./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN --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 Automizer --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-6b4ec56 [2022-11-20 11:19:17,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:19:17,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:19:17,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:19:17,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:19:17,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:19:17,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:19:17,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:19:17,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:19:17,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:19:17,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:19:17,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:19:17,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:19:17,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:19:17,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:19:17,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:19:17,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:19:17,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:19:17,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:19:17,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:19:17,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:19:17,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:19:17,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:19:17,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:19:17,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:19:17,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:19:17,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:19:17,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:19:17,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:19:17,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:19:17,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:19:17,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:19:17,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:19:17,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:19:17,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:19:17,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:19:17,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:19:17,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:19:17,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:19:17,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:19:17,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:19:17,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-20 11:19:17,134 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:19:17,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:19:17,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:19:17,135 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:19:17,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:19:17,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:19:17,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:19:17,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:19:17,137 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:19:17,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:19:17,138 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:19:17,139 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:19:17,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:19:17,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:19:17,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:19:17,139 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 11:19:17,140 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 11:19:17,140 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 11:19:17,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:19:17,140 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:19:17,140 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:19:17,141 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:19:17,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:19:17,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:19:17,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:19:17,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:19:17,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:19:17,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:19:17,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:19:17,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:19:17,143 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_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2022-11-20 11:19:17,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:19:17,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:19:17,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:19:17,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:19:17,422 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:19:17,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-20 11:19:20,508 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:19:20,819 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:19:20,820 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-20 11:19:20,851 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/data/4fdae42a9/8c683899800b41fda7fbe7b1eacbfb61/FLAGa2a50769f [2022-11-20 11:19:20,864 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/data/4fdae42a9/8c683899800b41fda7fbe7b1eacbfb61 [2022-11-20 11:19:20,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:19:20,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:19:20,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:19:20,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:19:20,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:19:20,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:19:20" (1/1) ... [2022-11-20 11:19:20,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccbc3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:20, skipping insertion in model container [2022-11-20 11:19:20,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:19:20" (1/1) ... [2022-11-20 11:19:20,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:19:20,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:19:21,653 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_2d94d6dd-384a-48d9-bbb8-514660448b55/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-20 11:19:21,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:19:21,693 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) [2022-11-20 11:19:21,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e40e603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:21, skipping insertion in model container [2022-11-20 11:19:21,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:19:21,694 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 11:19:21,696 INFO L158 Benchmark]: Toolchain (without parser) took 827.22ms. Allocated memory is still 176.2MB. Free memory was 132.2MB in the beginning and 112.0MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 11:19:21,697 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:19:21,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 824.70ms. Allocated memory is still 176.2MB. Free memory was 131.5MB in the beginning and 112.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 11:19:21,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 824.70ms. Allocated memory is still 176.2MB. Free memory was 131.5MB in the beginning and 112.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN --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 Automizer --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-6b4ec56 [2022-11-20 11:19:23,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:19:23,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:19:23,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:19:23,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:19:23,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:19:23,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:19:23,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:19:23,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:19:23,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:19:23,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:19:23,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:19:23,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:19:23,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:19:23,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:19:23,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:19:23,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:19:23,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:19:23,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:19:23,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:19:23,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:19:23,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:19:23,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:19:23,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:19:23,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:19:23,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:19:23,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:19:23,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:19:23,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:19:23,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:19:23,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:19:23,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:19:23,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:19:23,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:19:23,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:19:23,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:19:23,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:19:23,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:19:23,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:19:23,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:19:23,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:19:23,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-20 11:19:24,037 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:19:24,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:19:24,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:19:24,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:19:24,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:19:24,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:19:24,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:19:24,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:19:24,042 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:19:24,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:19:24,043 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:19:24,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:19:24,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:19:24,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:19:24,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:19:24,044 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 11:19:24,044 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 11:19:24,044 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 11:19:24,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:19:24,045 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:19:24,045 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:19:24,046 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:19:24,046 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:19:24,046 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:19:24,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:19:24,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:19:24,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:19:24,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:19:24,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:19:24,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:19:24,048 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:19:24,048 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:19:24,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:19:24,048 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_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2022-11-20 11:19:24,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:19:24,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:19:24,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:19:24,473 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:19:24,474 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:19:24,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-20 11:19:27,379 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:19:27,782 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:19:27,783 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-20 11:19:27,803 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/data/014118b34/289389bc08544971bd0b8ef3d8e77d61/FLAG7ba2df0af [2022-11-20 11:19:27,819 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/data/014118b34/289389bc08544971bd0b8ef3d8e77d61 [2022-11-20 11:19:27,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:19:27,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:19:27,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:19:27,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:19:27,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:19:27,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:19:27" (1/1) ... [2022-11-20 11:19:27,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487b2c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:27, skipping insertion in model container [2022-11-20 11:19:27,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:19:27" (1/1) ... [2022-11-20 11:19:27,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:19:27,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:19:28,678 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_2d94d6dd-384a-48d9-bbb8-514660448b55/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-20 11:19:28,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:19:28,739 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:19:28,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:19:28,800 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_2d94d6dd-384a-48d9-bbb8-514660448b55/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-20 11:19:28,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:19:28,822 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:19:28,873 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_2d94d6dd-384a-48d9-bbb8-514660448b55/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-20 11:19:28,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:19:29,047 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:19:29,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29 WrapperNode [2022-11-20 11:19:29,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:19:29,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:19:29,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:19:29,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:19:29,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29" (1/1) ... [2022-11-20 11:19:29,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29" (1/1) ... [2022-11-20 11:19:29,159 INFO L138 Inliner]: procedures = 431, calls = 126, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 464 [2022-11-20 11:19:29,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:19:29,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:19:29,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:19:29,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:19:29,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29" (1/1) ... [2022-11-20 11:19:29,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29" (1/1) ... [2022-11-20 11:19:29,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29" (1/1) ... [2022-11-20 11:19:29,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29" (1/1) ... [2022-11-20 11:19:29,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29" (1/1) ... [2022-11-20 11:19:29,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29" (1/1) ... [2022-11-20 11:19:29,221 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29" (1/1) ... [2022-11-20 11:19:29,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29" (1/1) ... [2022-11-20 11:19:29,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:19:29,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:19:29,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:19:29,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:19:29,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29" (1/1) ... [2022-11-20 11:19:29,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:19:29,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:19:29,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:19:29,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d94d6dd-384a-48d9-bbb8-514660448b55/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:19:29,372 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2022-11-20 11:19:29,373 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2022-11-20 11:19:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:19:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:19:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 11:19:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:19:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2022-11-20 11:19:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:19:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:19:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:19:29,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:19:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:19:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:19:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:19:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2022-11-20 11:19:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2022-11-20 11:19:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:19:29,380 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 11:19:29,651 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:19:29,653 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:19:31,517 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:19:31,527 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:19:31,527 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-20 11:19:31,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:19:31 BoogieIcfgContainer [2022-11-20 11:19:31,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:19:31,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:19:31,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:19:31,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:19:31,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:19:27" (1/3) ... [2022-11-20 11:19:31,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30268224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:19:31, skipping insertion in model container [2022-11-20 11:19:31,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29" (2/3) ... [2022-11-20 11:19:31,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30268224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:19:31, skipping insertion in model container [2022-11-20 11:19:31,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:19:31" (3/3) ... [2022-11-20 11:19:31,538 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2022-11-20 11:19:31,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:19:31,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 164 error locations. [2022-11-20 11:19:31,557 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 11:19:31,765 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-20 11:19:31,805 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 11:19:31,819 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 607 places, 651 transitions, 1324 flow [2022-11-20 11:19:31,822 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 607 places, 651 transitions, 1324 flow [2022-11-20 11:19:31,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 607 places, 651 transitions, 1324 flow [2022-11-20 11:19:32,449 INFO L130 PetriNetUnfolder]: 109/1455 cut-off events. [2022-11-20 11:19:32,450 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-20 11:19:32,490 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 10310 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. [2022-11-20 11:19:32,608 INFO L119 LiptonReduction]: Number of co-enabled transitions 197082 [2022-11-20 11:20:48,164 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 109 DAG size of output: 106 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 11:21:14,691 WARN L233 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 120 DAG size of output: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 11:21:22,889 WARN L233 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 120 DAG size of output: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 11:22:06,412 WARN L233 SmtUtils]: Spent 41.50s 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) [2022-11-20 11:22:23,069 WARN L233 SmtUtils]: Spent 16.66s 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) [2022-11-20 11:23:04,195 WARN L233 SmtUtils]: Spent 41.12s 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) [2022-11-20 11:23:21,519 WARN L233 SmtUtils]: Spent 17.32s 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) [2022-11-20 11:24:12,227 WARN L233 SmtUtils]: Spent 39.85s 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) [2022-11-20 11:24:29,429 WARN L233 SmtUtils]: Spent 17.20s 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) [2022-11-20 11:25:12,556 WARN L233 SmtUtils]: Spent 43.13s 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) [2022-11-20 11:25:30,944 WARN L233 SmtUtils]: Spent 18.39s 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) [2022-11-20 11:25:37,379 WARN L233 SmtUtils]: Spent 6.41s on a formula simplification. DAG size of input: 116 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 11:25:46,228 WARN L233 SmtUtils]: Spent 6.81s on a formula simplification. DAG size of input: 116 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 11:26:34,442 WARN L233 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 110 DAG size of output: 109 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 11:26:42,812 WARN L233 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 110 DAG size of output: 109 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 11:27:42,820 WARN L233 SmtUtils]: Spent 20.18s 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) [2022-11-20 11:28:02,335 WARN L233 SmtUtils]: Spent 19.51s 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) [2022-11-20 11:28:23,711 WARN L233 SmtUtils]: Spent 21.37s 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) [2022-11-20 11:28:43,787 WARN L233 SmtUtils]: Spent 20.08s 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) [2022-11-20 11:31:01,170 WARN L233 SmtUtils]: Spent 2.23m on a formula simplification. DAG size of input: 177 DAG size of output: 176 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 11:32:02,953 WARN L233 SmtUtils]: Spent 1.03m on a formula simplification that was a NOOP. DAG size: 172 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 11:34:13,567 WARN L233 SmtUtils]: Spent 2.18m on a formula simplification. DAG size of input: 177 DAG size of output: 176 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)