./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 13:44:29,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:44:29,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:44:29,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:44:29,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:44:29,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:44:29,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:44:29,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:44:29,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:44:29,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:44:29,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:44:29,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:44:29,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:44:29,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:44:29,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:44:29,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:44:29,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:44:29,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:44:29,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:44:29,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:44:29,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:44:29,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:44:29,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:44:29,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:44:29,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:44:29,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:44:29,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:44:29,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:44:29,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:44:29,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:44:29,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:44:29,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:44:29,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:44:29,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:44:29,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:44:29,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:44:29,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:44:29,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:44:29,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:44:29,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:44:29,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:44:29,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:44:29,845 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:44:29,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:44:29,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:44:29,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:44:29,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:44:29,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:44:29,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:44:29,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:44:29,847 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:44:29,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:44:29,848 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:44:29,848 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:44:29,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:44:29,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:44:29,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:44:29,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:44:29,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:44:29,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:44:29,849 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:44:29,849 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:44:29,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:44:29,849 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:44:29,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:44:29,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:44:29,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:44:29,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:44:29,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:44:29,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:44:29,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:44:29,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:44:29,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:44:29,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:44:29,851 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:44:29,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:44:29,851 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:44:29,851 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:44:29,852 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:44:29,852 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:44:30,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:44:30,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:44:30,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:44:30,075 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:44:30,076 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:44:30,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2023-08-30 13:44:31,007 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:44:31,218 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:44:31,218 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2023-08-30 13:44:31,236 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/666d901a1/a86c3ba4a6294f599618f9d5934884b3/FLAG2dd8b60a6 [2023-08-30 13:44:31,254 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/666d901a1/a86c3ba4a6294f599618f9d5934884b3 [2023-08-30 13:44:31,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:44:31,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:44:31,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:44:31,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:44:31,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:44:31,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:44:31" (1/1) ... [2023-08-30 13:44:31,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ac8a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:44:31, skipping insertion in model container [2023-08-30 13:44:31,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:44:31" (1/1) ... [2023-08-30 13:44:31,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:44:31,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:44:31,422 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2023-08-30 13:44:31,654 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2023-08-30 13:44:31,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f848f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:44:31, skipping insertion in model container [2023-08-30 13:44:31,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:44:31,655 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-08-30 13:44:31,656 INFO L158 Benchmark]: Toolchain (without parser) took 393.83ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.7MB in the beginning and 69.2MB in the end (delta: -19.5MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-08-30 13:44:31,656 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 13:44:31,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.03ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.5MB in the beginning and 69.2MB in the end (delta: -19.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-08-30 13:44:31,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.03ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.5MB in the beginning and 69.2MB in the end (delta: -19.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1369]: Unsupported Syntax Unsupported function: pthread_attr_init RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 13:44:32,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:44:32,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:44:33,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:44:33,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:44:33,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:44:33,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:44:33,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:44:33,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:44:33,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:44:33,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:44:33,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:44:33,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:44:33,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:44:33,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:44:33,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:44:33,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:44:33,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:44:33,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:44:33,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:44:33,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:44:33,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:44:33,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:44:33,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:44:33,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:44:33,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:44:33,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:44:33,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:44:33,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:44:33,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:44:33,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:44:33,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:44:33,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:44:33,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:44:33,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:44:33,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:44:33,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:44:33,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:44:33,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:44:33,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:44:33,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:44:33,054 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 13:44:33,078 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:44:33,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:44:33,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:44:33,080 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:44:33,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:44:33,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:44:33,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:44:33,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:44:33,081 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:44:33,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:44:33,082 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:44:33,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:44:33,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:44:33,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:44:33,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:44:33,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:44:33,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:44:33,083 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 13:44:33,083 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 13:44:33,083 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:44:33,083 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 13:44:33,083 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:44:33,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:44:33,083 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:44:33,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:44:33,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:44:33,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:44:33,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:44:33,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:44:33,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:44:33,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:44:33,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:44:33,085 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 13:44:33,085 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 13:44:33,085 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:44:33,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:44:33,085 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:44:33,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:44:33,086 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 13:44:33,086 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:44:33,086 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:44:33,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:44:33,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:44:33,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:44:33,314 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:44:33,315 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:44:33,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2023-08-30 13:44:34,331 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:44:34,581 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:44:34,582 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2023-08-30 13:44:34,599 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aa63674f/6b92e102cddb4b8f9b3ebe9c14b16788/FLAG1dd597067 [2023-08-30 13:44:34,607 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aa63674f/6b92e102cddb4b8f9b3ebe9c14b16788 [2023-08-30 13:44:34,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:44:34,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:44:34,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:44:34,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:44:34,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:44:34,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:44:34" (1/1) ... [2023-08-30 13:44:34,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381b59fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:44:34, skipping insertion in model container [2023-08-30 13:44:34,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:44:34" (1/1) ... [2023-08-30 13:44:34,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:44:34,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:44:34,774 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2023-08-30 13:44:35,028 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2023-08-30 13:44:35,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ed49cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:44:35, skipping insertion in model container [2023-08-30 13:44:35,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:44:35,029 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-08-30 13:44:35,030 INFO L158 Benchmark]: Toolchain (without parser) took 414.35ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 39.6MB in the end (delta: 896.7kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 13:44:35,031 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 28.3MB in the beginning and 28.3MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 13:44:35,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.83ms. Allocated memory is still 65.0MB. Free memory was 40.3MB in the beginning and 39.8MB in the end (delta: 484.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 13:44:35,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 28.3MB in the beginning and 28.3MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.83ms. Allocated memory is still 65.0MB. Free memory was 40.3MB in the beginning and 39.8MB in the end (delta: 484.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1369]: Unsupported Syntax Unsupported function: pthread_attr_init RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN