./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/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_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/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_68adc3dc-b634-4d17-b551-697f5704d2da/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 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- 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 22:18:33,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:18:33,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:18:33,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:18:33,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:18:33,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:18:33,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:18:33,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:18:33,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:18:33,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:18:33,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:18:33,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:18:33,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:18:33,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:18:33,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:18:33,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:18:33,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:18:33,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:18:33,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:18:33,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:18:33,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:18:33,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:18:33,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:18:33,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:18:33,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:18:33,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:18:33,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:18:33,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:18:33,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:18:33,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:18:33,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:18:33,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:18:33,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:18:33,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:18:33,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:18:33,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:18:33,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:18:33,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:18:33,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:18:33,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:18:33,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:18:33,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-25 22:18:33,812 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:18:33,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:18:33,813 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:18:33,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:18:33,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:18:33,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:18:33,815 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:18:33,815 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:18:33,815 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:18:33,816 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:18:33,816 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:18:33,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:18:33,816 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:18:33,817 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:18:33,817 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:18:33,817 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:18:33,818 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:18:33,818 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:18:33,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 22:18:33,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 22:18:33,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:18:33,820 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:18:33,820 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:18:33,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:18:33,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:18:33,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:18:33,821 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 22:18:33,821 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 22:18:33,821 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 22:18:33,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:18:33,822 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:18:33,822 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:18:33,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:18:33,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:18:33,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:18:33,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:18:33,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:18:33,824 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:18:33,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:18:33,824 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:18:33,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:18:33,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:18:33,825 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_68adc3dc-b634-4d17-b551-697f5704d2da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2022-11-25 22:18:34,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:18:34,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:18:34,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:18:34,074 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:18:34,074 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:18:34,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-25 22:18:37,204 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:18:37,471 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:18:37,472 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-25 22:18:37,507 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/data/aad508603/8cd50022d5964957ae2a19fcf49376ca/FLAG5a8236f3a [2022-11-25 22:18:37,525 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/data/aad508603/8cd50022d5964957ae2a19fcf49376ca [2022-11-25 22:18:37,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:18:37,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:18:37,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:18:37,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:18:37,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:18:37,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:18:37" (1/1) ... [2022-11-25 22:18:37,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6219b713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:37, skipping insertion in model container [2022-11-25 22:18:37,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:18:37" (1/1) ... [2022-11-25 22:18:37,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:18:37,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:18:38,113 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:38,114 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:38,115 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:38,117 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:38,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:18:38,188 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 22:18:38,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19d01556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:38, skipping insertion in model container [2022-11-25 22:18:38,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:18:38,189 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:18:38,192 INFO L158 Benchmark]: Toolchain (without parser) took 661.70ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 49.3MB in the beginning and 128.4MB in the end (delta: -79.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-11-25 22:18:38,192 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:18:38,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.01ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 49.0MB in the beginning and 128.4MB in the end (delta: -79.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-11-25 22:18:38,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.01ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 49.0MB in the beginning and 128.4MB in the end (delta: -79.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1031]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/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_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/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_68adc3dc-b634-4d17-b551-697f5704d2da/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 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- 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 22:18:40,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:18:40,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:18:40,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:18:40,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:18:40,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:18:40,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:18:40,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:18:40,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:18:40,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:18:40,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:18:40,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:18:40,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:18:40,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:18:40,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:18:40,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:18:40,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:18:40,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:18:40,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:18:40,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:18:40,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:18:40,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:18:40,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:18:40,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:18:40,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:18:40,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:18:40,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:18:40,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:18:40,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:18:40,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:18:40,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:18:40,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:18:40,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:18:40,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:18:40,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:18:40,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:18:40,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:18:40,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:18:40,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:18:40,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:18:40,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:18:40,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-25 22:18:40,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:18:40,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:18:40,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:18:40,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:18:40,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:18:40,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:18:40,640 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:18:40,640 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:18:40,641 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:18:40,641 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:18:40,642 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:18:40,642 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:18:40,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 22:18:40,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 22:18:40,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:18:40,644 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:18:40,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:18:40,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:18:40,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:18:40,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:18:40,645 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 22:18:40,645 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 22:18:40,645 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 22:18:40,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:18:40,646 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:18:40,646 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:18:40,646 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:18:40,647 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:18:40,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:18:40,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:18:40,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:18:40,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:18:40,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:18:40,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:18:40,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:18:40,649 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:18:40,649 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:18:40,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:18:40,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:18:40,650 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_68adc3dc-b634-4d17-b551-697f5704d2da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2022-11-25 22:18:41,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:18:41,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:18:41,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:18:41,052 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:18:41,052 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:18:41,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-25 22:18:44,108 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:18:44,470 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:18:44,470 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2022-11-25 22:18:44,485 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/data/bd00bc30d/86ef0a95122e4062afe4c828eeaa44f7/FLAGa37e1467d [2022-11-25 22:18:44,510 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/data/bd00bc30d/86ef0a95122e4062afe4c828eeaa44f7 [2022-11-25 22:18:44,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:18:44,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:18:44,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:18:44,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:18:44,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:18:44,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:18:44" (1/1) ... [2022-11-25 22:18:44,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fdf4c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:44, skipping insertion in model container [2022-11-25 22:18:44,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:18:44" (1/1) ... [2022-11-25 22:18:44,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:18:44,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:18:45,080 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:45,081 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:45,083 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:45,084 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:45,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:18:45,162 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 22:18:45,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:18:45,253 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:45,253 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:45,254 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:45,254 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:45,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:18:45,283 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:18:45,331 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:45,331 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:45,333 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:45,333 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 22:18:45,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:18:45,433 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:18:45,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45 WrapperNode [2022-11-25 22:18:45,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:18:45,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:18:45,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:18:45,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:18:45,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45" (1/1) ... [2022-11-25 22:18:45,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45" (1/1) ... [2022-11-25 22:18:45,488 INFO L138 Inliner]: procedures = 274, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2022-11-25 22:18:45,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:18:45,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:18:45,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:18:45,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:18:45,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45" (1/1) ... [2022-11-25 22:18:45,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45" (1/1) ... [2022-11-25 22:18:45,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45" (1/1) ... [2022-11-25 22:18:45,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45" (1/1) ... [2022-11-25 22:18:45,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45" (1/1) ... [2022-11-25 22:18:45,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45" (1/1) ... [2022-11-25 22:18:45,521 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45" (1/1) ... [2022-11-25 22:18:45,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45" (1/1) ... [2022-11-25 22:18:45,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:18:45,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:18:45,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:18:45,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:18:45,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45" (1/1) ... [2022-11-25 22:18:45,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:18:45,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:18:45,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:18:45,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc3dc-b634-4d17-b551-697f5704d2da/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:18:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 22:18:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-25 22:18:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-25 22:18:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:18:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:18:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:18:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 22:18:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 22:18:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:18:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:18:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:18:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:18:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:18:45,645 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 22:18:45,855 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:18:45,858 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:18:46,512 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:18:46,522 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:18:46,525 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 22:18:46,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:18:46 BoogieIcfgContainer [2022-11-25 22:18:46,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:18:46,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:18:46,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:18:46,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:18:46,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:18:44" (1/3) ... [2022-11-25 22:18:46,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c07169a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:18:46, skipping insertion in model container [2022-11-25 22:18:46,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:45" (2/3) ... [2022-11-25 22:18:46,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c07169a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:18:46, skipping insertion in model container [2022-11-25 22:18:46,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:18:46" (3/3) ... [2022-11-25 22:18:46,538 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_21-arrayloop2_nr.i [2022-11-25 22:18:46,556 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:18:46,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-25 22:18:46,557 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 22:18:46,684 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 22:18:46,720 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 22:18:46,736 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 218 transitions, 446 flow [2022-11-25 22:18:46,739 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 218 transitions, 446 flow [2022-11-25 22:18:46,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 218 transitions, 446 flow [2022-11-25 22:18:46,861 INFO L130 PetriNetUnfolder]: 14/216 cut-off events. [2022-11-25 22:18:46,861 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 22:18:46,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 216 events. 14/216 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 635 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 155. Up to 2 conditions per place. [2022-11-25 22:18:46,874 INFO L119 LiptonReduction]: Number of co-enabled transitions 8134 [2022-11-25 22:20:22,273 WARN L233 SmtUtils]: Spent 7.56s on a formula simplification. DAG size of input: 123 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:20:32,613 WARN L233 SmtUtils]: Spent 7.02s on a formula simplification. DAG size of input: 123 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:21:00,190 WARN L233 SmtUtils]: Spent 6.79s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:21:06,917 WARN L233 SmtUtils]: Spent 6.73s 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 22:21:13,832 WARN L233 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:21:21,589 WARN L233 SmtUtils]: Spent 7.76s 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 22:21:27,199 WARN L233 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:21:33,557 WARN L233 SmtUtils]: Spent 6.36s 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 22:21:39,016 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:21:45,160 WARN L233 SmtUtils]: Spent 6.14s 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 22:21:51,567 WARN L233 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:21:57,501 WARN L233 SmtUtils]: Spent 5.93s 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 22:22:06,579 WARN L233 SmtUtils]: Spent 5.04s 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 22:22:12,644 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:22:18,563 WARN L233 SmtUtils]: Spent 5.92s 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 22:22:24,212 WARN L233 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:22:30,100 WARN L233 SmtUtils]: Spent 5.89s 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 22:24:20,721 WARN L233 SmtUtils]: Spent 1.84m on a formula simplification. DAG size of input: 212 DAG size of output: 204 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:25:25,396 WARN L233 SmtUtils]: Spent 1.08m 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 22:27:21,727 WARN L233 SmtUtils]: Spent 1.94m on a formula simplification. DAG size of input: 212 DAG size of output: 204 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:28:11,723 WARN L233 SmtUtils]: Spent 49.99s 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 22:30:11,299 WARN L233 SmtUtils]: Spent 1.89m 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) [2022-11-25 22:32:04,283 WARN L233 SmtUtils]: Spent 1.88m on a formula simplification that was a NOOP. DAG size: 212 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 22:34:00,108 WARN L233 SmtUtils]: Spent 1.93m 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)