./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b 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_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS --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 e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 --- 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-8393723 [2022-11-19 07:44:21,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:44:21,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:44:21,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:44:21,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:44:21,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:44:21,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:44:21,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:44:21,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:44:21,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:44:21,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:44:21,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:44:21,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:44:21,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:44:21,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:44:21,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:44:21,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:44:21,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:44:21,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:44:21,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:44:21,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:44:21,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:44:21,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:44:21,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:44:21,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:44:21,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:44:21,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:44:21,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:44:21,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:44:21,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:44:21,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:44:21,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:44:21,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:44:21,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:44:21,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:44:21,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:44:21,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:44:21,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:44:21,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:44:21,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:44:21,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:44:21,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-19 07:44:21,917 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:44:21,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:44:21,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:44:21,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:44:21,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:44:21,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:44:21,920 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:44:21,920 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:44:21,921 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:44:21,921 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:44:21,922 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:44:21,922 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:44:21,923 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:44:21,923 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:44:21,923 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:44:21,923 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:44:21,924 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:44:21,924 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:44:21,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 07:44:21,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 07:44:21,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:44:21,927 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:44:21,927 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:44:21,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:44:21,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:44:21,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:44:21,928 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 07:44:21,928 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 07:44:21,929 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 07:44:21,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:44:21,929 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:44:21,930 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:44:21,930 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:44:21,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:44:21,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:44:21,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:44:21,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:44:21,931 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:44:21,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:44:21,932 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:44:21,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:44:21,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:44:21,933 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_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 [2022-11-19 07:44:22,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:44:22,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:44:22,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:44:22,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:44:22,271 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:44:22,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2022-11-19 07:44:22,342 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/data/2ed96a0a2/08c5a3972313414eb71f5858fe8fe58d/FLAG82a6eef68 [2022-11-19 07:44:23,078 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:44:23,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2022-11-19 07:44:23,106 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/data/2ed96a0a2/08c5a3972313414eb71f5858fe8fe58d/FLAG82a6eef68 [2022-11-19 07:44:23,249 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/data/2ed96a0a2/08c5a3972313414eb71f5858fe8fe58d [2022-11-19 07:44:23,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:44:23,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:44:23,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:44:23,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:44:23,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:44:23,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:23" (1/1) ... [2022-11-19 07:44:23,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ae80c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:23, skipping insertion in model container [2022-11-19 07:44:23,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:23" (1/1) ... [2022-11-19 07:44:23,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:44:23,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:44:24,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:44:24,129 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) [2022-11-19 07:44:24,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b2c322d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:24, skipping insertion in model container [2022-11-19 07:44:24,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:44:24,131 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:44:24,134 INFO L158 Benchmark]: Toolchain (without parser) took 878.24ms. Allocated memory is still 123.7MB. Free memory was 81.5MB in the beginning and 94.3MB in the end (delta: -12.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-11-19 07:44:24,137 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory was 100.4MB in the beginning and 100.3MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:44:24,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 870.74ms. Allocated memory is still 123.7MB. Free memory was 81.3MB in the beginning and 94.7MB in the end (delta: -13.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-11-19 07:44:24,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory was 100.4MB in the beginning and 100.3MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 870.74ms. Allocated memory is still 123.7MB. Free memory was 81.3MB in the beginning and 94.7MB in the end (delta: -13.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1239]: 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_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS --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 e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 --- 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-8393723 [2022-11-19 07:44:26,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:44:26,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:44:26,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:44:26,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:44:26,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:44:26,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:44:26,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:44:26,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:44:26,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:44:26,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:44:26,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:44:26,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:44:26,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:44:26,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:44:26,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:44:26,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:44:26,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:44:26,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:44:26,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:44:26,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:44:26,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:44:26,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:44:26,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:44:26,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:44:26,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:44:26,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:44:26,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:44:26,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:44:26,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:44:26,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:44:26,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:44:26,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:44:26,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:44:26,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:44:26,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:44:26,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:44:26,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:44:26,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:44:26,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:44:26,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:44:26,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-19 07:44:26,588 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:44:26,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:44:26,589 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:44:26,589 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:44:26,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:44:26,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:44:26,591 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:44:26,591 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:44:26,591 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:44:26,592 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:44:26,593 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:44:26,593 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:44:26,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 07:44:26,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 07:44:26,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:44:26,595 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:44:26,595 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:44:26,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:44:26,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:44:26,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:44:26,596 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 07:44:26,596 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 07:44:26,597 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 07:44:26,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:44:26,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:44:26,597 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:44:26,597 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:44:26,598 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:44:26,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:44:26,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:44:26,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:44:26,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:44:26,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:44:26,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:44:26,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:44:26,600 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:44:26,600 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:44:26,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:44:26,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:44:26,601 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_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 [2022-11-19 07:44:27,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:44:27,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:44:27,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:44:27,074 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:44:27,075 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:44:27,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2022-11-19 07:44:27,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/data/d24d2be54/1cfd46b737a54e2987aad6cf6d82f955/FLAGc75f517ab [2022-11-19 07:44:27,978 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:44:27,979 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2022-11-19 07:44:28,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/data/d24d2be54/1cfd46b737a54e2987aad6cf6d82f955/FLAGc75f517ab [2022-11-19 07:44:28,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/data/d24d2be54/1cfd46b737a54e2987aad6cf6d82f955 [2022-11-19 07:44:28,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:44:28,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:44:28,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:44:28,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:44:28,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:44:28,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:28" (1/1) ... [2022-11-19 07:44:28,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35baab57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:28, skipping insertion in model container [2022-11-19 07:44:28,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:28" (1/1) ... [2022-11-19 07:44:28,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:44:28,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:44:29,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:44:29,244 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-19 07:44:29,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:44:29,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:44:29,336 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:44:29,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:44:29,527 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:44:29,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29 WrapperNode [2022-11-19 07:44:29,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:44:29,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:44:29,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:44:29,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:44:29,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29" (1/1) ... [2022-11-19 07:44:29,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29" (1/1) ... [2022-11-19 07:44:29,618 INFO L138 Inliner]: procedures = 369, calls = 31, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 98 [2022-11-19 07:44:29,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:44:29,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:44:29,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:44:29,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:44:29,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29" (1/1) ... [2022-11-19 07:44:29,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29" (1/1) ... [2022-11-19 07:44:29,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29" (1/1) ... [2022-11-19 07:44:29,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29" (1/1) ... [2022-11-19 07:44:29,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29" (1/1) ... [2022-11-19 07:44:29,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29" (1/1) ... [2022-11-19 07:44:29,662 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29" (1/1) ... [2022-11-19 07:44:29,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29" (1/1) ... [2022-11-19 07:44:29,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:44:29,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:44:29,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:44:29,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:44:29,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29" (1/1) ... [2022-11-19 07:44:29,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:44:29,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:44:29,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:44:29,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cf1bd0-8603-44ea-8fda-9dc4ca8af76f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:44:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 07:44:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:44:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:44:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:44:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 07:44:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-19 07:44:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 07:44:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:44:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:44:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:44:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-19 07:44:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-19 07:44:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:44:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:44:29,783 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:44:29,986 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:44:29,989 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:44:30,778 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:44:30,788 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:44:30,788 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:44:30,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:30 BoogieIcfgContainer [2022-11-19 07:44:30,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:44:30,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:44:30,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:44:30,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:44:30,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:28" (1/3) ... [2022-11-19 07:44:30,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bc9dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:30, skipping insertion in model container [2022-11-19 07:44:30,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:29" (2/3) ... [2022-11-19 07:44:30,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bc9dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:30, skipping insertion in model container [2022-11-19 07:44:30,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:30" (3/3) ... [2022-11-19 07:44:30,804 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_06-ptra_nr.i [2022-11-19 07:44:30,831 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:44:30,832 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-11-19 07:44:30,832 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:44:30,997 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:44:31,044 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:44:31,072 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 149 transitions, 303 flow [2022-11-19 07:44:31,075 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 149 transitions, 303 flow [2022-11-19 07:44:31,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 149 transitions, 303 flow [2022-11-19 07:44:31,146 INFO L130 PetriNetUnfolder]: 0/148 cut-off events. [2022-11-19 07:44:31,146 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 07:44:31,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 148 events. 0/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 158 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-19 07:44:31,152 INFO L119 LiptonReduction]: Number of co-enabled transitions 1924 [2022-11-19 07:45:21,420 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 136 DAG size of output: 128 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:47:36,892 WARN L233 SmtUtils]: Spent 1.99m on a formula simplification. DAG size of input: 202 DAG size of output: 194 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:48:27,748 WARN L233 SmtUtils]: Spent 50.85s on a formula simplification that was a NOOP. DAG size: 184 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:50:47,414 WARN L233 SmtUtils]: Spent 2.33m on a formula simplification. DAG size of input: 203 DAG size of output: 194 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:51:46,843 WARN L233 SmtUtils]: Spent 59.42s on a formula simplification that was a NOOP. DAG size: 184 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:52:21,757 WARN L233 SmtUtils]: Spent 34.52s on a formula simplification. DAG size of input: 149 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:52:41,806 WARN L233 SmtUtils]: Spent 20.05s 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) [2022-11-19 07:53:14,709 WARN L233 SmtUtils]: Spent 32.90s on a formula simplification. DAG size of input: 149 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:53:29,059 WARN L233 SmtUtils]: Spent 14.35s 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) [2022-11-19 07:55:34,631 WARN L233 SmtUtils]: Spent 1.84m on a formula simplification. DAG size of input: 214 DAG size of output: 210 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:56:15,142 WARN L233 SmtUtils]: Spent 40.50s on a formula simplification that was a NOOP. DAG size: 192 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:58:07,811 WARN L233 SmtUtils]: Spent 1.88m on a formula simplification. DAG size of input: 214 DAG size of output: 210 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:59:01,789 WARN L233 SmtUtils]: Spent 53.97s on a formula simplification that was a NOOP. DAG size: 194 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)