./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 DEFORE --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 DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:26:54,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:26:54,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:26:54,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:26:54,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:26:54,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:26:54,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:26:54,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:26:54,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:26:54,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:26:54,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:26:54,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:26:54,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:26:54,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:26:54,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:26:54,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:26:54,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:26:54,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:26:54,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:26:54,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:26:54,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:26:54,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:26:54,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:26:54,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:26:54,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:26:54,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:26:54,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:26:54,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:26:54,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:26:54,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:26:54,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:26:54,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:26:54,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:26:54,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:26:54,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:26:54,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:26:54,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:26:54,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:26:54,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:26:54,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:26:54,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:26:54,235 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:26:54,270 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:26:54,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:26:54,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:26:54,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:26:54,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:26:54,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:26:54,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:26:54,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:26:54,274 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:26:54,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:26:54,275 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:26:54,275 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:26:54,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:26:54,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:26:54,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:26:54,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:26:54,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:26:54,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:26:54,276 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:26:54,276 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:26:54,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:26:54,276 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:26:54,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:26:54,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:26:54,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:26:54,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:26:54,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:26:54,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:26:54,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:26:54,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:26:54,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:26:54,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:26:54,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:26:54,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:26:54,278 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:26:54,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:26:54,278 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:26:54,278 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:26:54,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:26:54,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:26:54,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:26:54,603 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:26:54,603 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:26:54,604 INFO L432 ainManager$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 12:26:55,741 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:26:56,071 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:26:56,072 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2023-08-30 12:26:56,091 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf1553c1/ec0e494170d14679903827a2ce602cca/FLAG0f4ea3d3e [2023-08-30 12:26:56,112 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf1553c1/ec0e494170d14679903827a2ce602cca [2023-08-30 12:26:56,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:26:56,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:26:56,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:26:56,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:26:56,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:26:56,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:26:56" (1/1) ... [2023-08-30 12:26:56,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e7abdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:56, skipping insertion in model container [2023-08-30 12:26:56,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:26:56" (1/1) ... [2023-08-30 12:26:56,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:26:56,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:26:56,356 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 12:26:56,784 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2023-08-30 12:26:56,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a0e8679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:56, skipping insertion in model container [2023-08-30 12:26:56,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:26:56,785 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-08-30 12:26:56,787 INFO L158 Benchmark]: Toolchain (without parser) took 669.82ms. Allocated memory is still 69.2MB. Free memory was 44.1MB in the beginning and 46.6MB in the end (delta: -2.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-08-30 12:26:56,787 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:26:56,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.29ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 46.6MB in the end (delta: -2.7MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-08-30 12:26:56,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.29ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 46.6MB in the end (delta: -2.7MB). Peak memory consumption was 19.5MB. 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 DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:26:58,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:26:58,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:26:58,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:26:58,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:26:58,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:26:58,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:26:58,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:26:58,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:26:58,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:26:58,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:26:58,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:26:58,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:26:58,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:26:58,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:26:58,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:26:58,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:26:58,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:26:58,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:26:58,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:26:58,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:26:58,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:26:58,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:26:58,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:26:58,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:26:58,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:26:58,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:26:58,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:26:58,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:26:58,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:26:58,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:26:58,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:26:58,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:26:58,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:26:58,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:26:58,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:26:58,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:26:58,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:26:58,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:26:58,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:26:58,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:26:58,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:26:58,583 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:26:58,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:26:58,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:26:58,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:26:58,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:26:58,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:26:58,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:26:58,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:26:58,586 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:26:58,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:26:58,587 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:26:58,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:26:58,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:26:58,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:26:58,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:26:58,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:26:58,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:26:58,589 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:26:58,589 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:26:58,589 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:26:58,589 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:26:58,590 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:26:58,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:26:58,590 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:26:58,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:26:58,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:26:58,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:26:58,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:26:58,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:26:58,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:26:58,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:26:58,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:26:58,592 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:26:58,592 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:26:58,592 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:26:58,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:26:58,593 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:26:58,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:26:58,593 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:26:58,593 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:26:58,593 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:26:58,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:26:58,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:26:58,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:26:58,936 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:26:58,937 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:26:58,938 INFO L432 ainManager$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 12:27:00,042 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:27:00,307 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:27:00,308 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2023-08-30 12:27:00,322 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a1dd701e/831ed7587f024db8b4fb792572e664c4/FLAGa47c973dd [2023-08-30 12:27:00,337 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a1dd701e/831ed7587f024db8b4fb792572e664c4 [2023-08-30 12:27:00,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:27:00,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:27:00,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:27:00,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:27:00,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:27:00,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:27:00" (1/1) ... [2023-08-30 12:27:00,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33768e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:00, skipping insertion in model container [2023-08-30 12:27:00,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:27:00" (1/1) ... [2023-08-30 12:27:00,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:27:00,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:27:00,554 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 12:27:00,908 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2023-08-30 12:27:00,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@652bf543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:27:00, skipping insertion in model container [2023-08-30 12:27:00,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:27:00,909 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-08-30 12:27:00,911 INFO L158 Benchmark]: Toolchain (without parser) took 563.20ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 34.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 12:27:00,912 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:27:00,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 561.34ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 35.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:27:00,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 561.34ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 35.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. 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