./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-sorted.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_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/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_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/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_2bc6cff5-4826-4172-b4f1-58b5805749ac/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 362fd638a164593c63fbfc307f633b7ac4c475762218e6a2237e90d5b6553a84 ............................................................................................................................................ 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_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/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_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/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_2bc6cff5-4826-4172-b4f1-58b5805749ac/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 362fd638a164593c63fbfc307f633b7ac4c475762218e6a2237e90d5b6553a84 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 05:48:31,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:48:31,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:48:31,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:48:31,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:48:31,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:48:31,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:48:31,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:48:31,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:48:31,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:48:31,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:48:31,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:48:31,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:48:31,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:48:31,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:48:31,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:48:31,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:48:31,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:48:31,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:48:31,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:48:31,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:48:31,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:48:31,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:48:31,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:48:31,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:48:31,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:48:31,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:48:31,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:48:31,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:48:31,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:48:31,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:48:31,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:48:31,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:48:31,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:48:31,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:48:31,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:48:31,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:48:31,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:48:31,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:48:31,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:48:31,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:48:31,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:48:31,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:48:31,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:48:31,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:48:31,791 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:48:31,792 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:48:31,792 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:48:31,792 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:48:31,793 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:48:31,793 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:48:31,793 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:48:31,802 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:48:31,803 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:48:31,803 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:48:31,803 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:48:31,804 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:48:31,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:48:31,805 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:48:31,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:48:31,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:48:31,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:48:31,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:48:31,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:48:31,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:48:31,807 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:48:31,807 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:48:31,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:48:31,808 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:48:31,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:48:31,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:48:31,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:48:31,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:48:31,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:48:31,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:48:31,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:48:31,812 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:48:31,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:48:31,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:48:31,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:48:31,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:48:31,813 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_2bc6cff5-4826-4172-b4f1-58b5805749ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 362fd638a164593c63fbfc307f633b7ac4c475762218e6a2237e90d5b6553a84 [2021-10-29 05:48:32,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:48:32,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:48:32,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:48:32,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:48:32,248 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:48:32,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2021-10-29 05:48:32,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/data/6c071b8d2/7ac2456084574a7f87a153a82aaaf870/FLAGa71950bc3 [2021-10-29 05:48:32,939 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:48:32,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2021-10-29 05:48:32,964 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/data/6c071b8d2/7ac2456084574a7f87a153a82aaaf870/FLAGa71950bc3 [2021-10-29 05:48:33,242 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/data/6c071b8d2/7ac2456084574a7f87a153a82aaaf870 [2021-10-29 05:48:33,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:48:33,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:48:33,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:48:33,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:48:33,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:48:33,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:48:33" (1/1) ... [2021-10-29 05:48:33,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774809c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:33, skipping insertion in model container [2021-10-29 05:48:33,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:48:33" (1/1) ... [2021-10-29 05:48:33,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:48:33,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:48:33,560 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_2bc6cff5-4826-4172-b4f1-58b5805749ac/sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c[2434,2447] [2021-10-29 05:48:33,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:48:33,580 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 05:48:33,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2192b3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:33, skipping insertion in model container [2021-10-29 05:48:33,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:48:33,582 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:48:33,584 INFO L168 Benchmark]: Toolchain (without parser) took 335.48 ms. Allocated memory is still 138.4 MB. Free memory was 103.8 MB in the beginning and 115.0 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:33,585 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 54.7 MB in the beginning and 54.6 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:48:33,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.35 ms. Allocated memory is still 138.4 MB. Free memory was 103.5 MB in the beginning and 115.0 MB in the end (delta: -11.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:33,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 54.7 MB in the beginning and 54.6 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 317.35 ms. Allocated memory is still 138.4 MB. Free memory was 103.5 MB in the beginning and 115.0 MB in the end (delta: -11.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 101]: 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 05:48:36,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:48:36,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:48:36,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:48:36,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:48:36,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:48:36,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:48:36,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:48:36,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:48:36,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:48:36,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:48:36,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:48:36,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:48:36,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:48:36,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:48:36,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:48:36,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:48:36,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:48:36,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:48:36,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:48:36,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:48:36,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:48:36,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:48:36,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:48:36,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:48:36,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:48:36,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:48:36,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:48:36,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:48:36,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:48:36,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:48:36,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:48:36,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:48:36,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:48:36,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:48:36,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:48:36,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:48:36,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:48:36,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:48:36,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:48:36,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:48:36,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:48:36,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:48:36,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:48:36,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:48:36,540 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:48:36,541 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:48:36,541 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:48:36,541 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:48:36,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:48:36,542 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:48:36,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:48:36,545 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:48:36,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:48:36,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:48:36,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:48:36,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:48:36,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:48:36,547 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:48:36,547 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:48:36,548 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:48:36,548 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:48:36,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:48:36,548 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:48:36,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:48:36,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:48:36,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:48:36,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:48:36,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:48:36,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:48:36,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:48:36,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:48:36,551 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:48:36,551 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:48:36,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:48:36,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:48:36,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:48:36,553 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_2bc6cff5-4826-4172-b4f1-58b5805749ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 362fd638a164593c63fbfc307f633b7ac4c475762218e6a2237e90d5b6553a84 [2021-10-29 05:48:37,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:48:37,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:48:37,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:48:37,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:48:37,059 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:48:37,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2021-10-29 05:48:37,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/data/0c27104bf/fd5b1921f8204be9815a1f5080d51747/FLAG6bbb6fa5a [2021-10-29 05:48:37,801 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:48:37,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2021-10-29 05:48:37,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/data/0c27104bf/fd5b1921f8204be9815a1f5080d51747/FLAG6bbb6fa5a [2021-10-29 05:48:38,131 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/data/0c27104bf/fd5b1921f8204be9815a1f5080d51747 [2021-10-29 05:48:38,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:48:38,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:48:38,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:48:38,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:48:38,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:48:38,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:48:38" (1/1) ... [2021-10-29 05:48:38,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768a0f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38, skipping insertion in model container [2021-10-29 05:48:38,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:48:38" (1/1) ... [2021-10-29 05:48:38,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:48:38,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:48:38,523 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_2bc6cff5-4826-4172-b4f1-58b5805749ac/sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c[2434,2447] [2021-10-29 05:48:38,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:48:38,589 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:48:38,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:48:38,637 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_2bc6cff5-4826-4172-b4f1-58b5805749ac/sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c[2434,2447] [2021-10-29 05:48:38,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:48:38,665 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:48:38,710 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_2bc6cff5-4826-4172-b4f1-58b5805749ac/sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c[2434,2447] [2021-10-29 05:48:38,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:48:38,741 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:48:38,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38 WrapperNode [2021-10-29 05:48:38,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:48:38,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:48:38,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:48:38,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:48:38,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38" (1/1) ... [2021-10-29 05:48:38,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38" (1/1) ... [2021-10-29 05:48:38,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:48:38,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:48:38,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:48:38,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:48:38,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38" (1/1) ... [2021-10-29 05:48:38,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38" (1/1) ... [2021-10-29 05:48:38,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38" (1/1) ... [2021-10-29 05:48:38,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38" (1/1) ... [2021-10-29 05:48:38,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38" (1/1) ... [2021-10-29 05:48:38,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38" (1/1) ... [2021-10-29 05:48:38,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38" (1/1) ... [2021-10-29 05:48:38,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:48:38,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:48:38,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:48:38,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:48:38,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38" (1/1) ... [2021-10-29 05:48:38,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:48:38,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:48:38,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:48:38,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:48:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 05:48:38,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 05:48:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 05:48:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 05:48:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 05:48:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 05:48:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 05:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 05:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:48:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 05:48:38,964 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 05:48:39,689 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:48:39,690 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-10-29 05:48:39,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:48:39 BoogieIcfgContainer [2021-10-29 05:48:39,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:48:39,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:48:39,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:48:39,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:48:39,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:48:38" (1/3) ... [2021-10-29 05:48:39,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a786fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:48:39, skipping insertion in model container [2021-10-29 05:48:39,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:38" (2/3) ... [2021-10-29 05:48:39,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a786fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:48:39, skipping insertion in model container [2021-10-29 05:48:39,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:48:39" (3/3) ... [2021-10-29 05:48:39,717 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-sorted.wvr.c [2021-10-29 05:48:39,724 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 05:48:39,725 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:48:39,725 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:48:39,725 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 05:48:39,799 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,799 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,800 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,800 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,800 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,801 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,801 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,801 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,802 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,802 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,802 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,802 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,803 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,803 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,804 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,804 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,804 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,804 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,805 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,806 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,806 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,807 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,808 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,808 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,808 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,809 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,809 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,809 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,810 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,810 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,810 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,810 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,810 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,811 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,811 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,811 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,811 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,812 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,812 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,812 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,812 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,813 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,813 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,814 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,814 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,814 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,815 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,815 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,816 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,816 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,816 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,816 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,817 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,817 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,818 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,818 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,818 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,818 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,819 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,820 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,820 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,820 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,821 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,821 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,821 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,821 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,822 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,822 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,823 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,824 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,826 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,827 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,828 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,830 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,831 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,831 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,831 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,832 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,832 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,833 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,833 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,833 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,843 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,844 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,844 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,844 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,845 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,845 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,846 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,847 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,847 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,847 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,848 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,848 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,848 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,848 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,849 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,849 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,849 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,849 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,850 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,851 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,851 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,851 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,851 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,852 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,852 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,852 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,853 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,853 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,853 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,853 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,854 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,854 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,854 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,854 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,854 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,855 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,855 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,855 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,856 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,856 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,856 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,857 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,857 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,857 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,857 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,858 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,858 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,858 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,858 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,859 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,859 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,859 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,863 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,864 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,864 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,864 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,865 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,865 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,866 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,875 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,875 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,878 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,878 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,878 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,879 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,879 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,881 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,881 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,882 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,882 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,882 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,882 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,882 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:48:39,890 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-29 05:48:39,937 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:48:39,943 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 05:48:39,944 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-29 05:48:39,964 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 05:48:39,981 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 162 places, 167 transitions, 358 flow [2021-10-29 05:48:39,990 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 162 places, 167 transitions, 358 flow [2021-10-29 05:48:39,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 162 places, 167 transitions, 358 flow [2021-10-29 05:48:40,080 INFO L129 PetriNetUnfolder]: 15/164 cut-off events. [2021-10-29 05:48:40,080 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-29 05:48:40,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 164 events. 15/164 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 192 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 120. Up to 2 conditions per place. [2021-10-29 05:48:40,105 INFO L116 LiptonReduction]: Number of co-enabled transitions 3534 [2021-10-29 05:49:01,661 INFO L131 LiptonReduction]: Checked pairs total: 4486 [2021-10-29 05:49:01,661 INFO L133 LiptonReduction]: Total number of compositions: 173 [2021-10-29 05:49:01,674 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 32 transitions, 88 flow [2021-10-29 05:49:01,722 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 171 states, 170 states have (on average 3.588235294117647) internal successors, (610), 170 states have internal predecessors, (610), 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 05:49:01,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 170 states have (on average 3.588235294117647) internal successors, (610), 170 states have internal predecessors, (610), 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 05:49:01,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 05:49:01,753 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:01,754 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] [2021-10-29 05:49:01,755 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 05:49:01,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:01,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1562808629, now seen corresponding path program 1 times [2021-10-29 05:49:01,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:01,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189840256] [2021-10-29 05:49:01,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:01,784 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:01,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:01,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:01,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:49:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:01,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 05:49:01,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:02,253 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 05:49:02,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:02,445 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 05:49:02,447 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:02,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189840256] [2021-10-29 05:49:02,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189840256] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:02,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:02,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:49:02,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391350487] [2021-10-29 05:49:02,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:49:02,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:02,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:49:02,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:49:02,492 INFO L87 Difference]: Start difference. First operand has 171 states, 170 states have (on average 3.588235294117647) internal successors, (610), 170 states have internal predecessors, (610), 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 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 05:49:02,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:02,528 INFO L93 Difference]: Finished difference Result 2 states and 2 transitions. [2021-10-29 05:49:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:49:02,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 20 [2021-10-29 05:49:02,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:02,536 INFO L225 Difference]: With dead ends: 2 [2021-10-29 05:49:02,536 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:49:02,538 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 05:49:02,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:49:02,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:49:02,604 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 05:49:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:49:02,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-10-29 05:49:02,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:02,606 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:49:02,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 05:49:02,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:49:02,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:49:02,609 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:49:02,610 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 05:49:02,610 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 05:49:02,610 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-29 05:49:02,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-29 05:49:02,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:02,826 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 05:49:02,828 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 05:49:02,828 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:49:02,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:49:02 BasicIcfg [2021-10-29 05:49:02,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:49:02,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:49:02,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:49:02,831 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:49:02,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:48:39" (3/4) ... [2021-10-29 05:49:02,835 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:49:02,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-29 05:49:02,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-29 05:49:02,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-29 05:49:02,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 05:49:02,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 05:49:02,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:49:02,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:49:02,937 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:49:02,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:49:02,940 INFO L168 Benchmark]: Toolchain (without parser) took 24800.52 ms. Allocated memory was 60.8 MB in the beginning and 96.5 MB in the end (delta: 35.7 MB). Free memory was 37.6 MB in the beginning and 61.3 MB in the end (delta: -23.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:02,940 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 39.8 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:49:02,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.92 ms. Allocated memory is still 60.8 MB. Free memory was 37.4 MB in the beginning and 39.4 MB in the end (delta: -2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:02,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.69 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 37.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:02,942 INFO L168 Benchmark]: Boogie Preprocessor took 61.10 ms. Allocated memory is still 60.8 MB. Free memory was 37.5 MB in the beginning and 35.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:02,943 INFO L168 Benchmark]: RCFGBuilder took 834.73 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 35.8 MB in the beginning and 59.6 MB in the end (delta: -23.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:02,944 INFO L168 Benchmark]: TraceAbstraction took 23124.76 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 59.1 MB in the beginning and 65.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:02,944 INFO L168 Benchmark]: Witness Printer took 106.91 ms. Allocated memory is still 96.5 MB. Free memory was 65.2 MB in the beginning and 61.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:02,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 39.8 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 597.92 ms. Allocated memory is still 60.8 MB. Free memory was 37.4 MB in the beginning and 39.4 MB in the end (delta: -2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.69 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 37.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.10 ms. Allocated memory is still 60.8 MB. Free memory was 37.5 MB in the beginning and 35.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 834.73 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 35.8 MB in the beginning and 59.6 MB in the end (delta: -23.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23124.76 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 59.1 MB in the beginning and 65.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Witness Printer took 106.91 ms. Allocated memory is still 96.5 MB. Free memory was 65.2 MB in the beginning and 61.3 MB in the end (delta: 4.0 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: 21.6s, 162 PlacesBefore, 36 PlacesAfterwards, 167 TransitionsBefore, 32 TransitionsAfterwards, 3534 CoEnabledTransitionPairs, 7 FixpointIterations, 84 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 21 ConcurrentYvCompositions, 9 ChoiceCompositions, 173 TotalNumberOfCompositions, 4486 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3664, positive: 3602, positive conditional: 0, positive unconditional: 3602, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2563, positive: 2539, positive conditional: 0, positive unconditional: 2539, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2563, positive: 2539, positive conditional: 0, positive unconditional: 2539, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1451, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1451, negative conditional: 0, negative unconditional: 1451, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3664, positive: 1063, positive conditional: 0, positive unconditional: 1063, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 2563, unknown conditional: 0, unknown unconditional: 2563] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 101, Positive conditional cache size: 0, Positive unconditional cache size: 101, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - 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: 92]: 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, 207 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 22.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 21.7s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 9 NumberOfNonLiveVariables, 95 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 05:49:03,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc6cff5-4826-4172-b4f1-58b5805749ac/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...