./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/17_szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/pthread-ext/17_szymanski.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 163d317c9aa89a15ed49ae50938a3120a9d146c8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/pthread-ext/17_szymanski.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 163d317c9aa89a15ed49ae50938a3120a9d146c8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:08:15,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:15,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:15,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:15,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:15,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:15,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:15,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:15,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:15,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:15,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:15,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:15,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:15,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:15,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:15,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:15,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:15,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:15,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:15,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:15,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:15,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:15,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:15,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:15,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:15,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:15,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:15,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:15,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:15,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:15,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:15,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:15,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:15,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:15,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:15,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:15,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:15,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:15,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:15,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:15,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:15,988 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:08:16,025 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:16,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:16,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:16,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:16,033 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:16,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:16,036 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:16,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:08:16,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:16,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:16,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:16,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:16,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:16,041 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:16,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:16,042 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:16,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:16,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:16,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:16,045 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:16,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:16,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:16,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:16,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:16,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:16,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:08:16,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:08:16,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:16,050 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 -> 163d317c9aa89a15ed49ae50938a3120a9d146c8 [2019-11-27 10:08:16,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:16,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:16,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:16,615 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:16,618 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:16,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/17_szymanski.i [2019-11-27 10:08:16,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb7fe0d3/61f98169018c49fab7cfbe01ee50afd1/FLAG7b8d29c50 [2019-11-27 10:08:18,016 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:18,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/17_szymanski.i [2019-11-27 10:08:18,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb7fe0d3/61f98169018c49fab7cfbe01ee50afd1/FLAG7b8d29c50 [2019-11-27 10:08:18,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb7fe0d3/61f98169018c49fab7cfbe01ee50afd1 [2019-11-27 10:08:18,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:18,106 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:18,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:18,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:18,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:18,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:18" (1/1) ... [2019-11-27 10:08:18,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:18, skipping insertion in model container [2019-11-27 10:08:18,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:18" (1/1) ... [2019-11-27 10:08:18,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:18,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:19,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:19,240 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:19,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:19,544 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:19,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:19 WrapperNode [2019-11-27 10:08:19,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:19,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:19,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:19,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:19,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:19" (1/1) ... [2019-11-27 10:08:19,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:19" (1/1) ... [2019-11-27 10:08:19,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:19,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:19,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:19,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:19,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:19" (1/1) ... [2019-11-27 10:08:19,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:19" (1/1) ... [2019-11-27 10:08:19,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:19" (1/1) ... [2019-11-27 10:08:19,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:19" (1/1) ... [2019-11-27 10:08:19,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:19" (1/1) ... [2019-11-27 10:08:19,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:19" (1/1) ... [2019-11-27 10:08:19,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:19" (1/1) ... [2019-11-27 10:08:19,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:19,788 INFO L168 Benchmark]: Toolchain (without parser) took 1681.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.7 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:19,792 INFO L168 Benchmark]: CDTParser took 1.38 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 10:08:19,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1436.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.7 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:19,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.96 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:19,801 INFO L168 Benchmark]: Boogie Preprocessor took 104.89 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:19,807 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38 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 1436.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.7 MB in the end (delta: -6.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 127.96 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 104.89 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. 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-da95e15 [2019-11-27 10:08:23,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:23,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:23,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:23,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:23,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:23,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:23,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:23,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:23,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:23,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:23,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:23,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:23,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:23,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:23,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:23,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:23,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:23,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:23,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:23,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:23,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:23,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:23,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:23,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:23,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:23,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:23,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:23,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:23,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:23,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:23,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:23,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:23,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:23,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:23,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:23,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:23,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:23,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:23,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:23,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:23,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:23,863 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:23,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:23,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:23,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:23,872 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:23,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:23,872 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:23,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:23,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:23,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:23,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:23,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:23,875 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:23,876 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:23,876 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:23,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:23,877 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:23,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:23,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:23,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:23,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:23,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:23,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:23,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:23,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:23,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:23,884 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:23,885 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:23,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:23,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:23,887 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 -> 163d317c9aa89a15ed49ae50938a3120a9d146c8 [2019-11-27 10:08:24,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:24,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:24,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:24,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:24,525 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:24,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/17_szymanski.i [2019-11-27 10:08:24,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/655056835/5797fbda34e04ede827884aa4739bf21/FLAGb859e2956 [2019-11-27 10:08:25,929 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:25,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/17_szymanski.i [2019-11-27 10:08:25,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/655056835/5797fbda34e04ede827884aa4739bf21/FLAGb859e2956 [2019-11-27 10:08:26,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/655056835/5797fbda34e04ede827884aa4739bf21 [2019-11-27 10:08:26,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:26,026 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:26,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:26,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:26,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:26,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:26,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5394ad8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26, skipping insertion in model container [2019-11-27 10:08:26,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:26,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:26,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:27,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:27,212 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:27,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:27,549 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:27,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27 WrapperNode [2019-11-27 10:08:27,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:27,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:27,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:27,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:27,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:27,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:27,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:27,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:27,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:27,829 INFO L168 Benchmark]: Toolchain (without parser) took 1797.09 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 966.7 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:27,832 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. [2019-11-27 10:08:27,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1526.42 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 972.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:27,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.89 ms. Allocated memory is still 1.0 GB. Free memory is still 972.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:27,840 INFO L168 Benchmark]: Boogie Preprocessor took 113.21 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:27,849 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 1526.42 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 972.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 150.89 ms. Allocated memory is still 1.0 GB. Free memory is still 972.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 113.21 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 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...