./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b5237d83 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_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/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_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/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_51da5321-87fd-4a3f-8c4a-9a0d8278952a/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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- 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 02:22:19,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:22:19,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:22:19,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:22:19,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:22:19,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:22:19,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:22:19,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:22:19,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:22:19,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:22:19,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:22:19,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:22:19,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:22:19,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:22:19,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:22:19,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:22:19,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:22:19,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:22:19,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:22:19,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:22:19,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:22:19,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:22:19,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:22:19,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:22:19,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:22:19,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:22:19,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:22:19,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:22:19,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:22:19,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:22:19,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:22:19,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:22:19,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:22:19,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:22:19,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:22:19,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:22:19,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:22:19,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:22:19,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:22:19,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:22:19,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:22:19,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-22 02:22:19,442 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:22:19,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:22:19,443 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:22:19,443 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:22:19,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:22:19,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:22:19,444 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:22:19,445 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:22:19,445 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:22:19,445 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:22:19,446 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:22:19,446 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:22:19,446 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:22:19,446 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:22:19,447 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:22:19,447 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:22:19,447 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:22:19,447 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:22:19,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 02:22:19,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 02:22:19,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:22:19,449 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:22:19,449 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:22:19,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:22:19,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:22:19,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:22:19,450 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 02:22:19,451 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 02:22:19,451 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 02:22:19,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:22:19,451 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:22:19,451 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:22:19,452 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:22:19,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:22:19,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:22:19,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:22:19,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:22:19,453 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:22:19,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:22:19,453 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:22:19,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:22:19,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:22:19,454 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_51da5321-87fd-4a3f-8c4a-9a0d8278952a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2022-11-22 02:22:19,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:22:19,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:22:19,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:22:19,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:22:19,762 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:22:19,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-22 02:22:22,844 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:22:23,250 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:22:23,251 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-22 02:22:23,272 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/data/ce58a75b5/e6e1bc2a29f44979aecb91548752d6ef/FLAG532892147 [2022-11-22 02:22:23,292 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/data/ce58a75b5/e6e1bc2a29f44979aecb91548752d6ef [2022-11-22 02:22:23,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:22:23,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:22:23,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:22:23,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:22:23,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:22:23,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:22:23" (1/1) ... [2022-11-22 02:22:23,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9b7dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:23, skipping insertion in model container [2022-11-22 02:22:23,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:22:23" (1/1) ... [2022-11-22 02:22:23,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:22:23,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:22:23,852 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:23,852 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:23,854 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:23,855 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:23,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:22:23,929 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 02:22:23,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31dff6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:23, skipping insertion in model container [2022-11-22 02:22:23,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:22:23,930 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 02:22:23,932 INFO L158 Benchmark]: Toolchain (without parser) took 633.90ms. Allocated memory is still 157.3MB. Free memory was 128.6MB in the beginning and 113.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 02:22:23,933 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:22:23,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.43ms. Allocated memory is still 157.3MB. Free memory was 128.6MB in the beginning and 113.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 02:22:23,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.43ms. Allocated memory is still 157.3MB. Free memory was 128.6MB in the beginning and 113.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1045]: 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_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/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_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/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_51da5321-87fd-4a3f-8c4a-9a0d8278952a/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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- 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 02:22:26,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:22:26,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:22:26,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:22:26,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:22:26,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:22:26,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:22:26,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:22:26,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:22:26,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:22:26,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:22:26,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:22:26,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:22:26,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:22:26,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:22:26,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:22:26,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:22:26,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:22:26,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:22:26,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:22:26,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:22:26,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:22:26,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:22:26,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:22:26,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:22:26,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:22:26,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:22:26,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:22:26,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:22:26,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:22:26,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:22:26,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:22:26,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:22:26,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:22:26,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:22:26,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:22:26,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:22:26,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:22:26,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:22:26,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:22:26,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:22:26,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-22 02:22:26,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:22:26,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:22:26,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:22:26,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:22:26,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:22:26,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:22:26,548 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:22:26,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:22:26,549 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:22:26,549 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:22:26,550 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:22:26,550 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:22:26,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 02:22:26,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 02:22:26,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:22:26,553 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:22:26,553 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:22:26,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:22:26,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:22:26,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:22:26,554 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 02:22:26,554 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 02:22:26,554 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 02:22:26,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:22:26,555 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:22:26,555 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:22:26,555 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:22:26,555 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:22:26,556 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:22:26,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:22:26,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:22:26,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:22:26,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:22:26,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:22:26,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:22:26,558 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:22:26,558 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:22:26,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:22:26,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:22:26,559 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_51da5321-87fd-4a3f-8c4a-9a0d8278952a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2022-11-22 02:22:26,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:22:26,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:22:26,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:22:26,971 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:22:26,971 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:22:26,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-22 02:22:30,007 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:22:30,309 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:22:30,325 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-22 02:22:30,346 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/data/b247cff6f/99fbbe162ce8498a88d6298cefc37732/FLAGeb7277210 [2022-11-22 02:22:30,375 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/data/b247cff6f/99fbbe162ce8498a88d6298cefc37732 [2022-11-22 02:22:30,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:22:30,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:22:30,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:22:30,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:22:30,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:22:30,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:22:30" (1/1) ... [2022-11-22 02:22:30,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b00cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:30, skipping insertion in model container [2022-11-22 02:22:30,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:22:30" (1/1) ... [2022-11-22 02:22:30,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:22:30,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:22:31,055 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:31,056 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:31,057 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:31,058 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:31,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:22:31,129 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-22 02:22:31,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:22:31,187 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:31,188 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:31,188 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:31,189 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:31,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:22:31,209 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:22:31,244 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:31,244 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:31,245 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:31,246 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-22 02:22:31,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:22:31,327 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:22:31,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31 WrapperNode [2022-11-22 02:22:31,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:22:31,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:22:31,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:22:31,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:22:31,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31" (1/1) ... [2022-11-22 02:22:31,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31" (1/1) ... [2022-11-22 02:22:31,384 INFO L138 Inliner]: procedures = 276, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 153 [2022-11-22 02:22:31,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:22:31,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:22:31,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:22:31,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:22:31,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31" (1/1) ... [2022-11-22 02:22:31,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31" (1/1) ... [2022-11-22 02:22:31,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31" (1/1) ... [2022-11-22 02:22:31,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31" (1/1) ... [2022-11-22 02:22:31,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31" (1/1) ... [2022-11-22 02:22:31,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31" (1/1) ... [2022-11-22 02:22:31,419 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31" (1/1) ... [2022-11-22 02:22:31,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31" (1/1) ... [2022-11-22 02:22:31,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:22:31,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:22:31,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:22:31,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:22:31,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31" (1/1) ... [2022-11-22 02:22:31,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:22:31,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:22:31,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:22:31,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51da5321-87fd-4a3f-8c4a-9a0d8278952a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:22:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-22 02:22:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-22 02:22:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-22 02:22:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:22:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:22:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:22:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-22 02:22:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 02:22:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:22:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:22:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:22:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:22:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:22:31,523 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 02:22:31,811 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:22:31,813 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:22:32,591 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:22:32,599 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:22:32,600 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-22 02:22:32,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:22:32 BoogieIcfgContainer [2022-11-22 02:22:32,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:22:32,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:22:32,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:22:32,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:22:32,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:22:30" (1/3) ... [2022-11-22 02:22:32,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66815b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:22:32, skipping insertion in model container [2022-11-22 02:22:32,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:31" (2/3) ... [2022-11-22 02:22:32,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66815b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:22:32, skipping insertion in model container [2022-11-22 02:22:32,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:22:32" (3/3) ... [2022-11-22 02:22:32,610 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2022-11-22 02:22:32,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:22:32,635 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-11-22 02:22:32,635 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 02:22:32,795 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 02:22:32,852 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 02:22:32,866 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 275 transitions, 560 flow [2022-11-22 02:22:32,869 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 275 transitions, 560 flow [2022-11-22 02:22:32,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 275 transitions, 560 flow [2022-11-22 02:22:32,976 INFO L130 PetriNetUnfolder]: 17/273 cut-off events. [2022-11-22 02:22:32,976 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-22 02:22:32,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 273 events. 17/273 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 736 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 212. Up to 2 conditions per place. [2022-11-22 02:22:32,988 INFO L119 LiptonReduction]: Number of co-enabled transitions 8134 [2022-11-22 02:24:51,790 WARN L233 SmtUtils]: Spent 22.15s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:25:09,381 WARN L233 SmtUtils]: Spent 17.59s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:25:33,714 WARN L233 SmtUtils]: Spent 24.33s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:25:50,821 WARN L233 SmtUtils]: Spent 17.10s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:26:04,878 WARN L233 SmtUtils]: Spent 14.05s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:26:15,923 WARN L233 SmtUtils]: Spent 11.04s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:26:29,021 WARN L233 SmtUtils]: Spent 13.10s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:26:40,522 WARN L233 SmtUtils]: Spent 11.50s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:26:55,967 WARN L233 SmtUtils]: Spent 14.64s on a formula simplification. DAG size of input: 175 DAG size of output: 167 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:27:03,341 WARN L233 SmtUtils]: Spent 7.37s 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 02:27:17,745 WARN L233 SmtUtils]: Spent 14.40s on a formula simplification. DAG size of input: 175 DAG size of output: 167 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:27:25,501 WARN L233 SmtUtils]: Spent 7.75s 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 02:27:37,255 WARN L233 SmtUtils]: Spent 11.35s on a formula simplification. DAG size of input: 159 DAG size of output: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:27:42,355 WARN L233 SmtUtils]: Spent 5.10s 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 02:27:53,177 WARN L233 SmtUtils]: Spent 10.82s on a formula simplification. DAG size of input: 159 DAG size of output: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:27:58,436 WARN L233 SmtUtils]: Spent 5.26s 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 02:28:08,820 WARN L233 SmtUtils]: Spent 10.21s on a formula simplification. DAG size of input: 156 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:28:25,252 WARN L233 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 156 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:28:30,581 WARN L233 SmtUtils]: Spent 5.33s 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 02:28:43,347 WARN L233 SmtUtils]: Spent 12.28s on a formula simplification. DAG size of input: 171 DAG size of output: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:28:49,203 WARN L233 SmtUtils]: Spent 5.85s 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 02:29:02,520 WARN L233 SmtUtils]: Spent 13.31s on a formula simplification. DAG size of input: 171 DAG size of output: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:29:08,060 WARN L233 SmtUtils]: Spent 5.54s 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 02:31:15,261 WARN L233 SmtUtils]: Spent 2.10m on a formula simplification. DAG size of input: 218 DAG size of output: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:32:32,415 WARN L233 SmtUtils]: Spent 1.29m 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 02:34:57,169 WARN L233 SmtUtils]: Spent 2.41m on a formula simplification. DAG size of input: 218 DAG size of output: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:35:58,666 WARN L233 SmtUtils]: Spent 1.02m 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)