./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:48:41,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:48:41,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:48:41,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:48:41,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:48:41,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:48:41,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:48:41,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:48:41,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:48:41,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:48:41,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:48:41,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:48:41,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:48:41,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:48:41,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:48:41,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:48:41,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:48:41,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:48:41,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:48:41,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:48:41,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:48:41,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:48:41,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:48:41,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:48:41,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:48:41,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:48:41,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:48:41,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:48:41,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:48:41,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:48:41,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:48:41,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:48:41,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:48:41,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:48:41,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:48:41,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:48:41,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:48:41,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:48:41,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:48:41,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:48:41,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:48:41,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:48:41,979 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:48:41,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:48:41,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:48:41,982 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:48:41,982 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:48:41,983 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:48:41,983 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:48:41,983 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:48:41,990 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:48:41,991 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:48:41,992 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:48:41,992 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:48:41,993 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:48:41,993 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:48:41,993 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:48:41,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:48:41,995 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:48:41,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:48:41,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:48:41,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:48:41,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:48:41,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:48:41,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:48:41,997 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:48:41,997 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:48:41,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:48:41,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:48:41,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:48:41,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:48:42,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:48:42,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:48:42,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:48:42,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:48:42,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:48:42,002 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:48:42,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:48:42,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:48:42,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:48:42,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:48:42,003 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 [2021-10-29 04:48:42,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:48:42,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:48:42,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:48:42,375 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:48:42,376 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:48:42,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2021-10-29 04:48:42,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/data/27a46fe66/714ed2b9628043c0bdaa79de52b995cb/FLAG1a53561dd [2021-10-29 04:48:42,923 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:48:42,924 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2021-10-29 04:48:42,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/data/27a46fe66/714ed2b9628043c0bdaa79de52b995cb/FLAG1a53561dd [2021-10-29 04:48:43,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/data/27a46fe66/714ed2b9628043c0bdaa79de52b995cb [2021-10-29 04:48:43,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:48:43,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:48:43,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:48:43,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:48:43,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:48:43,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:43" (1/1) ... [2021-10-29 04:48:43,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4912a5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:43, skipping insertion in model container [2021-10-29 04:48:43,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:43" (1/1) ... [2021-10-29 04:48:43,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:48:43,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:48:43,581 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2021-10-29 04:48:43,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:48:43,603 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 04:48:43,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10b57f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:43, skipping insertion in model container [2021-10-29 04:48:43,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:48:43,605 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:48:43,607 INFO L168 Benchmark]: Toolchain (without parser) took 302.97 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 43.5 MB in the beginning and 73.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:48:43,609 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 59.9 MB in the beginning and 59.8 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:48:43,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.52 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 43.3 MB in the beginning and 73.7 MB in the end (delta: -30.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:48:43,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 59.9 MB in the beginning and 59.8 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 291.52 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 43.3 MB in the beginning and 73.7 MB in the end (delta: -30.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 115]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:48:46,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:48:46,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:48:46,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:48:46,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:48:46,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:48:46,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:48:46,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:48:46,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:48:46,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:48:46,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:48:46,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:48:46,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:48:46,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:48:46,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:48:46,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:48:46,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:48:46,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:48:46,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:48:46,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:48:46,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:48:46,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:48:46,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:48:46,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:48:46,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:48:46,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:48:46,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:48:46,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:48:46,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:48:46,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:48:46,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:48:46,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:48:46,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:48:46,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:48:46,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:48:46,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:48:46,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:48:46,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:48:46,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:48:46,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:48:46,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:48:46,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 04:48:46,567 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:48:46,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:48:46,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:48:46,570 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:48:46,570 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:48:46,570 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:48:46,571 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:48:46,571 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:48:46,571 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:48:46,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:48:46,574 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:48:46,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:48:46,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:48:46,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:48:46,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:48:46,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:48:46,576 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:48:46,576 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:48:46,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:48:46,577 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:48:46,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:48:46,578 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:48:46,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:48:46,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:48:46,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:48:46,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:48:46,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:48:46,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:48:46,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:48:46,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:48:46,580 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:48:46,581 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:48:46,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:48:46,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:48:46,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:48:46,582 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_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 [2021-10-29 04:48:47,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:48:47,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:48:47,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:48:47,091 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:48:47,092 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:48:47,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2021-10-29 04:48:47,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/data/ecc128418/7804902501374fe9b1b35147b3cbd280/FLAGcf67a3f0c [2021-10-29 04:48:47,886 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:48:47,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2021-10-29 04:48:47,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/data/ecc128418/7804902501374fe9b1b35147b3cbd280/FLAGcf67a3f0c [2021-10-29 04:48:48,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/data/ecc128418/7804902501374fe9b1b35147b3cbd280 [2021-10-29 04:48:48,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:48:48,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:48:48,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:48:48,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:48:48,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:48:48,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:48" (1/1) ... [2021-10-29 04:48:48,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e040ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48, skipping insertion in model container [2021-10-29 04:48:48,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:48" (1/1) ... [2021-10-29 04:48:48,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:48:48,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:48:48,425 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2021-10-29 04:48:48,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:48:48,449 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 04:48:48,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:48:48,498 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2021-10-29 04:48:48,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:48:48,550 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:48:48,596 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2021-10-29 04:48:48,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:48:48,623 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:48:48,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48 WrapperNode [2021-10-29 04:48:48,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:48:48,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:48:48,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:48:48,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:48:48,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48" (1/1) ... [2021-10-29 04:48:48,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48" (1/1) ... [2021-10-29 04:48:48,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:48:48,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:48:48,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:48:48,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:48:48,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48" (1/1) ... [2021-10-29 04:48:48,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48" (1/1) ... [2021-10-29 04:48:48,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48" (1/1) ... [2021-10-29 04:48:48,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48" (1/1) ... [2021-10-29 04:48:48,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48" (1/1) ... [2021-10-29 04:48:48,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48" (1/1) ... [2021-10-29 04:48:48,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48" (1/1) ... [2021-10-29 04:48:48,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:48:48,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:48:48,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:48:48,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:48:48,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48" (1/1) ... [2021-10-29 04:48:48,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:48:48,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:48:48,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:48:48,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:48:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:48:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:48:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 04:48:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 04:48:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 04:48:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 04:48:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 04:48:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 04:48:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 04:48:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 04:48:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 04:48:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:48:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:48:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:48:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:48:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 04:48:48,884 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 04:48:51,149 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:48:51,149 INFO L299 CfgBuilder]: Removed 61 assume(true) statements. [2021-10-29 04:48:51,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:48:51 BoogieIcfgContainer [2021-10-29 04:48:51,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:48:51,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:48:51,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:48:51,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:48:51,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:48:48" (1/3) ... [2021-10-29 04:48:51,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618d9d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:48:51, skipping insertion in model container [2021-10-29 04:48:51,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:48" (2/3) ... [2021-10-29 04:48:51,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618d9d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:48:51, skipping insertion in model container [2021-10-29 04:48:51,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:48:51" (3/3) ... [2021-10-29 04:48:51,162 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2021-10-29 04:48:51,168 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 04:48:51,169 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:48:51,169 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 04:48:51,169 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 04:48:51,222 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,222 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,223 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,223 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,223 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,224 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,225 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,225 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,226 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,227 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,227 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,227 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,227 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,228 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,229 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,229 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,230 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,230 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,232 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,232 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,232 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,233 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,233 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,233 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,233 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,234 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,234 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,234 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,234 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,235 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,235 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,235 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,236 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,236 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,236 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,237 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,237 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,237 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,237 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,238 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,238 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,238 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,238 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,239 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,239 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,239 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,239 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,239 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~tmp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,241 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,242 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,242 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,243 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,243 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~tmp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,243 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,243 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,245 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~tmp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,245 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~tmp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,245 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,245 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,246 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,246 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,246 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,246 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,247 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,247 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,247 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,247 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,248 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,248 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,249 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,249 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,249 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,249 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,250 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,250 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,250 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,250 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,251 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,251 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,251 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,251 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,251 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,252 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,252 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~tmp~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,252 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,252 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,253 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,253 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,253 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,253 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,254 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,254 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,255 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,255 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,255 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~tmp~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,255 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,256 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,256 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,256 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,256 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,256 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,257 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~tmp~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,257 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~tmp~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,258 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,258 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,258 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,258 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,258 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,259 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,259 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,259 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,259 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,260 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,264 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~tmp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,265 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,266 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,267 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,267 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,267 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,271 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,271 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,271 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,271 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,272 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,272 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,272 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,272 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~tmp~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,273 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,273 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,273 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,273 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,274 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,274 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,277 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,277 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,277 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,278 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,278 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,278 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,278 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,279 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,279 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,279 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,279 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,280 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,280 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,280 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,280 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 04:48:51,287 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-29 04:48:51,341 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:48:51,349 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 04:48:51,349 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-29 04:48:51,369 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 04:48:51,382 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 172 transitions, 368 flow [2021-10-29 04:48:51,385 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 172 transitions, 368 flow [2021-10-29 04:48:51,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 172 transitions, 368 flow [2021-10-29 04:48:51,463 INFO L129 PetriNetUnfolder]: 16/169 cut-off events. [2021-10-29 04:48:51,464 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-29 04:48:51,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 169 events. 16/169 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 105 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 133. Up to 2 conditions per place. [2021-10-29 04:48:51,474 INFO L116 LiptonReduction]: Number of co-enabled transitions 1518 [2021-10-29 04:49:20,475 INFO L131 LiptonReduction]: Checked pairs total: 2275 [2021-10-29 04:49:20,476 INFO L133 LiptonReduction]: Total number of compositions: 167 [2021-10-29 04:49:20,485 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 32 transitions, 88 flow [2021-10-29 04:49:20,514 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 172 states, 171 states have (on average 3.1578947368421053) internal successors, (540), 171 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 171 states have (on average 3.1578947368421053) internal successors, (540), 171 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:20,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:49:20,530 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:49:20,531 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:49:20,532 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 04:49:20,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:49:20,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1913933480, now seen corresponding path program 1 times [2021-10-29 04:49:20,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:49:20,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23993794] [2021-10-29 04:49:20,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:49:20,554 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:49:20,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:49:20,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:49:20,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 04:49:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:49:20,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:49:20,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:49:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:49:21,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:49:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:49:21,174 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:49:21,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23993794] [2021-10-29 04:49:21,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [23993794] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:49:21,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:49:21,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 04:49:21,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703216832] [2021-10-29 04:49:21,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:49:21,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:49:21,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:49:21,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:49:21,219 INFO L87 Difference]: Start difference. First operand has 172 states, 171 states have (on average 3.1578947368421053) internal successors, (540), 171 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:21,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:49:21,241 INFO L93 Difference]: Finished difference Result 3 states and 4 transitions. [2021-10-29 04:49:21,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:49:21,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-29 04:49:21,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:49:21,251 INFO L225 Difference]: With dead ends: 3 [2021-10-29 04:49:21,251 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 04:49:21,252 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:49:21,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 04:49:21,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 04:49:21,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 04:49:21,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-10-29 04:49:21,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:49:21,280 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 04:49:21,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:21,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 04:49:21,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:49:21,284 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:49:21,284 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 04:49:21,285 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 04:49:21,285 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-29 04:49:21,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-29 04:49:21,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:49:21,488 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 04:49:21,491 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 04:49:21,491 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:49:21,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:49:21 BasicIcfg [2021-10-29 04:49:21,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:49:21,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:49:21,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:49:21,495 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:49:21,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:48:51" (3/4) ... [2021-10-29 04:49:21,499 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:49:21,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-29 04:49:21,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-29 04:49:21,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-29 04:49:21,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-10-29 04:49:21,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 04:49:21,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:49:21,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:49:21,590 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:49:21,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:49:21,592 INFO L168 Benchmark]: Toolchain (without parser) took 33398.85 ms. Allocated memory was 65.0 MB in the beginning and 104.9 MB in the end (delta: 39.8 MB). Free memory was 44.4 MB in the beginning and 44.6 MB in the end (delta: -192.1 kB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:21,592 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 65.0 MB. Free memory is still 45.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:49:21,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.73 ms. Allocated memory is still 65.0 MB. Free memory was 44.1 MB in the beginning and 46.0 MB in the end (delta: -1.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:21,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.09 ms. Allocated memory is still 65.0 MB. Free memory was 45.8 MB in the beginning and 43.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:21,594 INFO L168 Benchmark]: Boogie Preprocessor took 52.94 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 41.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:21,595 INFO L168 Benchmark]: RCFGBuilder took 2408.44 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 41.2 MB in the beginning and 41.5 MB in the end (delta: -269.8 kB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:21,595 INFO L168 Benchmark]: TraceAbstraction took 30339.61 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 41.1 MB in the beginning and 48.4 MB in the end (delta: -7.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:21,596 INFO L168 Benchmark]: Witness Printer took 95.76 ms. Allocated memory is still 104.9 MB. Free memory was 48.4 MB in the beginning and 44.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:49:21,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 65.0 MB. Free memory is still 45.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 430.73 ms. Allocated memory is still 65.0 MB. Free memory was 44.1 MB in the beginning and 46.0 MB in the end (delta: -1.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.09 ms. Allocated memory is still 65.0 MB. Free memory was 45.8 MB in the beginning and 43.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.94 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 41.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2408.44 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 41.2 MB in the beginning and 41.5 MB in the end (delta: -269.8 kB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30339.61 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 41.1 MB in the beginning and 48.4 MB in the end (delta: -7.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Witness Printer took 95.76 ms. Allocated memory is still 104.9 MB. Free memory was 48.4 MB in the beginning and 44.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.0s, 166 PlacesBefore, 37 PlacesAfterwards, 172 TransitionsBefore, 32 TransitionsAfterwards, 1518 CoEnabledTransitionPairs, 7 FixpointIterations, 105 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 6 ConcurrentYvCompositions, 11 ChoiceCompositions, 167 TotalNumberOfCompositions, 2275 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1857, positive: 1797, positive conditional: 0, positive unconditional: 1797, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1057, positive: 1035, positive conditional: 0, positive unconditional: 1035, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1057, positive: 1035, positive conditional: 0, positive unconditional: 1035, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2285, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2285, negative conditional: 0, negative unconditional: 2285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1857, positive: 762, positive conditional: 0, positive unconditional: 762, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 1057, unknown conditional: 0, unknown unconditional: 1057] , Statistics on independence cache: Total cache size (in pairs): 101, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 106]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 190 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 30.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 29.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 9 NumberOfNonLiveVariables, 109 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 04:49:21,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f381d-a476-4106-9eae-881e8544914b/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...