./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-memsafety/list1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-memsafety/list1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ --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 1da30149a66945688e686f90b0d1749d09e30bdcfdeae7b4325d99ddbe3a8206 --- 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-dbf71c6-m [2022-10-17 10:28:34,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:28:34,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:28:34,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:28:34,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:28:34,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:28:34,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:28:34,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:28:34,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:28:34,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:28:34,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:28:34,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:28:34,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:28:34,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:28:34,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:28:34,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:28:34,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:28:34,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:28:34,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:28:34,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:28:34,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:28:34,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:28:34,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:28:34,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:28:34,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:28:34,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:28:34,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:28:34,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:28:34,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:28:34,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:28:34,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:28:34,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:28:34,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:28:34,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:28:34,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:28:34,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:28:34,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:28:34,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:28:34,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:28:34,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:28:34,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:28:34,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-17 10:28:34,562 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:28:34,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:28:34,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:28:34,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:28:34,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:28:34,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:28:34,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:28:34,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:28:34,565 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:28:34,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:28:34,565 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:28:34,565 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:28:34,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:28:34,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:28:34,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:28:34,570 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 10:28:34,571 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 10:28:34,571 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 10:28:34,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:28:34,571 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 10:28:34,572 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:28:34,572 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:28:34,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:28:34,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:28:34,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:28:34,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:28:34,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:28:34,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:28:34,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:28:34,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:28:34,575 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_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1da30149a66945688e686f90b0d1749d09e30bdcfdeae7b4325d99ddbe3a8206 [2022-10-17 10:28:34,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:28:34,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:28:34,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:28:34,861 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:28:34,862 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:28:34,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/pthread-memsafety/list1.i [2022-10-17 10:28:34,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/data/a11641eac/7f2b9bf5fdef4d1c817aedcbff1742e9/FLAGf40bfbb08 [2022-10-17 10:28:35,578 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:28:35,579 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/sv-benchmarks/c/pthread-memsafety/list1.i [2022-10-17 10:28:35,602 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/data/a11641eac/7f2b9bf5fdef4d1c817aedcbff1742e9/FLAGf40bfbb08 [2022-10-17 10:28:35,821 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/data/a11641eac/7f2b9bf5fdef4d1c817aedcbff1742e9 [2022-10-17 10:28:35,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:28:35,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:28:35,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:28:35,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:28:35,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:28:35,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:28:35" (1/1) ... [2022-10-17 10:28:35,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f225b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:35, skipping insertion in model container [2022-10-17 10:28:35,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:28:35" (1/1) ... [2022-10-17 10:28:35,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:28:35,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:28:36,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:28:36,475 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) [2022-10-17 10:28:36,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6671442b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:36, skipping insertion in model container [2022-10-17 10:28:36,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:28:36,478 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 10:28:36,480 INFO L158 Benchmark]: Toolchain (without parser) took 650.59ms. Allocated memory is still 121.6MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:28:36,481 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:28:36,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.16ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 90.4MB in the end (delta: 1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:28:36,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 647.16ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 90.4MB in the end (delta: 1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1048]: 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-memsafety/list1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ --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 1da30149a66945688e686f90b0d1749d09e30bdcfdeae7b4325d99ddbe3a8206 --- 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-dbf71c6-m [2022-10-17 10:28:38,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:28:38,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:28:38,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:28:38,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:28:38,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:28:38,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:28:38,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:28:38,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:28:38,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:28:38,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:28:38,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:28:38,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:28:38,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:28:38,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:28:38,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:28:38,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:28:38,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:28:38,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:28:38,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:28:38,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:28:38,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:28:38,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:28:38,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:28:38,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:28:38,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:28:38,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:28:38,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:28:38,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:28:38,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:28:38,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:28:38,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:28:38,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:28:38,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:28:38,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:28:38,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:28:38,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:28:38,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:28:38,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:28:38,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:28:38,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:28:38,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-10-17 10:28:38,929 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:28:38,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:28:38,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:28:38,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:28:38,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:28:38,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:28:38,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:28:38,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:28:38,935 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:28:38,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:28:38,936 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:28:38,936 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:28:38,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:28:38,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:28:38,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:28:38,937 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 10:28:38,938 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 10:28:38,938 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 10:28:38,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:28:38,938 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 10:28:38,939 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 10:28:38,939 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 10:28:38,939 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:28:38,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:28:38,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:28:38,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:28:38,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:28:38,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:28:38,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:28:38,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:28:38,941 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-10-17 10:28:38,941 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 10:28:38,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 10:28:38,942 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_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1da30149a66945688e686f90b0d1749d09e30bdcfdeae7b4325d99ddbe3a8206 [2022-10-17 10:28:39,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:28:39,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:28:39,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:28:39,376 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:28:39,377 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:28:39,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/pthread-memsafety/list1.i [2022-10-17 10:28:39,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/data/49152cfb0/aab9184f849f4e2fb64481bce42f6bd4/FLAGe495e23d4 [2022-10-17 10:28:40,081 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:28:40,082 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/sv-benchmarks/c/pthread-memsafety/list1.i [2022-10-17 10:28:40,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/data/49152cfb0/aab9184f849f4e2fb64481bce42f6bd4/FLAGe495e23d4 [2022-10-17 10:28:40,300 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/data/49152cfb0/aab9184f849f4e2fb64481bce42f6bd4 [2022-10-17 10:28:40,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:28:40,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:28:40,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:28:40,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:28:40,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:28:40,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:28:40" (1/1) ... [2022-10-17 10:28:40,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@275482cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:40, skipping insertion in model container [2022-10-17 10:28:40,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:28:40" (1/1) ... [2022-10-17 10:28:40,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:28:40,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:28:41,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:28:41,067 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 10:28:41,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:28:41,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:28:41,140 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:28:41,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:28:41,280 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:28:41,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41 WrapperNode [2022-10-17 10:28:41,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:28:41,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:28:41,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:28:41,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:28:41,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41" (1/1) ... [2022-10-17 10:28:41,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41" (1/1) ... [2022-10-17 10:28:41,366 INFO L138 Inliner]: procedures = 267, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-10-17 10:28:41,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:28:41,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:28:41,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:28:41,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:28:41,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41" (1/1) ... [2022-10-17 10:28:41,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41" (1/1) ... [2022-10-17 10:28:41,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41" (1/1) ... [2022-10-17 10:28:41,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41" (1/1) ... [2022-10-17 10:28:41,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41" (1/1) ... [2022-10-17 10:28:41,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41" (1/1) ... [2022-10-17 10:28:41,442 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41" (1/1) ... [2022-10-17 10:28:41,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41" (1/1) ... [2022-10-17 10:28:41,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:28:41,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:28:41,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:28:41,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:28:41,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41" (1/1) ... [2022-10-17 10:28:41,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:28:41,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:28:41,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:28:41,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a81d734-d728-4a57-a292-26cb36a74858/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:28:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 10:28:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:28:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:28:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 10:28:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:28:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:28:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:28:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:28:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure delete [2022-10-17 10:28:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure delete [2022-10-17 10:28:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure build [2022-10-17 10:28:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure build [2022-10-17 10:28:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:28:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:28:41,556 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 10:28:41,740 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:28:41,742 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:28:42,330 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:28:42,339 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:28:42,340 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:28:42,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:28:42 BoogieIcfgContainer [2022-10-17 10:28:42,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:28:42,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:28:42,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:28:42,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:28:42,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:28:40" (1/3) ... [2022-10-17 10:28:42,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa7e35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:28:42, skipping insertion in model container [2022-10-17 10:28:42,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:41" (2/3) ... [2022-10-17 10:28:42,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa7e35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:28:42, skipping insertion in model container [2022-10-17 10:28:42,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:28:42" (3/3) ... [2022-10-17 10:28:42,351 INFO L112 eAbstractionObserver]: Analyzing ICFG list1.i [2022-10-17 10:28:42,371 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:28:42,371 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-10-17 10:28:42,372 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 10:28:42,539 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-17 10:28:42,590 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-10-17 10:28:42,608 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 151 transitions, 318 flow [2022-10-17 10:28:42,613 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 151 transitions, 318 flow [2022-10-17 10:28:42,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 151 transitions, 318 flow [2022-10-17 10:28:42,706 INFO L130 PetriNetUnfolder]: 6/149 cut-off events. [2022-10-17 10:28:42,706 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-10-17 10:28:42,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 149 events. 6/149 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 374 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 87. Up to 3 conditions per place. [2022-10-17 10:28:42,715 INFO L118 LiptonReduction]: Number of co-enabled transitions 960