./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- 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-2329fc7 [2022-12-13 16:46:54,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:46:54,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:46:55,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:46:55,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:46:55,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:46:55,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:46:55,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:46:55,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:46:55,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:46:55,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:46:55,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:46:55,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:46:55,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:46:55,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:46:55,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:46:55,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:46:55,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:46:55,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:46:55,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:46:55,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:46:55,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:46:55,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:46:55,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:46:55,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:46:55,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:46:55,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:46:55,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:46:55,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:46:55,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:46:55,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:46:55,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:46:55,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:46:55,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:46:55,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:46:55,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:46:55,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:46:55,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:46:55,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:46:55,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:46:55,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:46:55,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-12-13 16:46:55,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:46:55,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:46:55,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:46:55,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:46:55,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:46:55,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:46:55,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:46:55,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:46:55,057 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:46:55,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:46:55,061 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:46:55,062 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:46:55,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:46:55,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:46:55,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:46:55,063 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 16:46:55,063 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 16:46:55,063 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 16:46:55,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:46:55,063 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:46:55,063 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:46:55,064 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:46:55,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:46:55,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:46:55,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:46:55,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:46:55,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:46:55,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:46:55,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:46:55,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:46:55,065 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:46:55,066 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:46:55,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:46:55,066 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:46:55,066 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2022-12-13 16:46:55,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:46:55,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:46:55,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:46:55,285 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:46:55,286 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:46:55,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2022-12-13 16:46:57,855 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:46:58,086 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:46:58,087 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2022-12-13 16:46:58,106 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/data/365bf4283/2f1e53a9baeb44ee90a830c3681c0399/FLAG48c3920ae [2022-12-13 16:46:58,420 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/data/365bf4283/2f1e53a9baeb44ee90a830c3681c0399 [2022-12-13 16:46:58,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:46:58,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:46:58,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:46:58,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:46:58,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:46:58,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:46:58" (1/1) ... [2022-12-13 16:46:58,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be456d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:46:58, skipping insertion in model container [2022-12-13 16:46:58,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:46:58" (1/1) ... [2022-12-13 16:46:58,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:46:58,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:46:58,756 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2022-12-13 16:46:58,767 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:46:58,767 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:46:58,767 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:46:58,768 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:46:58,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:46:58,803 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) [2022-12-13 16:46:58,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f9e6b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:46:58, skipping insertion in model container [2022-12-13 16:46:58,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:46:58,804 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 16:46:58,806 INFO L158 Benchmark]: Toolchain (without parser) took 381.22ms. Allocated memory is still 140.5MB. Free memory was 106.9MB in the beginning and 91.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:46:58,806 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:46:58,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.15ms. Allocated memory is still 140.5MB. Free memory was 106.9MB in the beginning and 91.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:46:58,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.15ms. Allocated memory is still 140.5MB. Free memory was 106.9MB in the beginning and 91.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1044]: 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_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- 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-2329fc7 [2022-12-13 16:47:00,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:47:00,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:47:00,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:47:00,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:47:00,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:47:00,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:47:00,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:47:00,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:47:00,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:47:00,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:47:00,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:47:00,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:47:00,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:47:00,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:47:00,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:47:00,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:47:00,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:47:00,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:47:00,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:47:00,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:47:00,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:47:00,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:47:00,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:47:00,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:47:00,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:47:00,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:47:00,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:47:00,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:47:00,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:47:00,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:47:00,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:47:00,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:47:00,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:47:00,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:47:00,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:47:00,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:47:00,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:47:00,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:47:00,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:47:00,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:47:00,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-12-13 16:47:00,341 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:47:00,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:47:00,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:47:00,342 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:47:00,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:47:00,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:47:00,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:47:00,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:47:00,343 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:47:00,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:47:00,344 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:47:00,344 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:47:00,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:47:00,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:47:00,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:47:00,344 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 16:47:00,344 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 16:47:00,345 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 16:47:00,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:47:00,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:47:00,345 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:47:00,345 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:47:00,345 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:47:00,346 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:47:00,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:47:00,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:47:00,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:47:00,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:47:00,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:47:00,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:47:00,347 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:47:00,347 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:47:00,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:47:00,347 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:47:00,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:47:00,347 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:47:00,347 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:47:00,347 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2022-12-13 16:47:00,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:47:00,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:47:00,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:47:00,583 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:47:00,584 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:47:00,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2022-12-13 16:47:03,203 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:47:03,434 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:47:03,434 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2022-12-13 16:47:03,448 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/data/73d63992b/fbc6f876b91f472d9323c9139ebcf8fb/FLAGa4b21ef19 [2022-12-13 16:47:03,459 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/data/73d63992b/fbc6f876b91f472d9323c9139ebcf8fb [2022-12-13 16:47:03,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:47:03,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:47:03,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:47:03,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:47:03,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:47:03,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:47:03" (1/1) ... [2022-12-13 16:47:03,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1fe638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:03, skipping insertion in model container [2022-12-13 16:47:03,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:47:03" (1/1) ... [2022-12-13 16:47:03,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:47:03,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:47:03,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2022-12-13 16:47:03,856 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:47:03,856 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:47:03,857 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:47:03,857 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:47:03,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:47:03,895 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 16:47:03,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:47:03,925 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2022-12-13 16:47:03,928 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:47:03,929 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:47:03,937 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:47:03,937 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:47:03,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:47:03,950 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:47:03,976 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2022-12-13 16:47:03,978 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:47:03,978 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:47:03,979 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:47:03,979 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-13 16:47:03,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:47:04,024 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:47:04,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04 WrapperNode [2022-12-13 16:47:04,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:47:04,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:47:04,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:47:04,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:47:04,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04" (1/1) ... [2022-12-13 16:47:04,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04" (1/1) ... [2022-12-13 16:47:04,062 INFO L138 Inliner]: procedures = 281, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 181 [2022-12-13 16:47:04,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:47:04,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:47:04,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:47:04,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:47:04,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04" (1/1) ... [2022-12-13 16:47:04,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04" (1/1) ... [2022-12-13 16:47:04,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04" (1/1) ... [2022-12-13 16:47:04,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04" (1/1) ... [2022-12-13 16:47:04,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04" (1/1) ... [2022-12-13 16:47:04,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04" (1/1) ... [2022-12-13 16:47:04,085 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04" (1/1) ... [2022-12-13 16:47:04,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04" (1/1) ... [2022-12-13 16:47:04,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:47:04,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:47:04,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:47:04,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:47:04,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04" (1/1) ... [2022-12-13 16:47:04,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:47:04,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:47:04,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:47:04,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:47:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 16:47:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:47:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 16:47:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:47:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 16:47:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 16:47:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 16:47:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 16:47:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 16:47:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:47:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 16:47:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 16:47:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 16:47:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:47:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:47:04,150 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 16:47:04,290 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:47:04,292 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:47:04,822 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:47:04,828 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:47:04,828 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-12-13 16:47:04,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:47:04 BoogieIcfgContainer [2022-12-13 16:47:04,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:47:04,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:47:04,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:47:04,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:47:04,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:47:03" (1/3) ... [2022-12-13 16:47:04,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e00f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:47:04, skipping insertion in model container [2022-12-13 16:47:04,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:47:04" (2/3) ... [2022-12-13 16:47:04,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e00f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:47:04, skipping insertion in model container [2022-12-13 16:47:04,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:47:04" (3/3) ... [2022-12-13 16:47:04,836 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2022-12-13 16:47:04,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:47:04,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2022-12-13 16:47:04,850 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 16:47:04,924 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 16:47:04,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 218 places, 239 transitions, 486 flow [2022-12-13 16:47:05,007 INFO L130 PetriNetUnfolder]: 26/263 cut-off events. [2022-12-13 16:47:05,007 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-12-13 16:47:05,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 269 conditions, 263 events. 26/263 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 851 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 130. Up to 4 conditions per place. [2022-12-13 16:47:05,012 INFO L82 GeneralOperation]: Start removeDead. Operand has 218 places, 239 transitions, 486 flow [2022-12-13 16:47:05,016 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 218 places, 239 transitions, 486 flow [2022-12-13 16:47:05,019 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 16:47:05,027 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 239 transitions, 486 flow [2022-12-13 16:47:05,029 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 239 transitions, 486 flow [2022-12-13 16:47:05,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 218 places, 239 transitions, 486 flow [2022-12-13 16:47:05,064 INFO L130 PetriNetUnfolder]: 26/263 cut-off events. [2022-12-13 16:47:05,064 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-12-13 16:47:05,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 269 conditions, 263 events. 26/263 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 851 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 130. Up to 4 conditions per place. [2022-12-13 16:47:05,072 INFO L119 LiptonReduction]: Number of co-enabled transitions 6060 [2022-12-13 16:48:21,480 WARN L233 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:48:47,351 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 126 DAG size of output: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:48:55,164 WARN L233 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 126 DAG size of output: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:49:20,594 WARN L233 SmtUtils]: Spent 5.12s 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) [2022-12-13 16:49:25,765 WARN L233 SmtUtils]: Spent 5.17s 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) [2022-12-13 16:49:36,486 WARN L233 SmtUtils]: Spent 6.08s 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) [2022-12-13 16:52:19,853 WARN L233 SmtUtils]: Spent 2.72m on a formula simplification. DAG size of input: 224 DAG size of output: 216 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:53:37,944 WARN L233 SmtUtils]: Spent 1.30m 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) [2022-12-13 16:56:39,307 WARN L233 SmtUtils]: Spent 3.02m on a formula simplification. DAG size of input: 224 DAG size of output: 216 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 16:58:02,105 WARN L233 SmtUtils]: Spent 1.38m 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) [2022-12-13 16:58:12,196 WARN L233 SmtUtils]: Spent 5.30s 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) [2022-12-13 16:58:17,853 WARN L233 SmtUtils]: Spent 5.65s 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) [2022-12-13 16:58:25,448 WARN L233 SmtUtils]: Spent 7.59s 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) [2022-12-13 16:58:44,588 INFO L134 LiptonReduction]: Checked pairs total: 7365 [2022-12-13 16:58:44,589 INFO L136 LiptonReduction]: Total number of compositions: 278 [2022-12-13 16:58:44,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:58:44,602 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78cbbb55, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:58:44,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2022-12-13 16:58:44,604 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2022-12-13 16:58:44,604 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:58:44,604 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:58:44,605 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1] [2022-12-13 16:58:44,605 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 53 more)] === [2022-12-13 16:58:44,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:58:44,608 INFO L85 PathProgramCache]: Analyzing trace with hash 31280, now seen corresponding path program 1 times [2022-12-13 16:58:44,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:58:44,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013385685] [2022-12-13 16:58:44,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:58:44,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:58:44,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:58:44,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:58:44,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 16:58:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:44,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 16:58:44,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:58:44,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:58:44,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:58:44,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:58:44,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1013385685] [2022-12-13 16:58:44,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1013385685] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:58:44,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:58:44,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 16:58:44,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925939411] [2022-12-13 16:58:44,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:58:44,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:58:44,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:58:44,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:58:44,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:58:45,163 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 517 [2022-12-13 16:58:45,167 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 79 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:58:45,167 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:58:45,167 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 517 [2022-12-13 16:58:45,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:58:46,320 INFO L130 PetriNetUnfolder]: 249/572 cut-off events. [2022-12-13 16:58:46,320 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 16:58:46,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 572 events. 249/572 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2996 event pairs, 210 based on Foata normal form. 33/276 useless extension candidates. Maximal degree in co-relation 1012. Up to 501 conditions per place. [2022-12-13 16:58:46,323 INFO L137 encePairwiseOnDemand]: 484/517 looper letters, 50 selfloop transitions, 5 changer transitions 0/62 dead transitions. [2022-12-13 16:58:46,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 62 transitions, 242 flow [2022-12-13 16:58:46,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:58:46,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:58:46,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 735 transitions. [2022-12-13 16:58:46,337 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4738878143133462 [2022-12-13 16:58:46,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 735 transitions. [2022-12-13 16:58:46,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 735 transitions. [2022-12-13 16:58:46,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:58:46,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 735 transitions. [2022-12-13 16:58:46,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:58:46,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 517.0) internal successors, (2068), 4 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:58:46,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 517.0) internal successors, (2068), 4 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:58:46,351 INFO L175 Difference]: Start difference. First operand has 67 places, 79 transitions, 166 flow. Second operand 3 states and 735 transitions. [2022-12-13 16:58:46,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 62 transitions, 242 flow [2022-12-13 16:58:46,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 62 transitions, 242 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 16:58:46,354 INFO L231 Difference]: Finished difference. Result has 55 places, 59 transitions, 157 flow [2022-12-13 16:58:46,356 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=517, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=157, PETRI_PLACES=55, PETRI_TRANSITIONS=59} [2022-12-13 16:58:46,358 INFO L288 CegarLoopForPetriNet]: 67 programPoint places, -12 predicate places. [2022-12-13 16:58:46,358 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 59 transitions, 157 flow [2022-12-13 16:58:46,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:58:46,359 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:58:46,359 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1] [2022-12-13 16:58:46,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:58:46,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:58:46,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 53 more)] === [2022-12-13 16:58:46,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:58:46,562 INFO L85 PathProgramCache]: Analyzing trace with hash 31282, now seen corresponding path program 1 times [2022-12-13 16:58:46,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:58:46,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1857738104] [2022-12-13 16:58:46,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:58:46,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:58:46,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:58:46,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:58:46,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 16:58:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:46,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 16:58:46,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:58:46,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:58:46,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:58:46,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:58:46,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1857738104] [2022-12-13 16:58:46,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1857738104] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:58:46,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:58:46,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 16:58:46,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796437521] [2022-12-13 16:58:46,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:58:46,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:58:46,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:58:46,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:58:46,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:58:46,966 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 517 [2022-12-13 16:58:46,967 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 59 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:58:46,967 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:58:46,967 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 517 [2022-12-13 16:58:46,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:58:48,022 INFO L130 PetriNetUnfolder]: 237/537 cut-off events. [2022-12-13 16:58:48,022 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 16:58:48,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1045 conditions, 537 events. 237/537 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2845 event pairs, 160 based on Foata normal form. 2/230 useless extension candidates. Maximal degree in co-relation 1004. Up to 391 conditions per place. [2022-12-13 16:58:48,025 INFO L137 encePairwiseOnDemand]: 511/517 looper letters, 69 selfloop transitions, 3 changer transitions 0/79 dead transitions. [2022-12-13 16:58:48,025 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 79 transitions, 341 flow [2022-12-13 16:58:48,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:58:48,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:58:48,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 719 transitions. [2022-12-13 16:58:48,031 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.463571889103804 [2022-12-13 16:58:48,031 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 719 transitions. [2022-12-13 16:58:48,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 719 transitions. [2022-12-13 16:58:48,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:58:48,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 719 transitions. [2022-12-13 16:58:48,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:58:48,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 517.0) internal successors, (2068), 4 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:58:48,038 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 517.0) internal successors, (2068), 4 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:58:48,038 INFO L175 Difference]: Start difference. First operand has 55 places, 59 transitions, 157 flow. Second operand 3 states and 719 transitions. [2022-12-13 16:58:48,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 79 transitions, 341 flow [2022-12-13 16:58:48,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 79 transitions, 336 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 16:58:48,040 INFO L231 Difference]: Finished difference. Result has 55 places, 57 transitions, 159 flow [2022-12-13 16:58:48,041 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=517, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=159, PETRI_PLACES=55, PETRI_TRANSITIONS=57} [2022-12-13 16:58:48,041 INFO L288 CegarLoopForPetriNet]: 67 programPoint places, -12 predicate places. [2022-12-13 16:58:48,041 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 57 transitions, 159 flow [2022-12-13 16:58:48,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:58:48,042 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:58:48,042 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 16:58:48,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 16:58:48,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:58:48,244 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 53 more)] === [2022-12-13 16:58:48,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:58:48,246 INFO L85 PathProgramCache]: Analyzing trace with hash 30136769, now seen corresponding path program 1 times [2022-12-13 16:58:48,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:58:48,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838475693] [2022-12-13 16:58:48,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:58:48,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:58:48,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:58:48,251 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:58:48,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5db48b-4c03-468e-9ca4-b61071b67014/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 16:58:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:58:48,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-13 16:58:48,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:58:52,110 INFO L321 Elim1Store]: treesize reduction 372, result has 28.0 percent of original size [2022-12-13 16:58:52,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 506 treesize of output 649 [2022-12-13 16:58:52,302 INFO L217 Elim1Store]: Index analysis took 124 ms [2022-12-13 16:58:59,923 WARN L233 SmtUtils]: Spent 7.62s on a formula simplification. DAG size of input: 121 DAG size of output: 54 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-13 16:58:59,923 INFO L321 Elim1Store]: treesize reduction 372, result has 28.0 percent of original size [2022-12-13 16:58:59,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 506 treesize of output 649 [2022-12-13 16:59:00,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-13 16:59:00,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-13 16:59:00,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-13 16:59:00,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-13 16:59:00,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-13 16:59:01,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-13 16:59:01,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-13 16:59:01,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-13 16:59:02,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2022-12-13 16:59:02,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-13 16:59:41,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:59:41,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:59:41,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:59:41,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:59:41,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:41,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:41,264 INFO L321 Elim1Store]: treesize reduction 124, result has 0.8 percent of original size [2022-12-13 16:59:41,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 536 treesize of output 151 [2022-12-13 16:59:41,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:41,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:41,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:41,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:41,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:41,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:41,521 INFO L321 Elim1Store]: treesize reduction 103, result has 23.1 percent of original size [2022-12-13 16:59:41,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 2823 treesize of output 3417 [2022-12-13 16:59:41,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:41,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:42,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:42,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:42,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:42,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:42,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:42,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:42,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:42,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:42,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:42,179 INFO L321 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2022-12-13 16:59:42,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 605 treesize of output 590 [2022-12-13 16:59:42,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:42,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:42,439 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-13 16:59:42,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 602 treesize of output 11 [2022-12-13 16:59:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:59:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:59:43,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:59:43,289 INFO L321 Elim1Store]: treesize reduction 79, result has 34.2 percent of original size [2022-12-13 16:59:43,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 2758 treesize of output 2575 [2022-12-13 16:59:43,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2360 treesize of output 2354 [2022-12-13 16:59:43,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2354 treesize of output 2348 [2022-12-13 16:59:43,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2348 treesize of output 2342 [2022-12-13 16:59:43,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2342 treesize of output 2336 [2022-12-13 16:59:43,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2336 treesize of output 2330 [2022-12-13 16:59:43,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2330 treesize of output 2324 [2022-12-13 16:59:43,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2324 treesize of output 2318 [2022-12-13 16:59:43,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2318 treesize of output 2312 [2022-12-13 16:59:43,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2312 treesize of output 2306 [2022-12-13 16:59:44,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2306 treesize of output 2300 [2022-12-13 16:59:44,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2300 treesize of output 2294 [2022-12-13 16:59:44,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2294 treesize of output 2288 [2022-12-13 16:59:44,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:44,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:59:44,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:59:44,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:45,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:59:47,283 INFO L321 Elim1Store]: treesize reduction 384, result has 26.3 percent of original size [2022-12-13 16:59:47,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 11 new quantified variables, introduced 35 case distinctions, treesize of input 4701 treesize of output 12061 [2022-12-13 16:59:48,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:48,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:50,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:50,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:50,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:59:52,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 17:00:16,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:00:16,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:00:16,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:00:16,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 17:00:16,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 17:00:16,934 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-13 17:00:16,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 924 treesize of output 619 [2022-12-13 17:00:17,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:00:17,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:00:17,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 17:00:17,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 17:00:17,489 INFO L321 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2022-12-13 17:00:17,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 1849 treesize of output 1384 [2022-12-13 17:00:17,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 17:00:24,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:00:24,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:00:24,194 INFO L321 Elim1Store]: treesize reduction 105, result has 0.9 percent of original size [2022-12-13 17:00:24,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 3123 treesize of output 2195 [2022-12-13 17:00:24,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2248 treesize of output 1474 [2022-12-13 17:00:24,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-13 17:00:24,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-13 17:00:24,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-13 17:00:31,162 WARN L233 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 314 DAG size of output: 102 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-13 17:00:31,162 INFO L321 Elim1Store]: treesize reduction 1104, result has 16.0 percent of original size [2022-12-13 17:00:31,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 54 case distinctions, treesize of input 24130 treesize of output 15397 [2022-12-13 17:00:32,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2022-12-13 17:00:33,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2022-12-13 17:00:34,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9