./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/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_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/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_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:52:34,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:52:34,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:52:34,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:52:34,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:52:34,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:52:34,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:52:34,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:52:34,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:52:34,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:52:34,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:52:34,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:52:34,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:52:34,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:52:34,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:52:34,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:52:34,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:52:34,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:52:34,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:52:34,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:52:34,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:52:34,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:52:34,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:52:34,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:52:34,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:52:34,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:52:34,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:52:34,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:52:34,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:52:34,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:52:34,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:52:34,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:52:34,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:52:34,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:52:34,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:52:34,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:52:34,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:52:34,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:52:34,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:52:34,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:52:34,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:52:34,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:52:34,736 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:52:34,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:52:34,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:52:34,738 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:52:34,738 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:52:34,739 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:52:34,739 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:52:34,739 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:52:34,740 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:52:34,740 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:52:34,741 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:52:34,741 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:52:34,742 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:52:34,742 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:52:34,742 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:52:34,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:52:34,744 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:52:34,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:52:34,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:52:34,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:52:34,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:52:34,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:52:34,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:52:34,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:52:34,746 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:52:34,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:52:34,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:52:34,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:52:34,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:52:34,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:52:34,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:52:34,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:52:34,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:52:34,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:52:34,749 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:52:34,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:52:34,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:52:34,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:52:34,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:52:34,750 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2021-10-24 10:52:35,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:52:35,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:52:35,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:52:35,072 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:52:35,073 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:52:35,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2021-10-24 10:52:35,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/data/a747e146e/40147923da2244d29c979e1a1f9d3459/FLAG2fb892dd8 [2021-10-24 10:52:35,950 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:52:35,951 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2021-10-24 10:52:35,992 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/data/a747e146e/40147923da2244d29c979e1a1f9d3459/FLAG2fb892dd8 [2021-10-24 10:52:36,165 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/data/a747e146e/40147923da2244d29c979e1a1f9d3459 [2021-10-24 10:52:36,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:52:36,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:52:36,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:52:36,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:52:36,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:52:36,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:52:36" (1/1) ... [2021-10-24 10:52:36,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71af65b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:36, skipping insertion in model container [2021-10-24 10:52:36,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:52:36" (1/1) ... [2021-10-24 10:52:36,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:52:36,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:52:36,611 WARN L228 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_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2021-10-24 10:52:37,338 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2021-10-24 10:52:37,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@308b763f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:37, skipping insertion in model container [2021-10-24 10:52:37,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:52:37,340 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:52:37,343 INFO L168 Benchmark]: Toolchain (without parser) took 1171.85 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 59.1 MB in the beginning and 82.3 MB in the end (delta: -23.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:52:37,345 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory is still 47.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:52:37,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1167.90 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 59.1 MB in the beginning and 82.3 MB in the end (delta: -23.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:52:37,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory is still 47.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1167.90 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 59.1 MB in the beginning and 82.3 MB in the end (delta: -23.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:52:39,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:52:39,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:52:39,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:52:39,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:52:39,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:52:39,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:52:39,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:52:39,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:52:39,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:52:39,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:52:39,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:52:39,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:52:39,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:52:39,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:52:39,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:52:39,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:52:39,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:52:39,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:52:39,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:52:39,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:52:39,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:52:39,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:52:39,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:52:39,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:52:39,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:52:39,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:52:39,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:52:40,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:52:40,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:52:40,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:52:40,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:52:40,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:52:40,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:52:40,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:52:40,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:52:40,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:52:40,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:52:40,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:52:40,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:52:40,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:52:40,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:52:40,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:52:40,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:52:40,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:52:40,087 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:52:40,087 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:52:40,087 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:52:40,088 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:52:40,088 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:52:40,088 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:52:40,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:52:40,092 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:52:40,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:52:40,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:52:40,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:52:40,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:52:40,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:52:40,094 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:52:40,094 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:52:40,094 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:52:40,095 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:52:40,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:52:40,095 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:52:40,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:52:40,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:52:40,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:52:40,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:52:40,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:52:40,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:52:40,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:52:40,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:52:40,098 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:52:40,098 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:52:40,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:52:40,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:52:40,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:52:40,100 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2021-10-24 10:52:40,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:52:40,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:52:40,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:52:40,600 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:52:40,601 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:52:40,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2021-10-24 10:52:40,716 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/data/40ceecf9a/d1a0a6028d0542c184424f04050e9b87/FLAG092751aa9 [2021-10-24 10:52:41,460 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:52:41,461 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2021-10-24 10:52:41,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/data/40ceecf9a/d1a0a6028d0542c184424f04050e9b87/FLAG092751aa9 [2021-10-24 10:52:41,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/bin/utaipan-9zjyvhn0QE/data/40ceecf9a/d1a0a6028d0542c184424f04050e9b87 [2021-10-24 10:52:41,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:52:41,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:52:41,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:52:41,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:52:41,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:52:41,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:52:41" (1/1) ... [2021-10-24 10:52:41,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7fa1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:41, skipping insertion in model container [2021-10-24 10:52:41,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:52:41" (1/1) ... [2021-10-24 10:52:41,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:52:41,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:52:41,995 WARN L228 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_a636a06a-cfe8-4600-96d0-3b1ffb9850a2/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2021-10-24 10:52:42,504 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2021-10-24 10:52:42,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54bdc1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:52:42, skipping insertion in model container [2021-10-24 10:52:42,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:52:42,506 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:52:42,509 INFO L168 Benchmark]: Toolchain (without parser) took 803.22 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 24.5 MB in the beginning and 47.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:52:42,510 INFO L168 Benchmark]: CDTParser took 7.31 ms. Allocated memory is still 50.3 MB. Free memory was 31.8 MB in the beginning and 31.8 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:52:42,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 800.20 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 24.3 MB in the beginning and 47.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:52:42,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 7.31 ms. Allocated memory is still 50.3 MB. Free memory was 31.8 MB in the beginning and 31.8 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 800.20 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 24.3 MB in the beginning and 47.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * 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...