./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.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/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.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 41aeb4b3eafc96a3464e4411965bc0b5575f7ae7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.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 41aeb4b3eafc96a3464e4411965bc0b5575f7ae7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:22:41,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:22:41,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:22:41,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:22:41,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:22:41,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:22:41,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:22:41,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:22:41,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:22:41,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:22:41,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:22:41,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:22:41,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:22:41,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:22:41,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:22:41,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:22:41,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:22:41,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:22:41,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:22:41,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:22:41,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:22:41,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:22:41,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:22:41,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:22:41,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:22:41,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:22:41,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:22:41,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:22:41,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:22:41,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:22:41,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:22:41,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:22:41,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:22:41,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:22:41,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:22:41,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:22:41,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:22:41,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:22:41,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:22:41,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:22:41,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:22:41,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:22:41,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:22:41,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:22:41,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:22:41,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:22:41,602 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:22:41,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:22:41,602 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:22:41,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:22:41,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:22:41,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:22:41,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:22:41,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:22:41,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:22:41,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:22:41,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:22:41,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:22:41,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:22:41,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:22:41,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:22:41,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:22:41,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:22:41,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:22:41,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:22:41,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:22:41,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:22:41,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:22:41,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:22:41,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:22:41,618 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 -> 41aeb4b3eafc96a3464e4411965bc0b5575f7ae7 [2019-11-27 16:22:42,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:22:42,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:22:42,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:22:42,213 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:22:42,214 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:22:42,215 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-11-27 16:22:42,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8150438f0/0d577d9596374794ab7c244ddcb1047d/FLAGdc71d641c [2019-11-27 16:22:43,519 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:22:43,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-11-27 16:22:43,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8150438f0/0d577d9596374794ab7c244ddcb1047d/FLAGdc71d641c [2019-11-27 16:22:43,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8150438f0/0d577d9596374794ab7c244ddcb1047d [2019-11-27 16:22:43,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:22:43,578 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:22:43,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:43,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:22:43,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:22:43,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:43" (1/1) ... [2019-11-27 16:22:43,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9a9c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:43, skipping insertion in model container [2019-11-27 16:22:43,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:43" (1/1) ... [2019-11-27 16:22:43,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:22:43,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:22:44,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:44,559 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:44,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:44,801 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:44,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:44 WrapperNode [2019-11-27 16:22:44,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:44,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:44,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:44,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:44,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:44" (1/1) ... [2019-11-27 16:22:44,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:44" (1/1) ... [2019-11-27 16:22:44,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:44,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:44,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:44,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:44,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:44" (1/1) ... [2019-11-27 16:22:44,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:44" (1/1) ... [2019-11-27 16:22:45,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:44" (1/1) ... [2019-11-27 16:22:45,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:44" (1/1) ... [2019-11-27 16:22:45,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:44" (1/1) ... [2019-11-27 16:22:45,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:44" (1/1) ... [2019-11-27 16:22:45,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:44" (1/1) ... [2019-11-27 16:22:45,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:45,156 INFO L168 Benchmark]: Toolchain (without parser) took 1575.26 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 968.4 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:45,161 INFO L168 Benchmark]: CDTParser took 1.49 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 16:22:45,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1211.10 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 979.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:45,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.22 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:45,175 INFO L168 Benchmark]: Boogie Preprocessor took 178.18 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:45,189 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49 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 1211.10 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 979.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 167.22 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.18 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 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 0.1.24-509859d [2019-11-27 16:22:49,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:22:49,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:22:49,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:22:49,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:22:49,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:22:49,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:22:49,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:22:49,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:22:49,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:22:49,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:22:49,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:22:49,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:22:49,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:22:49,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:22:49,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:22:49,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:22:49,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:22:49,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:22:49,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:22:49,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:22:49,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:22:49,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:22:49,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:22:49,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:22:49,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:22:49,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:22:49,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:22:49,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:22:49,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:22:49,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:22:49,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:22:49,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:22:49,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:22:49,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:22:49,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:22:49,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:22:49,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:22:49,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:22:49,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:22:49,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:22:49,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:22:49,238 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:22:49,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:22:49,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:22:49,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:22:49,247 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:22:49,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:22:49,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:22:49,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:22:49,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:22:49,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:22:49,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:22:49,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:22:49,253 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:22:49,255 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:22:49,255 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:22:49,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:22:49,256 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:22:49,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:22:49,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:22:49,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:22:49,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:22:49,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:22:49,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:22:49,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:22:49,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:22:49,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:22:49,261 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:22:49,261 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:22:49,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:22:49,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:22:49,263 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 -> 41aeb4b3eafc96a3464e4411965bc0b5575f7ae7 [2019-11-27 16:22:49,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:22:49,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:22:49,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:22:49,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:22:49,866 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:22:49,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-11-27 16:22:50,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd933f13f/b8733bf3eb2542d1915eea2f5207ab33/FLAGd9a96ad9c [2019-11-27 16:22:51,171 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:22:51,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-11-27 16:22:51,210 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd933f13f/b8733bf3eb2542d1915eea2f5207ab33/FLAGd9a96ad9c [2019-11-27 16:22:51,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd933f13f/b8733bf3eb2542d1915eea2f5207ab33 [2019-11-27 16:22:51,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:22:51,320 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:22:51,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:51,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:22:51,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:22:51,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:51" (1/1) ... [2019-11-27 16:22:51,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bb17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:51, skipping insertion in model container [2019-11-27 16:22:51,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:51" (1/1) ... [2019-11-27 16:22:51,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:22:51,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:22:52,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:52,326 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:52,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:52,608 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:52,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:52 WrapperNode [2019-11-27 16:22:52,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:52,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:52,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:52,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:52,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:52" (1/1) ... [2019-11-27 16:22:52,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:52" (1/1) ... [2019-11-27 16:22:52,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:52,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:52,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:52,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:52,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:52" (1/1) ... [2019-11-27 16:22:52,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:52" (1/1) ... [2019-11-27 16:22:52,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:52" (1/1) ... [2019-11-27 16:22:52,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:52" (1/1) ... [2019-11-27 16:22:52,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:52" (1/1) ... [2019-11-27 16:22:52,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:52" (1/1) ... [2019-11-27 16:22:52,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:52" (1/1) ... [2019-11-27 16:22:52,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:52,981 INFO L168 Benchmark]: Toolchain (without parser) took 1657.49 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 967.0 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:52,985 INFO L168 Benchmark]: CDTParser took 2.44 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 16:22:52,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1282.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:52,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.53 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:52,995 INFO L168 Benchmark]: Boogie Preprocessor took 190.40 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 967.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:53,009 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.44 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 1282.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 170.53 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 190.40 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 967.0 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...