./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R --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 e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 --- 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-38b53e6 [2022-11-25 17:48:56,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:48:56,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:48:56,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:48:56,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:48:56,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:48:56,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:48:56,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:48:56,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:48:56,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:48:56,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:48:56,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:48:56,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:48:56,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:48:56,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:48:56,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:48:56,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:48:56,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:48:56,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:48:56,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:48:56,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:48:56,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:48:56,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:48:56,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:48:56,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:48:56,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:48:56,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:48:56,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:48:56,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:48:56,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:48:56,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:48:56,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:48:56,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:48:56,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:48:56,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:48:56,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:48:56,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:48:56,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:48:56,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:48:56,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:48:56,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:48:56,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-25 17:48:56,704 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:48:56,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:48:56,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:48:56,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:48:56,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:48:56,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:48:56,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:48:56,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:48:56,710 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:48:56,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:48:56,711 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:48:56,711 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:48:56,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:48:56,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:48:56,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:48:56,712 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 17:48:56,712 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 17:48:56,712 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 17:48:56,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:48:56,713 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:48:56,713 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:48:56,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:48:56,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:48:56,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:48:56,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:48:56,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:48:56,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:48:56,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:48:56,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:48:56,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:48:56,733 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:48:56,733 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:48:56,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:48:56,734 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 [2022-11-25 17:48:56,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:48:57,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:48:57,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:48:57,020 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:48:57,020 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:48:57,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2022-11-25 17:48:59,997 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:49:00,276 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:49:00,277 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2022-11-25 17:49:00,302 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/data/6a31cfc99/60dfac20bcfe409187c333932a25bdc6/FLAGa87c88154 [2022-11-25 17:49:00,320 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/data/6a31cfc99/60dfac20bcfe409187c333932a25bdc6 [2022-11-25 17:49:00,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:49:00,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:49:00,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:49:00,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:49:00,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:49:00,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:49:00" (1/1) ... [2022-11-25 17:49:00,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5ce73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:00, skipping insertion in model container [2022-11-25 17:49:00,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:49:00" (1/1) ... [2022-11-25 17:49:00,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:49:00,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:49:01,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:49:01,092 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) [2022-11-25 17:49:01,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cb6eed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:01, skipping insertion in model container [2022-11-25 17:49:01,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:49:01,094 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 17:49:01,098 INFO L158 Benchmark]: Toolchain (without parser) took 770.91ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 72.1MB in the beginning and 154.8MB in the end (delta: -82.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 17:49:01,099 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory was 105.9MB in the beginning and 105.9MB in the end (delta: 86.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:49:01,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 765.73ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 71.9MB in the beginning and 154.8MB in the end (delta: -82.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 17:49:01,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory was 105.9MB in the beginning and 105.9MB in the end (delta: 86.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 765.73ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 71.9MB in the beginning and 154.8MB in the end (delta: -82.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1239]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R --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 e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 --- 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-38b53e6 [2022-11-25 17:49:03,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:49:03,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:49:03,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:49:03,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:49:03,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:49:03,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:49:03,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:49:03,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:49:03,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:49:03,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:49:03,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:49:03,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:49:03,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:49:03,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:49:03,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:49:03,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:49:03,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:49:03,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:49:03,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:49:03,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:49:03,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:49:03,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:49:03,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:49:03,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:49:03,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:49:03,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:49:03,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:49:03,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:49:03,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:49:03,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:49:03,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:49:03,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:49:03,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:49:03,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:49:03,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:49:03,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:49:03,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:49:03,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:49:03,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:49:03,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:49:03,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-25 17:49:03,533 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:49:03,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:49:03,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:49:03,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:49:03,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:49:03,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:49:03,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:49:03,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:49:03,538 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:49:03,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:49:03,539 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:49:03,539 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:49:03,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:49:03,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:49:03,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:49:03,540 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 17:49:03,541 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 17:49:03,541 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 17:49:03,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:49:03,541 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:49:03,542 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:49:03,542 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:49:03,542 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:49:03,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:49:03,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:49:03,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:49:03,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:49:03,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:49:03,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:49:03,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:49:03,544 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:49:03,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:49:03,545 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:49:03,545 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:49:03,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:49:03,546 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:49:03,546 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 [2022-11-25 17:49:03,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:49:03,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:49:03,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:49:03,961 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:49:03,961 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:49:03,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2022-11-25 17:49:07,160 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:49:07,494 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:49:07,495 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2022-11-25 17:49:07,513 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/data/5c68ea21b/391dbfe34da3455ea196425607209067/FLAG033af57ab [2022-11-25 17:49:07,529 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/data/5c68ea21b/391dbfe34da3455ea196425607209067 [2022-11-25 17:49:07,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:49:07,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:49:07,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:49:07,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:49:07,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:49:07,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:49:07" (1/1) ... [2022-11-25 17:49:07,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21eeeb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:07, skipping insertion in model container [2022-11-25 17:49:07,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:49:07" (1/1) ... [2022-11-25 17:49:07,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:49:07,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:49:08,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:49:08,316 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 17:49:08,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:49:08,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:49:08,367 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:49:08,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:49:08,514 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:49:08,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08 WrapperNode [2022-11-25 17:49:08,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:49:08,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:49:08,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:49:08,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:49:08,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08" (1/1) ... [2022-11-25 17:49:08,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08" (1/1) ... [2022-11-25 17:49:08,583 INFO L138 Inliner]: procedures = 369, calls = 31, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 98 [2022-11-25 17:49:08,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:49:08,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:49:08,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:49:08,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:49:08,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08" (1/1) ... [2022-11-25 17:49:08,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08" (1/1) ... [2022-11-25 17:49:08,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08" (1/1) ... [2022-11-25 17:49:08,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08" (1/1) ... [2022-11-25 17:49:08,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08" (1/1) ... [2022-11-25 17:49:08,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08" (1/1) ... [2022-11-25 17:49:08,617 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08" (1/1) ... [2022-11-25 17:49:08,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08" (1/1) ... [2022-11-25 17:49:08,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:49:08,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:49:08,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:49:08,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:49:08,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08" (1/1) ... [2022-11-25 17:49:08,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:49:08,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:49:08,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:49:08,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb6ceaf-8b3d-4e87-8a3d-ae2f85bd893c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:49:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 17:49:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:49:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:49:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:49:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 17:49:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 17:49:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 17:49:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:49:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:49:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:49:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 17:49:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 17:49:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:49:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:49:08,719 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 17:49:08,913 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:49:08,916 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:49:09,529 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:49:09,537 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:49:09,537 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:49:09,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:49:09 BoogieIcfgContainer [2022-11-25 17:49:09,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:49:09,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:49:09,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:49:09,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:49:09,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:49:07" (1/3) ... [2022-11-25 17:49:09,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ae86de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:49:09, skipping insertion in model container [2022-11-25 17:49:09,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:08" (2/3) ... [2022-11-25 17:49:09,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ae86de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:49:09, skipping insertion in model container [2022-11-25 17:49:09,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:49:09" (3/3) ... [2022-11-25 17:49:09,549 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_06-ptra_nr.i [2022-11-25 17:49:09,565 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:49:09,565 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-11-25 17:49:09,565 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:49:09,702 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 17:49:09,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 149 transitions, 303 flow [2022-11-25 17:49:09,854 INFO L130 PetriNetUnfolder]: 0/148 cut-off events. [2022-11-25 17:49:09,855 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:49:09,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 148 events. 0/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 158 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-25 17:49:09,859 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 149 transitions, 303 flow [2022-11-25 17:49:09,868 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 152 places, 148 transitions, 299 flow [2022-11-25 17:49:09,871 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:49:09,894 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 148 transitions, 299 flow [2022-11-25 17:49:09,904 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 148 transitions, 299 flow [2022-11-25 17:49:09,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 148 transitions, 299 flow [2022-11-25 17:49:09,963 INFO L130 PetriNetUnfolder]: 0/148 cut-off events. [2022-11-25 17:49:09,964 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:49:09,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 148 events. 0/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 158 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-25 17:49:09,967 INFO L119 LiptonReduction]: Number of co-enabled transitions 1924 [2022-11-25 17:50:17,032 WARN L233 SmtUtils]: Spent 21.32s on a formula simplification. DAG size of input: 138 DAG size of output: 137 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:50:23,648 WARN L233 SmtUtils]: Spent 6.61s on a formula simplification that was a NOOP. DAG size: 133 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:50:46,189 WARN L233 SmtUtils]: Spent 22.54s on a formula simplification. DAG size of input: 138 DAG size of output: 137 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:50:54,990 WARN L233 SmtUtils]: Spent 8.80s on a formula simplification that was a NOOP. DAG size: 133 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:51:17,628 WARN L233 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 144 DAG size of output: 137 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:53:14,786 WARN L233 SmtUtils]: Spent 1.76m on a formula simplification. DAG size of input: 187 DAG size of output: 183 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:54:12,873 WARN L233 SmtUtils]: Spent 58.08s on a formula simplification that was a NOOP. DAG size: 179 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:56:09,691 WARN L233 SmtUtils]: Spent 1.95m on a formula simplification. DAG size of input: 187 DAG size of output: 183 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:56:59,124 WARN L233 SmtUtils]: Spent 49.43s on a formula simplification that was a NOOP. DAG size: 179 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:01:32,010 WARN L233 SmtUtils]: Spent 4.55m on a formula simplification. DAG size of input: 226 DAG size of output: 222 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:03:44,483 WARN L233 SmtUtils]: Spent 2.21m on a formula simplification that was a NOOP. DAG size: 218 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)