cd1156/8585fbb44353487690b32386443a4d69/FLAGb11be0c8a [2019-11-27 15:58:00,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142cd1156/8585fbb44353487690b32386443a4d69 [2019-11-27 15:58:00,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:58:00,088 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:58:00,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:00,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:58:00,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:58:00,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:00" (1/1) ... [2019-11-27 15:58:00,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717ede78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:00, skipping insertion in model container [2019-11-27 15:58:00,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:00" (1/1) ... [2019-11-27 15:58:00,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:58:00,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:58:01,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:02,012 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:58:02,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:02,645 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:58:02,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:02 WrapperNode [2019-11-27 15:58:02,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:02,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:02,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:58:02,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:58:02,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:02" (1/1) ... [2019-11-27 15:58:02,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:02" (1/1) ... [2019-11-27 15:58:03,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:03,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:58:03,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:58:03,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:58:03,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:02" (1/1) ... [2019-11-27 15:58:03,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:02" (1/1) ... [2019-11-27 15:58:03,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:02" (1/1) ... [2019-11-27 15:58:03,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:02" (1/1) ... [2019-11-27 15:58:03,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:02" (1/1) ... [2019-11-27 15:58:03,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:02" (1/1) ... [2019-11-27 15:58:03,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:02" (1/1) ... [2019-11-27 15:58:03,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:58:03,603 INFO L168 Benchmark]: Toolchain (without parser) took 3512.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 866.7 MB in the end (delta: 89.2 MB). Peak memory consumption was 89.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:03,604 INFO L168 Benchmark]: CDTParser took 1.86 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:58:03,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2558.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 929.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 43.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:03,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 446.88 ms. Allocated memory is still 1.0 GB. Free memory was 929.7 MB in the beginning and 895.4 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:03,615 INFO L168 Benchmark]: Boogie Preprocessor took 498.22 ms. Allocated memory is still 1.0 GB. Free memory was 895.4 MB in the beginning and 866.7 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:03,628 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.86 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 2558.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 929.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 43.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 446.88 ms. Allocated memory is still 1.0 GB. Free memory was 929.7 MB in the beginning and 895.4 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 498.22 ms. Allocated memory is still 1.0 GB. Free memory was 895.4 MB in the beginning and 866.7 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 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 0.1.24-509859d [2019-11-27 15:58:07,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:58:07,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:58:07,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:58:07,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:58:07,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:58:07,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:58:07,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:58:07,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:58:07,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:58:07,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:58:07,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:58:07,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:58:07,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:58:07,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:58:07,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:58:07,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:58:07,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:58:07,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:58:07,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:58:07,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:58:07,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:58:07,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:58:07,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:58:07,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:58:07,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:58:07,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:58:07,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:58:07,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:58:07,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:58:07,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:58:07,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:58:07,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:58:07,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:58:07,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:58:07,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:58:07,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:58:07,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:58:07,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:58:07,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:58:07,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:58:07,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:58:07,881 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:58:07,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:58:07,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:58:07,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:58:07,889 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:58:07,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:58:07,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:58:07,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:58:07,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:58:07,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:58:07,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:58:07,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:58:07,896 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:58:07,897 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:58:07,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:58:07,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:58:07,898 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:58:07,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:58:07,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:58:07,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:58:07,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:58:07,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:58:07,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:58:07,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:58:07,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:58:07,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:58:07,904 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:58:07,904 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:58:07,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:58:07,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:58:07,907 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 -> d0a4c8012874d1ff764bed1f77512608d8acedf8 [2019-11-27 15:58:08,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:58:08,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:58:08,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:58:08,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:58:08,483 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:58:08,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label21.c [2019-11-27 15:58:08,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8deb7bfac/3abcb516e1c44c6580f93688f6a216a2/FLAGba7f8c43a [2019-11-27 15:58:09,982 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:58:09,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label21.c [2019-11-27 15:58:10,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8deb7bfac/3abcb516e1c44c6580f93688f6a216a2/FLAGba7f8c43a [2019-11-27 15:58:10,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8deb7bfac/3abcb516e1c44c6580f93688f6a216a2 [2019-11-27 15:58:10,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:58:10,301 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:58:10,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:10,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:58:10,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:58:10,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:10" (1/1) ... [2019-11-27 15:58:10,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9841a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:10, skipping insertion in model container [2019-11-27 15:58:10,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:10" (1/1) ... [2019-11-27 15:58:10,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:58:10,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:58:12,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:12,521 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:58:13,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:13,330 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:58:13,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:13 WrapperNode [2019-11-27 15:58:13,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:13,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:13,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:58:13,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:58:13,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:13" (1/1) ... [2019-11-27 15:58:13,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:13" (1/1) ... [2019-11-27 15:58:13,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:13,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:58:13,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:58:13,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:58:13,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:13" (1/1) ... [2019-11-27 15:58:13,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:13" (1/1) ... [2019-11-27 15:58:13,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:13" (1/1) ... [2019-11-27 15:58:13,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:13" (1/1) ... [2019-11-27 15:58:13,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:13" (1/1) ... [2019-11-27 15:58:13,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:13" (1/1) ... [2019-11-27 15:58:13,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:13" (1/1) ... [2019-11-27 15:58:13,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:58:13,956 INFO L168 Benchmark]: Toolchain (without parser) took 3649.92 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 868.1 MB in the end (delta: 93.6 MB). Peak memory consumption was 93.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:13,959 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-27 15:58:13,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3029.86 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 896.8 MB in the end (delta: 64.9 MB). Peak memory consumption was 65.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:13,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 289.42 ms. Allocated memory is still 1.0 GB. Free memory was 896.8 MB in the beginning and 879.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:13,969 INFO L168 Benchmark]: Boogie Preprocessor took 322.13 ms. Allocated memory is still 1.0 GB. Free memory was 879.6 MB in the beginning and 868.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:13,978 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 3029.86 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 896.8 MB in the end (delta: 64.9 MB). Peak memory consumption was 65.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 289.42 ms. Allocated memory is still 1.0 GB. Free memory was 896.8 MB in the beginning and 879.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 322.13 ms. Allocated memory is still 1.0 GB. Free memory was 879.6 MB in the beginning and 868.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...