./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 b5237d83 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_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 14:03:14,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 14:03:14,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 14:03:14,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 14:03:14,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 14:03:14,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 14:03:14,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 14:03:14,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 14:03:14,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 14:03:14,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 14:03:14,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 14:03:14,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 14:03:14,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 14:03:14,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 14:03:14,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 14:03:14,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 14:03:14,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 14:03:14,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 14:03:14,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 14:03:14,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 14:03:14,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 14:03:14,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 14:03:14,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 14:03:14,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 14:03:14,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 14:03:14,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 14:03:14,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 14:03:14,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 14:03:14,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 14:03:14,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 14:03:14,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 14:03:14,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 14:03:14,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 14:03:14,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 14:03:14,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 14:03:14,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 14:03:14,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 14:03:14,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 14:03:14,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 14:03:14,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 14:03:14,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 14:03:14,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-21 14:03:14,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 14:03:14,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 14:03:14,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 14:03:14,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 14:03:14,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 14:03:14,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 14:03:14,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 14:03:14,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 14:03:14,892 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 14:03:14,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 14:03:14,893 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 14:03:14,893 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 14:03:14,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 14:03:14,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 14:03:14,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 14:03:14,894 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 14:03:14,894 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 14:03:14,894 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 14:03:14,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 14:03:14,894 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 14:03:14,894 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 14:03:14,895 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 14:03:14,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 14:03:14,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 14:03:14,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 14:03:14,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:03:14,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 14:03:14,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 14:03:14,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 14:03:14,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 14:03:14,896 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_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2022-11-21 14:03:15,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 14:03:15,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 14:03:15,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 14:03:15,228 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 14:03:15,228 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 14:03:15,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-21 14:03:18,629 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 14:03:18,958 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 14:03:18,967 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-21 14:03:18,991 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/data/37e6866e0/d6ae182056ef447e999bd2c3216a67f5/FLAGf7ba92167 [2022-11-21 14:03:19,006 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/data/37e6866e0/d6ae182056ef447e999bd2c3216a67f5 [2022-11-21 14:03:19,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 14:03:19,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 14:03:19,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 14:03:19,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 14:03:19,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 14:03:19,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:03:19" (1/1) ... [2022-11-21 14:03:19,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514a5109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:19, skipping insertion in model container [2022-11-21 14:03:19,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:03:19" (1/1) ... [2022-11-21 14:03:19,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 14:03:19,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 14:03:19,936 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_397582d9-ebdf-4caa-ab47-7b003598b437/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-21 14:03:19,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:03:19,985 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) [2022-11-21 14:03:19,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6786c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:19, skipping insertion in model container [2022-11-21 14:03:19,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 14:03:19,987 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-21 14:03:19,989 INFO L158 Benchmark]: Toolchain (without parser) took 977.66ms. Allocated memory is still 153.1MB. Free memory was 107.3MB in the beginning and 87.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 14:03:19,990 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory was 78.5MB in the beginning and 78.5MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 14:03:19,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 974.98ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 87.3MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 14:03:19,992 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory was 78.5MB in the beginning and 78.5MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 974.98ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 87.3MB in the end (delta: 19.5MB). 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_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 14:03:22,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 14:03:22,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 14:03:22,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 14:03:22,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 14:03:22,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 14:03:22,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 14:03:22,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 14:03:22,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 14:03:22,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 14:03:22,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 14:03:22,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 14:03:22,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 14:03:22,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 14:03:22,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 14:03:22,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 14:03:22,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 14:03:22,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 14:03:22,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 14:03:22,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 14:03:22,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 14:03:22,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 14:03:22,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 14:03:22,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 14:03:22,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 14:03:22,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 14:03:22,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 14:03:22,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 14:03:22,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 14:03:22,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 14:03:22,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 14:03:22,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 14:03:22,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 14:03:22,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 14:03:22,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 14:03:22,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 14:03:22,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 14:03:22,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 14:03:22,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 14:03:22,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 14:03:22,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 14:03:22,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-21 14:03:22,603 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 14:03:22,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 14:03:22,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 14:03:22,604 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 14:03:22,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 14:03:22,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 14:03:22,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 14:03:22,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 14:03:22,606 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 14:03:22,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 14:03:22,606 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 14:03:22,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 14:03:22,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 14:03:22,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 14:03:22,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 14:03:22,607 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 14:03:22,608 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 14:03:22,608 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 14:03:22,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 14:03:22,608 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 14:03:22,609 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 14:03:22,609 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 14:03:22,609 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 14:03:22,609 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 14:03:22,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 14:03:22,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 14:03:22,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 14:03:22,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:03:22,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 14:03:22,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 14:03:22,611 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 14:03:22,611 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 14:03:22,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 14:03:22,611 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_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2022-11-21 14:03:23,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 14:03:23,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 14:03:23,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 14:03:23,109 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 14:03:23,109 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 14:03:23,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-21 14:03:26,323 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 14:03:26,704 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 14:03:26,705 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-21 14:03:26,724 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/data/14e102a12/4a41bc8037e8459d981531a56df482e5/FLAG302614600 [2022-11-21 14:03:26,740 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/data/14e102a12/4a41bc8037e8459d981531a56df482e5 [2022-11-21 14:03:26,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 14:03:26,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 14:03:26,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 14:03:26,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 14:03:26,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 14:03:26,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:03:26" (1/1) ... [2022-11-21 14:03:26,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280ee42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:26, skipping insertion in model container [2022-11-21 14:03:26,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:03:26" (1/1) ... [2022-11-21 14:03:26,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 14:03:26,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 14:03:27,751 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_397582d9-ebdf-4caa-ab47-7b003598b437/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-21 14:03:27,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:03:27,813 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 14:03:27,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 14:03:27,909 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_397582d9-ebdf-4caa-ab47-7b003598b437/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-21 14:03:27,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:03:27,935 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 14:03:28,046 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_397582d9-ebdf-4caa-ab47-7b003598b437/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-21 14:03:28,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:03:28,233 INFO L208 MainTranslator]: Completed translation [2022-11-21 14:03:28,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28 WrapperNode [2022-11-21 14:03:28,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 14:03:28,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 14:03:28,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 14:03:28,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 14:03:28,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28" (1/1) ... [2022-11-21 14:03:28,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28" (1/1) ... [2022-11-21 14:03:28,318 INFO L138 Inliner]: procedures = 431, calls = 126, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 464 [2022-11-21 14:03:28,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 14:03:28,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 14:03:28,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 14:03:28,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 14:03:28,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28" (1/1) ... [2022-11-21 14:03:28,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28" (1/1) ... [2022-11-21 14:03:28,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28" (1/1) ... [2022-11-21 14:03:28,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28" (1/1) ... [2022-11-21 14:03:28,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28" (1/1) ... [2022-11-21 14:03:28,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28" (1/1) ... [2022-11-21 14:03:28,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28" (1/1) ... [2022-11-21 14:03:28,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28" (1/1) ... [2022-11-21 14:03:28,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 14:03:28,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 14:03:28,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 14:03:28,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 14:03:28,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28" (1/1) ... [2022-11-21 14:03:28,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:03:28,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:03:28,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 14:03:28,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397582d9-ebdf-4caa-ab47-7b003598b437/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 14:03:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2022-11-21 14:03:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2022-11-21 14:03:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 14:03:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 14:03:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 14:03:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 14:03:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2022-11-21 14:03:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 14:03:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 14:03:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 14:03:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 14:03:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 14:03:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 14:03:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 14:03:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2022-11-21 14:03:28,531 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2022-11-21 14:03:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 14:03:28,533 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 14:03:28,761 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 14:03:28,764 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 14:03:30,969 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 14:03:30,983 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 14:03:30,987 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-21 14:03:30,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:03:30 BoogieIcfgContainer [2022-11-21 14:03:30,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 14:03:30,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 14:03:30,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 14:03:30,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 14:03:30,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:03:26" (1/3) ... [2022-11-21 14:03:31,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43913a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:03:30, skipping insertion in model container [2022-11-21 14:03:31,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:28" (2/3) ... [2022-11-21 14:03:31,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43913a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:03:31, skipping insertion in model container [2022-11-21 14:03:31,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:03:30" (3/3) ... [2022-11-21 14:03:31,004 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2022-11-21 14:03:31,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 14:03:31,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 164 error locations. [2022-11-21 14:03:31,020 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 14:03:31,308 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-21 14:03:31,364 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-21 14:03:31,394 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 607 places, 651 transitions, 1324 flow [2022-11-21 14:03:31,405 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 607 places, 651 transitions, 1324 flow [2022-11-21 14:03:31,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 607 places, 651 transitions, 1324 flow [2022-11-21 14:03:32,073 INFO L130 PetriNetUnfolder]: 109/1455 cut-off events. [2022-11-21 14:03:32,073 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-21 14:03:32,112 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. [2022-11-21 14:03:32,240 INFO L119 LiptonReduction]: Number of co-enabled transitions 197082 [2022-11-21 14:04:54,917 WARN L233 SmtUtils]: Spent 5.07s 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) [2022-11-21 14:05:02,657 WARN L233 SmtUtils]: Spent 5.77s 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) [2022-11-21 14:05:25,682 WARN L233 SmtUtils]: Spent 5.80s 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) [2022-11-21 14:05:34,509 WARN L233 SmtUtils]: Spent 6.50s 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) [2022-11-21 14:06:24,360 WARN L233 SmtUtils]: Spent 46.95s 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) [2022-11-21 14:06:43,062 WARN L233 SmtUtils]: Spent 18.70s 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) [2022-11-21 14:07:32,436 WARN L233 SmtUtils]: Spent 49.37s 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) [2022-11-21 14:07:55,528 WARN L233 SmtUtils]: Spent 23.09s 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) [2022-11-21 14:09:04,744 WARN L233 SmtUtils]: Spent 55.41s 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) [2022-11-21 14:09:23,013 WARN L233 SmtUtils]: Spent 18.27s 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) [2022-11-21 14:10:14,071 WARN L233 SmtUtils]: Spent 51.06s 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) [2022-11-21 14:10:35,339 WARN L233 SmtUtils]: Spent 21.27s 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) [2022-11-21 14:10:42,347 WARN L233 SmtUtils]: Spent 6.99s 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) [2022-11-21 14:10:52,191 WARN L233 SmtUtils]: Spent 7.35s 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) [2022-11-21 14:11:47,224 WARN L233 SmtUtils]: Spent 7.42s 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) [2022-11-21 14:11:57,819 WARN L233 SmtUtils]: Spent 7.83s 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) [2022-11-21 14:13:11,771 WARN L233 SmtUtils]: Spent 27.88s 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) [2022-11-21 14:13:41,401 WARN L233 SmtUtils]: Spent 29.63s 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) [2022-11-21 14:14:09,405 WARN L233 SmtUtils]: Spent 28.00s 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) [2022-11-21 14:14:35,036 WARN L233 SmtUtils]: Spent 25.63s 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) [2022-11-21 14:16:49,868 WARN L233 SmtUtils]: Spent 2.17m 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) [2022-11-21 14:17:52,204 WARN L233 SmtUtils]: Spent 1.04m 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)