./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:40:40,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:40:40,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:40:40,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:40:40,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:40:40,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:40:40,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:40:40,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:40:40,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:40:40,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:40:40,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:40:40,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:40:40,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:40:40,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:40:40,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:40:40,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:40:40,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:40:40,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:40:40,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:40:40,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:40:40,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:40:40,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:40:40,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:40:40,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:40:40,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:40:40,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:40:40,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:40:40,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:40:40,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:40:40,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:40:40,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:40:40,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:40:40,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:40:40,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:40:40,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:40:40,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:40:40,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:40:40,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:40:40,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:40:40,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:40:40,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:40:40,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-22 02:40:40,474 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:40:40,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:40:40,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:40:40,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:40:40,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:40:40,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:40:40,489 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:40:40,489 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:40:40,490 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:40:40,490 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:40:40,490 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:40:40,490 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:40:40,490 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:40:40,491 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:40:40,491 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:40:40,491 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:40:40,491 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:40:40,492 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:40:40,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 02:40:40,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 02:40:40,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:40:40,493 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:40:40,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:40:40,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:40:40,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:40:40,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:40:40,494 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 02:40:40,494 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 02:40:40,494 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 02:40:40,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:40:40,495 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:40:40,495 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:40:40,495 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:40:40,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:40:40,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:40:40,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:40:40,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:40:40,496 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:40:40,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:40:40,496 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:40:40,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:40:40,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:40:40,497 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_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2022-11-22 02:40:40,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:40:40,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:40:40,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:40:40,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:40:40,811 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:40:40,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-22 02:40:43,984 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:40:44,287 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:40:44,304 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-22 02:40:44,326 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/data/fb71dd6cd/7db25853c52c4e13b33c8eb76335549f/FLAG29fd264a5 [2022-11-22 02:40:44,353 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/data/fb71dd6cd/7db25853c52c4e13b33c8eb76335549f [2022-11-22 02:40:44,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:40:44,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:40:44,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:40:44,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:40:44,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:40:44,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:40:44" (1/1) ... [2022-11-22 02:40:44,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63716952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:44, skipping insertion in model container [2022-11-22 02:40:44,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:40:44" (1/1) ... [2022-11-22 02:40:44,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:40:44,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:40:45,024 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:45,025 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:45,026 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:45,029 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:45,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:40:45,120 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) [2022-11-22 02:40:45,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19c1acc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:45, skipping insertion in model container [2022-11-22 02:40:45,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:40:45,122 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 02:40:45,124 INFO L158 Benchmark]: Toolchain (without parser) took 757.60ms. Allocated memory is still 153.1MB. Free memory was 105.0MB in the beginning and 89.7MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 02:40:45,125 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 153.1MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:40:45,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 752.91ms. Allocated memory is still 153.1MB. Free memory was 104.4MB in the beginning and 89.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 02:40:45,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 153.1MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 752.91ms. Allocated memory is still 153.1MB. Free memory was 104.4MB in the beginning and 89.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1031]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:40:47,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:40:47,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:40:47,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:40:47,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:40:47,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:40:47,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:40:47,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:40:47,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:40:47,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:40:47,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:40:47,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:40:47,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:40:47,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:40:47,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:40:47,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:40:47,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:40:47,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:40:47,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:40:47,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:40:47,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:40:47,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:40:47,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:40:47,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:40:47,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:40:47,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:40:47,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:40:47,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:40:47,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:40:47,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:40:47,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:40:47,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:40:47,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:40:47,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:40:47,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:40:47,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:40:47,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:40:47,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:40:47,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:40:47,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:40:47,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:40:47,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-22 02:40:47,837 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:40:47,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:40:47,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:40:47,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:40:47,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:40:47,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:40:47,840 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:40:47,840 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:40:47,840 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:40:47,840 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:40:47,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:40:47,842 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:40:47,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 02:40:47,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 02:40:47,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:40:47,843 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:40:47,844 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:40:47,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:40:47,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:40:47,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:40:47,844 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 02:40:47,845 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 02:40:47,845 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 02:40:47,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:40:47,845 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:40:47,845 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:40:47,846 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:40:47,846 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:40:47,846 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:40:47,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:40:47,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:40:47,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:40:47,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:40:47,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:40:47,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:40:47,848 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:40:47,848 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:40:47,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:40:47,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:40:47,849 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_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2022-11-22 02:40:48,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:40:48,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:40:48,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:40:48,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:40:48,272 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:40:48,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-22 02:40:51,375 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:40:51,837 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:40:51,837 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-22 02:40:51,865 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/data/8387cb89d/a46c0e9df2094472a45edc2825c61375/FLAGefd226b56 [2022-11-22 02:40:51,882 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/data/8387cb89d/a46c0e9df2094472a45edc2825c61375 [2022-11-22 02:40:51,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:40:51,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:40:51,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:40:51,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:40:51,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:40:51,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:40:51" (1/1) ... [2022-11-22 02:40:51,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183c73c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:51, skipping insertion in model container [2022-11-22 02:40:51,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:40:51" (1/1) ... [2022-11-22 02:40:51,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:40:51,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:40:52,424 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:52,425 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:52,425 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:52,426 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:52,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:40:52,481 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-22 02:40:52,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:40:52,559 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:52,559 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:52,560 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:52,560 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:52,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:40:52,583 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:40:52,616 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:52,617 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:52,617 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:52,618 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:40:52,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:40:52,702 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:40:52,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52 WrapperNode [2022-11-22 02:40:52,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:40:52,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:40:52,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:40:52,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:40:52,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52" (1/1) ... [2022-11-22 02:40:52,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52" (1/1) ... [2022-11-22 02:40:52,804 INFO L138 Inliner]: procedures = 274, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2022-11-22 02:40:52,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:40:52,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:40:52,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:40:52,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:40:52,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52" (1/1) ... [2022-11-22 02:40:52,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52" (1/1) ... [2022-11-22 02:40:52,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52" (1/1) ... [2022-11-22 02:40:52,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52" (1/1) ... [2022-11-22 02:40:52,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52" (1/1) ... [2022-11-22 02:40:52,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52" (1/1) ... [2022-11-22 02:40:52,876 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52" (1/1) ... [2022-11-22 02:40:52,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52" (1/1) ... [2022-11-22 02:40:52,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:40:52,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:40:52,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:40:52,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:40:52,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52" (1/1) ... [2022-11-22 02:40:52,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:40:52,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:40:52,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:40:52,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbdc2ddb-d5fc-4290-bc51-ed107978a7a3/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:40:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-22 02:40:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-22 02:40:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-22 02:40:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:40:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:40:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:40:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-22 02:40:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 02:40:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:40:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:40:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:40:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:40:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:40:52,982 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 02:40:53,249 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:40:53,256 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:40:53,886 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:40:53,893 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:40:53,893 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-22 02:40:53,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:40:53 BoogieIcfgContainer [2022-11-22 02:40:53,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:40:53,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:40:53,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:40:53,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:40:53,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:40:51" (1/3) ... [2022-11-22 02:40:53,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71062140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:40:53, skipping insertion in model container [2022-11-22 02:40:53,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:40:52" (2/3) ... [2022-11-22 02:40:53,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71062140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:40:53, skipping insertion in model container [2022-11-22 02:40:53,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:40:53" (3/3) ... [2022-11-22 02:40:53,908 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_21-arrayloop2_nr.i [2022-11-22 02:40:53,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:40:53,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-22 02:40:53,928 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 02:40:54,085 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 02:40:54,136 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 02:40:54,168 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 218 transitions, 446 flow [2022-11-22 02:40:54,173 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 218 transitions, 446 flow [2022-11-22 02:40:54,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 218 transitions, 446 flow [2022-11-22 02:40:54,270 INFO L130 PetriNetUnfolder]: 14/216 cut-off events. [2022-11-22 02:40:54,270 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-22 02:40:54,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 216 events. 14/216 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 635 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 155. Up to 2 conditions per place. [2022-11-22 02:40:54,287 INFO L119 LiptonReduction]: Number of co-enabled transitions 8134 [2022-11-22 02:42:30,042 WARN L233 SmtUtils]: Spent 6.76s on a formula simplification. DAG size of input: 123 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:42:39,434 WARN L233 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 123 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:43:07,482 WARN L233 SmtUtils]: Spent 7.39s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:43:15,999 WARN L233 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:43:23,737 WARN L233 SmtUtils]: Spent 7.73s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:43:31,254 WARN L233 SmtUtils]: Spent 7.52s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:43:38,115 WARN L233 SmtUtils]: Spent 6.86s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:43:45,811 WARN L233 SmtUtils]: Spent 7.69s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:43:52,305 WARN L233 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:43:58,692 WARN L233 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:44:05,611 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:44:11,698 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:44:16,936 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:44:22,017 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:44:28,586 WARN L233 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:44:34,827 WARN L233 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:44:40,941 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:44:47,059 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:46:43,439 WARN L233 SmtUtils]: Spent 1.94m on a formula simplification. DAG size of input: 212 DAG size of output: 204 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:47:41,987 WARN L233 SmtUtils]: Spent 58.54s on a formula simplification that was a NOOP. DAG size: 200 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:49:31,376 WARN L233 SmtUtils]: Spent 1.82m on a formula simplification. DAG size of input: 212 DAG size of output: 204 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:50:29,307 WARN L233 SmtUtils]: Spent 57.93s on a formula simplification that was a NOOP. DAG size: 200 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:52:39,758 WARN L233 SmtUtils]: Spent 2.05m on a formula simplification that was a NOOP. DAG size: 220 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:54:30,411 WARN L233 SmtUtils]: Spent 1.84m on a formula simplification that was a NOOP. DAG size: 212 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)