./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:18:15,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:18:15,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:18:15,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:18:15,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:18:15,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:18:15,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:18:15,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:18:15,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:18:15,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:18:15,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:18:15,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:18:15,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:18:16,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:18:16,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:18:16,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:18:16,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:18:16,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:18:16,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:18:16,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:18:16,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:18:16,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:18:16,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:18:16,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:18:16,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:18:16,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:18:16,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:18:16,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:18:16,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:18:16,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:18:16,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:18:16,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:18:16,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:18:16,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:18:16,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:18:16,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:18:16,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:18:16,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:18:16,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:18:16,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:18:16,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:18:16,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-26 00:18:16,088 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:18:16,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:18:16,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:18:16,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:18:16,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:18:16,093 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:18:16,093 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:18:16,093 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:18:16,094 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:18:16,094 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:18:16,095 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:18:16,095 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:18:16,096 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:18:16,096 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:18:16,096 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:18:16,096 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:18:16,097 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:18:16,097 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:18:16,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:18:16,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:18:16,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:18:16,099 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:18:16,099 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:18:16,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:18:16,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:18:16,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:18:16,100 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:18:16,100 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:18:16,101 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:18:16,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:18:16,101 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:18:16,102 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:18:16,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:18:16,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:18:16,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:18:16,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:18:16,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:18:16,103 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:18:16,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:18:16,103 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:18:16,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:18:16,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:18:16,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2022-11-26 00:18:16,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:18:16,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:18:16,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:18:16,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:18:16,480 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:18:16,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-26 00:18:19,483 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:18:19,758 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:18:19,766 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-26 00:18:19,795 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/data/d8e60b78e/b1cbcc5cbfa44ff5bf733d726e2050c9/FLAGfa47287a2 [2022-11-26 00:18:19,819 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/data/d8e60b78e/b1cbcc5cbfa44ff5bf733d726e2050c9 [2022-11-26 00:18:19,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:18:19,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:18:19,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:18:19,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:18:19,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:18:19,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:18:19" (1/1) ... [2022-11-26 00:18:19,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65379992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:19, skipping insertion in model container [2022-11-26 00:18:19,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:18:19" (1/1) ... [2022-11-26 00:18:19,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:18:19,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:18:20,375 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:20,375 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:20,377 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:20,379 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:20,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:18:20,458 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-26 00:18:20,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61e09b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:20, skipping insertion in model container [2022-11-26 00:18:20,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:18:20,459 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:18:20,461 INFO L158 Benchmark]: Toolchain (without parser) took 636.67ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 72.1MB in the beginning and 144.6MB in the end (delta: -72.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-11-26 00:18:20,462 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory was 105.9MB in the beginning and 105.8MB in the end (delta: 74.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:18:20,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.04ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 71.9MB in the beginning and 144.6MB in the end (delta: -72.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-11-26 00:18:20,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory was 105.9MB in the beginning and 105.8MB in the end (delta: 74.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 634.04ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 71.9MB in the beginning and 144.6MB in the end (delta: -72.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1045]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:18:22,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:18:22,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:18:22,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:18:22,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:18:22,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:18:22,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:18:22,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:18:22,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:18:22,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:18:22,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:18:22,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:18:22,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:18:22,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:18:22,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:18:22,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:18:22,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:18:22,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:18:22,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:18:22,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:18:22,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:18:22,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:18:22,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:18:22,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:18:22,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:18:22,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:18:22,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:18:22,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:18:22,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:18:22,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:18:22,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:18:22,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:18:22,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:18:22,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:18:22,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:18:22,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:18:22,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:18:22,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:18:22,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:18:22,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:18:22,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:18:22,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-26 00:18:22,846 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:18:22,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:18:22,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:18:22,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:18:22,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:18:22,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:18:22,848 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:18:22,848 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:18:22,848 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:18:22,848 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:18:22,848 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:18:22,849 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:18:22,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:18:22,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:18:22,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:18:22,850 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:18:22,850 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:18:22,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:18:22,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:18:22,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:18:22,851 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:18:22,851 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:18:22,851 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:18:22,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:18:22,851 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:18:22,852 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:18:22,853 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:18:22,854 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:18:22,854 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:18:22,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:18:22,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:18:22,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:18:22,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:18:22,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:18:22,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:18:22,856 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:18:22,857 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:18:22,857 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:18:22,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:18:22,857 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2022-11-26 00:18:23,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:18:23,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:18:23,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:18:23,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:18:23,289 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:18:23,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-26 00:18:26,327 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:18:26,613 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:18:26,614 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-26 00:18:26,628 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/data/a293baf1a/3268ec65301f4581b1ab65609846639e/FLAGb669d6141 [2022-11-26 00:18:26,644 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/data/a293baf1a/3268ec65301f4581b1ab65609846639e [2022-11-26 00:18:26,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:18:26,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:18:26,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:18:26,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:18:26,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:18:26,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:18:26" (1/1) ... [2022-11-26 00:18:26,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d28619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:26, skipping insertion in model container [2022-11-26 00:18:26,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:18:26" (1/1) ... [2022-11-26 00:18:26,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:18:26,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:18:27,229 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:27,230 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:27,230 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:27,231 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:27,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:18:27,277 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-26 00:18:27,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:18:27,328 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:27,328 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:27,329 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:27,329 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:27,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:18:27,348 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:18:27,378 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:27,378 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:27,379 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:27,379 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-26 00:18:27,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:18:27,450 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:18:27,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27 WrapperNode [2022-11-26 00:18:27,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:18:27,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:18:27,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:18:27,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:18:27,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27" (1/1) ... [2022-11-26 00:18:27,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27" (1/1) ... [2022-11-26 00:18:27,528 INFO L138 Inliner]: procedures = 276, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 153 [2022-11-26 00:18:27,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:18:27,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:18:27,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:18:27,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:18:27,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27" (1/1) ... [2022-11-26 00:18:27,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27" (1/1) ... [2022-11-26 00:18:27,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27" (1/1) ... [2022-11-26 00:18:27,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27" (1/1) ... [2022-11-26 00:18:27,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27" (1/1) ... [2022-11-26 00:18:27,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27" (1/1) ... [2022-11-26 00:18:27,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27" (1/1) ... [2022-11-26 00:18:27,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27" (1/1) ... [2022-11-26 00:18:27,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:18:27,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:18:27,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:18:27,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:18:27,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27" (1/1) ... [2022-11-26 00:18:27,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:18:27,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:18:27,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:18:27,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6366888-eedb-4baf-a863-17069b3c8b31/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:18:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 00:18:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-26 00:18:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-26 00:18:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:18:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:18:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:18:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 00:18:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-26 00:18:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:18:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:18:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:18:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:18:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:18:27,666 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:18:27,866 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:18:27,868 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:18:28,591 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:18:28,600 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:18:28,600 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-26 00:18:28,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:18:28 BoogieIcfgContainer [2022-11-26 00:18:28,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:18:28,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:18:28,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:18:28,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:18:28,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:18:26" (1/3) ... [2022-11-26 00:18:28,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f80ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:18:28, skipping insertion in model container [2022-11-26 00:18:28,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:27" (2/3) ... [2022-11-26 00:18:28,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f80ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:18:28, skipping insertion in model container [2022-11-26 00:18:28,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:18:28" (3/3) ... [2022-11-26 00:18:28,612 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2022-11-26 00:18:28,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:18:28,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-11-26 00:18:28,633 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 00:18:28,798 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-26 00:18:28,854 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 00:18:28,882 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 275 transitions, 560 flow [2022-11-26 00:18:28,894 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 275 transitions, 560 flow [2022-11-26 00:18:28,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 275 transitions, 560 flow [2022-11-26 00:18:29,079 INFO L130 PetriNetUnfolder]: 17/273 cut-off events. [2022-11-26 00:18:29,080 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-26 00:18:29,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 273 events. 17/273 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 736 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 212. Up to 2 conditions per place. [2022-11-26 00:18:29,096 INFO L119 LiptonReduction]: Number of co-enabled transitions 8134 [2022-11-26 00:20:44,362 WARN L233 SmtUtils]: Spent 18.77s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:21:02,310 WARN L233 SmtUtils]: Spent 17.95s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:21:23,556 WARN L233 SmtUtils]: Spent 21.24s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:21:41,586 WARN L233 SmtUtils]: Spent 18.03s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:21:57,927 WARN L233 SmtUtils]: Spent 16.34s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:22:06,834 WARN L233 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:22:21,868 WARN L233 SmtUtils]: Spent 15.03s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:22:33,785 WARN L233 SmtUtils]: Spent 11.91s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:22:53,068 WARN L233 SmtUtils]: Spent 18.48s on a formula simplification. DAG size of input: 175 DAG size of output: 167 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:23:01,545 WARN L233 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:23:16,381 WARN L233 SmtUtils]: Spent 14.83s on a formula simplification. DAG size of input: 175 DAG size of output: 167 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:23:23,013 WARN L233 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:23:38,030 WARN L233 SmtUtils]: Spent 14.53s on a formula simplification. DAG size of input: 159 DAG size of output: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:23:43,908 WARN L233 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:23:56,045 WARN L233 SmtUtils]: Spent 12.13s on a formula simplification. DAG size of input: 159 DAG size of output: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:24:02,481 WARN L233 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:24:15,393 WARN L233 SmtUtils]: Spent 12.74s on a formula simplification. DAG size of input: 156 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:24:20,864 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:24:34,688 WARN L233 SmtUtils]: Spent 13.82s on a formula simplification. DAG size of input: 156 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:24:40,118 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:24:55,982 WARN L233 SmtUtils]: Spent 14.80s on a formula simplification. DAG size of input: 171 DAG size of output: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:25:02,674 WARN L233 SmtUtils]: Spent 6.69s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:25:16,859 WARN L233 SmtUtils]: Spent 14.18s on a formula simplification. DAG size of input: 171 DAG size of output: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:25:23,407 WARN L233 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:27:41,233 WARN L233 SmtUtils]: Spent 2.27m on a formula simplification. DAG size of input: 218 DAG size of output: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:28:35,128 WARN L233 SmtUtils]: Spent 53.89s on a formula simplification that was a NOOP. DAG size: 200 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:30:35,893 WARN L233 SmtUtils]: Spent 2.01m on a formula simplification. DAG size of input: 218 DAG size of output: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:31:33,068 WARN L233 SmtUtils]: Spent 57.17s on a formula simplification that was a NOOP. DAG size: 200 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)