./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:28:24,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:28:24,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:28:24,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:28:24,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:28:24,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:28:24,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:28:24,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:28:24,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:28:24,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:28:24,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:28:24,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:28:24,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:28:24,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:28:24,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:28:24,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:28:24,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:28:24,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:28:24,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:28:24,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:28:24,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:28:24,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:28:24,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:28:24,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:28:24,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:28:24,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:28:24,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:28:24,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:28:24,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:28:24,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:28:24,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:28:24,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:28:24,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:28:24,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:28:24,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:28:24,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:28:24,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:28:24,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:28:24,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:28:24,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:28:24,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:28:24,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-03 02:28:24,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:28:24,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:28:24,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:28:24,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:28:24,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:28:24,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:28:24,262 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:28:24,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:28:24,262 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:28:24,262 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:28:24,263 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:28:24,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:28:24,264 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:28:24,264 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:28:24,264 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:28:24,264 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:28:24,264 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:28:24,265 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:28:24,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:28:24,265 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:28:24,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:28:24,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:28:24,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:28:24,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:28:24,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:28:24,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:28:24,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:28:24,267 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 02:28:24,267 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:28:24,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:28:24,267 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:28:24,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:28:24,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:28:24,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:28:24,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:28:24,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:28:24,269 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:28:24,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:28:24,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:28:24,269 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:28:24,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:28:24,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:28:24,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:28:24,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2022-11-03 02:28:24,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:28:24,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:28:24,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:28:24,647 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:28:24,648 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:28:24,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-03 02:28:24,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI/data/42015683d/397f12eaf6a54b78994a811a1d1a2758/FLAGe220b002c [2022-11-03 02:28:25,496 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:28:25,497 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-03 02:28:25,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI/data/42015683d/397f12eaf6a54b78994a811a1d1a2758/FLAGe220b002c [2022-11-03 02:28:25,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI/data/42015683d/397f12eaf6a54b78994a811a1d1a2758 [2022-11-03 02:28:25,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:28:25,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:28:25,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:28:25,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:28:25,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:28:25,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:28:25" (1/1) ... [2022-11-03 02:28:25,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48546736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:25, skipping insertion in model container [2022-11-03 02:28:25,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:28:25" (1/1) ... [2022-11-03 02:28:25,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:28:25,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:28:26,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2022-11-03 02:28:26,554 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2022-11-03 02:28:26,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2902205a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:26, skipping insertion in model container [2022-11-03 02:28:26,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:28:26,556 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:28:26,558 INFO L158 Benchmark]: Toolchain (without parser) took 869.01ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 85.2MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:28:26,558 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 89.0MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:28:26,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 863.74ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 85.2MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:28:26,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 89.0MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 863.74ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 85.2MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. 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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c107dd-650d-4036-81b0-8756134055e3/bin/utaipan-7li7fVZpFI/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN