./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/token_ring.04.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/systemc/token_ring.04.cil-1.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 0d93d749d4c7ad15cc29deef6885966e95a2d557 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/systemc/token_ring.04.cil-1.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 0d93d749d4c7ad15cc29deef6885966e95a2d557 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:12:48,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:48,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:48,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:48,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:48,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:48,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:48,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:48,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:48,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:48,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:48,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:48,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:48,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:48,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:48,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:48,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:48,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:48,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:48,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:48,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:48,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:48,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:48,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:48,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:48,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:48,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:48,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:48,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:48,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:48,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:48,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:48,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:48,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:48,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:48,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:48,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:48,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:48,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:48,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:48,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:48,722 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:48,758 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:48,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:48,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:48,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:48,765 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:48,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:48,767 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:48,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:48,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:48,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:48,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:48,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:48,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:48,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:48,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:48,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:48,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:48,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:48,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:48,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:48,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:48,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:48,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:48,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:48,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:48,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:48,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:48,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:48,782 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 -> 0d93d749d4c7ad15cc29deef6885966e95a2d557 [2019-11-26 17:12:49,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:49,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:49,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:49,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:49,405 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:49,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.04.cil-1.c [2019-11-26 17:12:49,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49fbb09c7/cc01e1e0e6a04c9f954f00865f189578/FLAG0b170985e [2019-11-26 17:12:50,644 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:50,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.04.cil-1.c [2019-11-26 17:12:50,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49fbb09c7/cc01e1e0e6a04c9f954f00865f189578/FLAG0b170985e [2019-11-26 17:12:50,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49fbb09c7/cc01e1e0e6a04c9f954f00865f189578 [2019-11-26 17:12:50,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:50,727 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:50,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:50,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:50,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:50,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:50" (1/1) ... [2019-11-26 17:12:50,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1e71bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:50, skipping insertion in model container [2019-11-26 17:12:50,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:50" (1/1) ... [2019-11-26 17:12:50,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:50,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:51,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:51,480 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:51,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:51,753 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:51,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:51 WrapperNode [2019-11-26 17:12:51,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:51,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:51,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:51,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:51,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:51" (1/1) ... [2019-11-26 17:12:51,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:51" (1/1) ... [2019-11-26 17:12:51,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:51,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:51,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:51,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:51,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:51" (1/1) ... [2019-11-26 17:12:51,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:51" (1/1) ... [2019-11-26 17:12:51,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:51" (1/1) ... [2019-11-26 17:12:51,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:51" (1/1) ... [2019-11-26 17:12:52,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:51" (1/1) ... [2019-11-26 17:12:52,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:51" (1/1) ... [2019-11-26 17:12:52,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:51" (1/1) ... [2019-11-26 17:12:52,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:52,158 INFO L168 Benchmark]: Toolchain (without parser) took 1422.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.6 MB in the end (delta: -19.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:52,159 INFO L168 Benchmark]: CDTParser took 0.39 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 17:12:52,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1023.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.0 MB in the end (delta: -30.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:52,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.31 ms. Allocated memory is still 1.0 GB. Free memory was 991.0 MB in the beginning and 985.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:52,170 INFO L168 Benchmark]: Boogie Preprocessor took 183.73 ms. Allocated memory is still 1.0 GB. Free memory was 985.3 MB in the beginning and 979.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:52,185 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1023.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.0 MB in the end (delta: -30.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 196.31 ms. Allocated memory is still 1.0 GB. Free memory was 991.0 MB in the beginning and 985.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 183.73 ms. Allocated memory is still 1.0 GB. Free memory was 985.3 MB in the beginning and 979.6 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 17:12:56,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:56,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:56,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:56,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:56,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:56,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:56,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:56,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:56,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:56,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:56,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:56,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:56,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:56,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:56,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:56,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:56,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:56,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:56,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:56,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:56,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:56,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:56,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:56,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:56,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:56,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:56,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:56,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:56,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:56,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:56,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:56,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:56,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:56,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:56,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:56,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:56,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:56,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:56,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:56,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:56,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:56,372 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:56,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:56,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:56,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:56,377 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:56,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:56,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:56,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:56,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:56,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:56,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:56,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:56,384 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:56,385 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:56,385 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:56,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:56,387 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:56,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:56,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:56,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:56,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:56,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:56,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:56,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:56,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:56,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:56,392 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:56,395 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:56,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:56,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:56,397 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 -> 0d93d749d4c7ad15cc29deef6885966e95a2d557 [2019-11-26 17:12:56,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:57,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:57,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:57,023 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:57,024 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:57,025 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.04.cil-1.c [2019-11-26 17:12:57,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19f74a657/20d58f0132df477091e92c69e9d76666/FLAG459438408 [2019-11-26 17:12:58,281 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:58,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.04.cil-1.c [2019-11-26 17:12:58,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19f74a657/20d58f0132df477091e92c69e9d76666/FLAG459438408 [2019-11-26 17:12:58,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19f74a657/20d58f0132df477091e92c69e9d76666 [2019-11-26 17:12:58,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:58,373 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:58,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:58,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:58,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:58,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:58" (1/1) ... [2019-11-26 17:12:58,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a0bf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:58, skipping insertion in model container [2019-11-26 17:12:58,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:58" (1/1) ... [2019-11-26 17:12:58,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:58,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:59,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:59,241 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:59,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:59,466 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:59,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:59 WrapperNode [2019-11-26 17:12:59,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:59,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:59,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:59,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:59,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:59" (1/1) ... [2019-11-26 17:12:59,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:59" (1/1) ... [2019-11-26 17:12:59,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:59,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:59,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:59,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:59,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:59" (1/1) ... [2019-11-26 17:12:59,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:59" (1/1) ... [2019-11-26 17:12:59,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:59" (1/1) ... [2019-11-26 17:12:59,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:59" (1/1) ... [2019-11-26 17:12:59,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:59" (1/1) ... [2019-11-26 17:12:59,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:59" (1/1) ... [2019-11-26 17:12:59,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:59" (1/1) ... [2019-11-26 17:12:59,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:59,913 INFO L168 Benchmark]: Toolchain (without parser) took 1534.39 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 974.1 MB in the end (delta: -12.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:59,916 INFO L168 Benchmark]: CDTParser took 0.37 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 17:12:59,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1093.34 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 985.6 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:59,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 225.82 ms. Allocated memory is still 1.0 GB. Free memory was 985.6 MB in the beginning and 979.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:59,929 INFO L168 Benchmark]: Boogie Preprocessor took 205.65 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. [2019-11-26 17:12:59,945 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1093.34 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 985.6 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 225.82 ms. Allocated memory is still 1.0 GB. Free memory was 985.6 MB in the beginning and 979.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 205.65 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...