./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/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_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/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_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/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 a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:19:37,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:19:37,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:19:37,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:19:37,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:19:37,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:19:37,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:19:37,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:19:37,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:19:37,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:19:37,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:19:37,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:19:37,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:19:37,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:19:37,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:19:37,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:19:37,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:19:37,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:19:37,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:19:37,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:19:37,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:19:37,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:19:37,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:19:37,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:19:37,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:19:37,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:19:37,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:19:37,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:19:37,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:19:37,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:19:37,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:19:37,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:19:37,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:19:37,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:19:37,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:19:37,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:19:37,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:19:37,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:19:37,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:19:37,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:19:37,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:19:37,144 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-25 22:19:37,184 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:19:37,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:19:37,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:19:37,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:19:37,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:19:37,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:19:37,187 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:19:37,187 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:19:37,187 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:19:37,187 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:19:37,188 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:19:37,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:19:37,189 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:19:37,189 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:19:37,189 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:19:37,190 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:19:37,190 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:19:37,190 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:19:37,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 22:19:37,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 22:19:37,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:19:37,191 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:19:37,191 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:19:37,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:19:37,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:19:37,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:19:37,193 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 22:19:37,193 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 22:19:37,193 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 22:19:37,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:19:37,194 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:19:37,194 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:19:37,194 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:19:37,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:19:37,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:19:37,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:19:37,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:19:37,195 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:19:37,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:19:37,195 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:19:37,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:19:37,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:19:37,196 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_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2022-11-25 22:19:37,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:19:37,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:19:37,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:19:37,547 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:19:37,548 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:19:37,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-25 22:19:40,629 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:19:40,883 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:19:40,883 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-25 22:19:40,904 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/data/a81438511/6cefda1af431423b869c45c538cdb4e3/FLAGcd56b2141 [2022-11-25 22:19:40,919 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/data/a81438511/6cefda1af431423b869c45c538cdb4e3 [2022-11-25 22:19:40,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:19:40,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:19:40,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:19:40,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:19:40,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:19:40,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:19:40" (1/1) ... [2022-11-25 22:19:40,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388f58d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:40, skipping insertion in model container [2022-11-25 22:19:40,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:19:40" (1/1) ... [2022-11-25 22:19:40,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:19:41,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:19:41,535 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:41,535 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:41,536 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:41,536 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:41,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:19:41,588 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-25 22:19:41,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44e7058b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:41, skipping insertion in model container [2022-11-25 22:19:41,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:19:41,590 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:19:41,592 INFO L158 Benchmark]: Toolchain (without parser) took 667.89ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 74.5MB in the beginning and 157.3MB in the end (delta: -82.8MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-11-25 22:19:41,593 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:19:41,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 660.75ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 74.3MB in the beginning and 157.3MB in the end (delta: -83.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-11-25 22:19:41,595 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 is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 660.75ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 74.3MB in the beginning and 157.3MB in the end (delta: -83.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1038]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/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_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/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_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/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 a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:19:43,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:19:43,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:19:43,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:19:43,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:19:43,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:19:43,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:19:43,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:19:43,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:19:43,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:19:43,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:19:43,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:19:43,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:19:43,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:19:43,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:19:43,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:19:43,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:19:43,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:19:43,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:19:43,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:19:43,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:19:43,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:19:43,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:19:43,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:19:43,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:19:43,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:19:43,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:19:43,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:19:44,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:19:44,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:19:44,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:19:44,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:19:44,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:19:44,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:19:44,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:19:44,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:19:44,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:19:44,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:19:44,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:19:44,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:19:44,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:19:44,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-25 22:19:44,073 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:19:44,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:19:44,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:19:44,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:19:44,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:19:44,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:19:44,076 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:19:44,076 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:19:44,076 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:19:44,076 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:19:44,077 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:19:44,078 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:19:44,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 22:19:44,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 22:19:44,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:19:44,079 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:19:44,079 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:19:44,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:19:44,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:19:44,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:19:44,080 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 22:19:44,080 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 22:19:44,081 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 22:19:44,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:19:44,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:19:44,081 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:19:44,081 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:19:44,082 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:19:44,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:19:44,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:19:44,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:19:44,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:19:44,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:19:44,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:19:44,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:19:44,084 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:19:44,084 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:19:44,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:19:44,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:19:44,084 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_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2022-11-25 22:19:44,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:19:44,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:19:44,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:19:44,513 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:19:44,514 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:19:44,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-25 22:19:47,739 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:19:48,027 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:19:48,028 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-25 22:19:48,042 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/data/ef0963a67/40f21657d092487294cf436e454cdd9d/FLAG25ba220ef [2022-11-25 22:19:48,056 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/data/ef0963a67/40f21657d092487294cf436e454cdd9d [2022-11-25 22:19:48,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:19:48,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:19:48,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:19:48,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:19:48,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:19:48,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:48,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2398d90e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48, skipping insertion in model container [2022-11-25 22:19:48,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:48,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:19:48,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:19:48,659 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:48,660 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:48,662 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:48,664 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:48,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:19:48,740 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 22:19:48,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:19:48,788 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:48,788 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:48,788 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:48,789 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:48,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:19:48,805 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:19:48,836 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:48,837 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:48,837 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:48,838 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:19:48,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:19:48,921 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:19:48,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48 WrapperNode [2022-11-25 22:19:48,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:19:48,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:19:48,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:19:48,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:19:48,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:48,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:48,992 INFO L138 Inliner]: procedures = 275, calls = 35, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 126 [2022-11-25 22:19:48,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:19:48,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:19:48,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:19:48,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:19:49,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:49,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:49,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:49,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:49,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:49,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:49,024 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:49,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:49,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:19:49,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:19:49,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:19:49,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:19:49,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48" (1/1) ... [2022-11-25 22:19:49,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:19:49,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:19:49,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:19:49,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681e40e0-5e1d-4f8d-b722-3cc3a7271ef1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:19:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 22:19:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-25 22:19:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-25 22:19:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:19:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:19:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:19:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 22:19:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 22:19:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:19:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:19:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:19:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:19:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:19:49,108 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 22:19:49,271 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:19:49,274 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:19:49,893 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:19:49,901 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:19:49,901 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 22:19:49,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:19:49 BoogieIcfgContainer [2022-11-25 22:19:49,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:19:49,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:19:49,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:19:49,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:19:49,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:19:48" (1/3) ... [2022-11-25 22:19:49,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eddf09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:19:49, skipping insertion in model container [2022-11-25 22:19:49,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:19:48" (2/3) ... [2022-11-25 22:19:49,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eddf09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:19:49, skipping insertion in model container [2022-11-25 22:19:49,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:19:49" (3/3) ... [2022-11-25 22:19:49,913 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_22-nocollapse.i [2022-11-25 22:19:49,932 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:19:49,932 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-25 22:19:49,933 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 22:19:50,115 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 22:19:50,157 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 22:19:50,172 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 231 transitions, 472 flow [2022-11-25 22:19:50,175 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 231 transitions, 472 flow [2022-11-25 22:19:50,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 223 places, 231 transitions, 472 flow [2022-11-25 22:19:50,256 INFO L130 PetriNetUnfolder]: 15/229 cut-off events. [2022-11-25 22:19:50,256 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 22:19:50,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 229 events. 15/229 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 661 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 168. Up to 2 conditions per place. [2022-11-25 22:19:50,276 INFO L119 LiptonReduction]: Number of co-enabled transitions 8134 [2022-11-25 22:22:09,795 WARN L233 SmtUtils]: Spent 10.37s 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) [2022-11-25 22:22:21,549 WARN L233 SmtUtils]: Spent 11.75s 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) [2022-11-25 22:22:29,855 WARN L233 SmtUtils]: Spent 8.30s 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) [2022-11-25 22:22:38,974 WARN L233 SmtUtils]: Spent 9.12s 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) [2022-11-25 22:22:59,935 WARN L233 SmtUtils]: Spent 20.96s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:23:17,216 WARN L233 SmtUtils]: Spent 17.28s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:23:32,050 WARN L233 SmtUtils]: Spent 14.83s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:23:46,946 WARN L233 SmtUtils]: Spent 14.89s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:24:02,631 WARN L233 SmtUtils]: Spent 14.05s 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) [2022-11-25 22:24:09,346 WARN L233 SmtUtils]: Spent 6.71s 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) [2022-11-25 22:24:25,878 WARN L233 SmtUtils]: Spent 16.53s 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) [2022-11-25 22:24:33,784 WARN L233 SmtUtils]: Spent 7.90s 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) [2022-11-25 22:24:45,068 WARN L233 SmtUtils]: Spent 11.28s 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) [2022-11-25 22:24:51,288 WARN L233 SmtUtils]: Spent 6.22s 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) [2022-11-25 22:25:02,180 WARN L233 SmtUtils]: Spent 10.89s 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) [2022-11-25 22:25:07,620 WARN L233 SmtUtils]: Spent 5.44s 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) [2022-11-25 22:25:19,454 WARN L233 SmtUtils]: Spent 11.82s on a formula simplification. DAG size of input: 159 DAG size of output: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:25:27,003 WARN L233 SmtUtils]: Spent 7.55s 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) [2022-11-25 22:25:40,654 WARN L233 SmtUtils]: Spent 13.65s 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) [2022-11-25 22:25:47,260 WARN L233 SmtUtils]: Spent 6.60s 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) [2022-11-25 22:26:02,982 WARN L233 SmtUtils]: Spent 14.76s 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) [2022-11-25 22:26:09,351 WARN L233 SmtUtils]: Spent 6.37s 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) [2022-11-25 22:26:23,615 WARN L233 SmtUtils]: Spent 14.26s 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) [2022-11-25 22:26:30,643 WARN L233 SmtUtils]: Spent 7.03s 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) [2022-11-25 22:28:30,538 WARN L233 SmtUtils]: Spent 2.00m 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) [2022-11-25 22:29:26,126 WARN L233 SmtUtils]: Spent 55.59s 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) [2022-11-25 22:31:34,713 WARN L233 SmtUtils]: Spent 2.14m 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) [2022-11-25 22:32:31,805 WARN L233 SmtUtils]: Spent 57.08s 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) [2022-11-25 22:34:33,662 WARN L233 SmtUtils]: Spent 1.94m on a formula simplification that was a NOOP. DAG size: 220 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)