./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- 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-2329fc7 [2022-12-14 07:12:45,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:12:45,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:12:45,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:12:45,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:12:45,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:12:45,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:12:45,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:12:45,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:12:45,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:12:45,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:12:45,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:12:45,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:12:45,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:12:45,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:12:45,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:12:45,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:12:45,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:12:45,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:12:45,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:12:45,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:12:45,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:12:45,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:12:45,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:12:45,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:12:45,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:12:45,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:12:45,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:12:45,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:12:45,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:12:45,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:12:45,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:12:45,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:12:45,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:12:45,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:12:45,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:12:45,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:12:45,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:12:45,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:12:45,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:12:45,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:12:45,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 07:12:45,172 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:12:45,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:12:45,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:12:45,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:12:45,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:12:45,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:12:45,173 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:12:45,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:12:45,173 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:12:45,173 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:12:45,173 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:12:45,173 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:12:45,173 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:12:45,173 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:12:45,174 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:12:45,174 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:12:45,174 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:12:45,174 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:12:45,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 07:12:45,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 07:12:45,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:12:45,175 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:12:45,175 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:12:45,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:12:45,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:12:45,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:12:45,175 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 07:12:45,175 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 07:12:45,175 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 07:12:45,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:12:45,175 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 07:12:45,176 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:12:45,176 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:12:45,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:12:45,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:12:45,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:12:45,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:12:45,176 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:12:45,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:12:45,176 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:12:45,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:12:45,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:12:45,177 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_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2022-12-14 07:12:45,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:12:45,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:12:45,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:12:45,370 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:12:45,371 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:12:45,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-12-14 07:12:48,029 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:12:48,238 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:12:48,238 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-12-14 07:12:48,251 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/data/9a3226c1e/464de51c61154b8a88ce99405697923a/FLAG316c5db61 [2022-12-14 07:12:48,262 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/data/9a3226c1e/464de51c61154b8a88ce99405697923a [2022-12-14 07:12:48,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:12:48,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:12:48,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:12:48,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:12:48,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:12:48,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:12:48" (1/1) ... [2022-12-14 07:12:48,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fe7fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:48, skipping insertion in model container [2022-12-14 07:12:48,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:12:48" (1/1) ... [2022-12-14 07:12:48,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:12:48,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:12:48,780 WARN L237 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_73160705-febb-4f5d-9e74-5fd5f357c924/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-12-14 07:12:48,791 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 07:12:48,794 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 07:12:48,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:12:48,810 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-12-14 07:12:48,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5644c12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:48, skipping insertion in model container [2022-12-14 07:12:48,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:12:48,811 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 07:12:48,812 INFO L158 Benchmark]: Toolchain (without parser) took 546.59ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 76.1MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 07:12:48,812 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 132.1MB. Free memory was 106.8MB in the beginning and 106.8MB in the end (delta: 61.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:12:48,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.10ms. Allocated memory is still 132.1MB. Free memory was 95.8MB in the beginning and 76.1MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 07:12:48,813 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 132.1MB. Free memory was 106.8MB in the beginning and 106.8MB in the end (delta: 61.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.10ms. Allocated memory is still 132.1MB. Free memory was 95.8MB in the beginning and 76.1MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1514]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- 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-2329fc7 [2022-12-14 07:12:50,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:12:50,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:12:50,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:12:50,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:12:50,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:12:50,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:12:50,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:12:50,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:12:50,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:12:50,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:12:50,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:12:50,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:12:50,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:12:50,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:12:50,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:12:50,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:12:50,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:12:50,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:12:50,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:12:50,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:12:50,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:12:50,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:12:50,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:12:50,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:12:50,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:12:50,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:12:50,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:12:50,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:12:50,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:12:50,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:12:50,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:12:50,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:12:50,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:12:50,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:12:50,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:12:50,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:12:50,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:12:50,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:12:50,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:12:50,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:12:50,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-12-14 07:12:50,270 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:12:50,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:12:50,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:12:50,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:12:50,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:12:50,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:12:50,272 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:12:50,272 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:12:50,272 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:12:50,272 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:12:50,272 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:12:50,272 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:12:50,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 07:12:50,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 07:12:50,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:12:50,273 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:12:50,273 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:12:50,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:12:50,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:12:50,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:12:50,274 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 07:12:50,274 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 07:12:50,274 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 07:12:50,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:12:50,274 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 07:12:50,275 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 07:12:50,275 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 07:12:50,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:12:50,275 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:12:50,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:12:50,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 07:12:50,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:12:50,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:12:50,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:12:50,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:12:50,276 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 07:12:50,276 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 07:12:50,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:12:50,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 07:12:50,277 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_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2022-12-14 07:12:50,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:12:50,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:12:50,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:12:50,511 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:12:50,511 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:12:50,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-12-14 07:12:53,098 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:12:53,350 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:12:53,351 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-12-14 07:12:53,364 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/data/95af25abf/8558c1d2eb234b7fa99e5aacb6c16e6b/FLAG4eb1c583b [2022-12-14 07:12:53,375 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/data/95af25abf/8558c1d2eb234b7fa99e5aacb6c16e6b [2022-12-14 07:12:53,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:12:53,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:12:53,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:12:53,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:12:53,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:12:53,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:12:53" (1/1) ... [2022-12-14 07:12:53,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@871759e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:53, skipping insertion in model container [2022-12-14 07:12:53,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:12:53" (1/1) ... [2022-12-14 07:12:53,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:12:53,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:12:53,892 WARN L237 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_73160705-febb-4f5d-9e74-5fd5f357c924/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-12-14 07:12:53,902 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 07:12:53,905 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 07:12:53,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:12:53,935 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 07:12:53,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:12:53,997 WARN L237 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_73160705-febb-4f5d-9e74-5fd5f357c924/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-12-14 07:12:54,004 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 07:12:54,007 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 07:12:54,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:12:54,018 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:12:54,067 WARN L237 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_73160705-febb-4f5d-9e74-5fd5f357c924/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-12-14 07:12:54,073 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 07:12:54,076 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 07:12:54,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:12:54,188 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:12:54,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54 WrapperNode [2022-12-14 07:12:54,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:12:54,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:12:54,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:12:54,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:12:54,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54" (1/1) ... [2022-12-14 07:12:54,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54" (1/1) ... [2022-12-14 07:12:54,237 INFO L138 Inliner]: procedures = 431, calls = 126, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 464 [2022-12-14 07:12:54,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:12:54,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:12:54,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:12:54,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:12:54,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54" (1/1) ... [2022-12-14 07:12:54,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54" (1/1) ... [2022-12-14 07:12:54,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54" (1/1) ... [2022-12-14 07:12:54,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54" (1/1) ... [2022-12-14 07:12:54,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54" (1/1) ... [2022-12-14 07:12:54,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54" (1/1) ... [2022-12-14 07:12:54,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54" (1/1) ... [2022-12-14 07:12:54,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54" (1/1) ... [2022-12-14 07:12:54,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:12:54,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:12:54,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:12:54,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:12:54,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54" (1/1) ... [2022-12-14 07:12:54,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:12:54,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:12:54,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:12:54,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73160705-febb-4f5d-9e74-5fd5f357c924/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:12:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2022-12-14 07:12:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2022-12-14 07:12:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:12:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 07:12:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 07:12:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:12:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2022-12-14 07:12:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:12:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:12:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:12:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:12:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 07:12:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:12:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:12:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2022-12-14 07:12:54,348 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2022-12-14 07:12:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 07:12:54,350 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 07:12:54,506 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:12:54,507 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:12:55,909 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:12:55,919 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:12:55,919 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-12-14 07:12:55,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:12:55 BoogieIcfgContainer [2022-12-14 07:12:55,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:12:55,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:12:55,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:12:55,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:12:55,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:12:53" (1/3) ... [2022-12-14 07:12:55,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c7eb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:12:55, skipping insertion in model container [2022-12-14 07:12:55,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:54" (2/3) ... [2022-12-14 07:12:55,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c7eb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:12:55, skipping insertion in model container [2022-12-14 07:12:55,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:12:55" (3/3) ... [2022-12-14 07:12:55,930 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2022-12-14 07:12:55,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:12:55,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 164 error locations. [2022-12-14 07:12:55,948 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 07:12:56,120 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-14 07:12:56,159 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 07:12:56,172 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 607 places, 651 transitions, 1324 flow [2022-12-14 07:12:56,174 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 607 places, 651 transitions, 1324 flow [2022-12-14 07:12:56,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 607 places, 651 transitions, 1324 flow [2022-12-14 07:12:56,549 INFO L130 PetriNetUnfolder]: 109/1455 cut-off events. [2022-12-14 07:12:56,549 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-14 07:12:56,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1475 conditions, 1455 events. 109/1455 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10299 event pairs, 0 based on Foata normal form. 0/962 useless extension candidates. Maximal degree in co-relation 760. Up to 16 conditions per place. [2022-12-14 07:12:56,670 INFO L119 LiptonReduction]: Number of co-enabled transitions 197082 [2022-12-14 07:14:58,837 WARN L233 SmtUtils]: Spent 31.43s on a formula simplification. DAG size of input: 151 DAG size of output: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:15:11,532 WARN L233 SmtUtils]: Spent 12.69s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:15:45,909 WARN L233 SmtUtils]: Spent 34.38s on a formula simplification. DAG size of input: 151 DAG size of output: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:15:59,665 WARN L233 SmtUtils]: Spent 13.75s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:16:59,930 WARN L233 SmtUtils]: Spent 35.61s on a formula simplification. DAG size of input: 146 DAG size of output: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:17:14,620 WARN L233 SmtUtils]: Spent 14.69s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:17:47,021 WARN L233 SmtUtils]: Spent 32.40s on a formula simplification. DAG size of input: 146 DAG size of output: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:18:01,232 WARN L233 SmtUtils]: Spent 14.21s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:19:25,338 WARN L233 SmtUtils]: Spent 22.38s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:19:43,019 WARN L233 SmtUtils]: Spent 17.68s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:20:00,791 WARN L233 SmtUtils]: Spent 17.77s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:20:17,935 WARN L233 SmtUtils]: Spent 17.14s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:20:52,294 WARN L233 SmtUtils]: Spent 6.97s on a formula simplification. DAG size of input: 124 DAG size of output: 121 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:21:02,010 WARN L233 SmtUtils]: Spent 7.07s on a formula simplification. DAG size of input: 124 DAG size of output: 121 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:21:42,859 WARN L233 SmtUtils]: Spent 37.95s on a formula simplification. DAG size of input: 159 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:21:58,015 WARN L233 SmtUtils]: Spent 15.16s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:23:04,523 WARN L233 SmtUtils]: Spent 1.11m on a formula simplification. DAG size of input: 159 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:23:20,192 WARN L233 SmtUtils]: Spent 15.67s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:25:54,883 WARN L233 SmtUtils]: Spent 2.58m on a formula simplification. DAG size of input: 189 DAG size of output: 187 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 07:27:05,930 WARN L233 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 183 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)