./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8 --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 64bit --witnessprinter.graph.data.programhash fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:12:14,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:12:14,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:12:14,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:12:14,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:12:14,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:12:14,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:12:14,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:12:14,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:12:14,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:12:14,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:12:14,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:12:14,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:12:14,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:12:14,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:12:14,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:12:14,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:12:14,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:12:14,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:12:14,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:12:14,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:12:14,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:12:14,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:12:14,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:12:14,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:12:14,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:12:14,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:12:14,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:12:14,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:12:14,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:12:14,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:12:14,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:12:14,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:12:14,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:12:14,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:12:14,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:12:14,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:12:14,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:12:14,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:12:14,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:12:14,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:12:14,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:12:14,161 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:12:14,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:12:14,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:12:14,162 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:12:14,162 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:12:14,163 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:12:14,163 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:12:14,163 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:12:14,163 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:12:14,163 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:12:14,164 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:12:14,164 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:12:14,164 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:12:14,164 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:12:14,165 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:12:14,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:12:14,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:12:14,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:12:14,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:12:14,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:12:14,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:12:14,166 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:12:14,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:12:14,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:12:14,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:12:14,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:12:14,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:12:14,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:12:14,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:12:14,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:12:14,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:12:14,170 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:12:14,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:12:14,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:12:14,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:12:14,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:12:14,172 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_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd [2021-11-07 02:12:14,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:12:14,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:12:14,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:12:14,497 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:12:14,497 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:12:14,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-07 02:12:14,580 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/data/6f25492aa/451bbbee1aad43a6bd30b235660fd1e1/FLAG558ef74fc [2021-11-07 02:12:15,461 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:12:15,463 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-07 02:12:15,540 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/data/6f25492aa/451bbbee1aad43a6bd30b235660fd1e1/FLAG558ef74fc [2021-11-07 02:12:15,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/data/6f25492aa/451bbbee1aad43a6bd30b235660fd1e1 [2021-11-07 02:12:15,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:12:15,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:12:15,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:15,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:12:15,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:12:15,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:15" (1/1) ... [2021-11-07 02:12:15,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec8132a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:15, skipping insertion in model container [2021-11-07 02:12:15,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:15" (1/1) ... [2021-11-07 02:12:15,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:12:16,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:12:16,901 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-11-07 02:12:16,902 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-11-07 02:12:17,790 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_351b113e-c079-4ae8-92f5-52b3a150458d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-11-07 02:12:17,919 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,119 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,129 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,136 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,144 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,175 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,283 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,489 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,502 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,583 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,589 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,851 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,856 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,862 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,863 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,863 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,902 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,903 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,904 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,916 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,916 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,918 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,935 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,936 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,941 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,950 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,951 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,952 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,952 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,953 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,954 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,955 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,973 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,974 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:18,975 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,054 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,094 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,111 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,112 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,122 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,127 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,135 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,136 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,137 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,147 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,147 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,150 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,156 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,157 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,157 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,160 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,161 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,163 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,164 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,164 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,165 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,171 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,175 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,177 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,178 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,186 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,187 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,190 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,194 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,195 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,195 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,196 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,196 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,200 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,201 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,202 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,203 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,205 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,206 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,214 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,215 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,215 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,216 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,218 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,218 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,219 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,237 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,253 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,254 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,265 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,266 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,267 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,268 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,268 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,269 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,270 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,272 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,274 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,275 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,278 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,281 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,282 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,282 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,283 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,285 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,300 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,306 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,307 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,308 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,324 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,328 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,328 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,330 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,337 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,338 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,340 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,341 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,342 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,343 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,344 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,350 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,350 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,351 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,352 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,353 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,355 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,364 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,365 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,388 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,398 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,398 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,399 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,401 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,402 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,438 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,439 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,439 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,440 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,440 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,440 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,441 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,441 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,441 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,442 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,442 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,443 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,443 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,443 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,444 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,444 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,445 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,445 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,445 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,446 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,446 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,446 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,455 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,456 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,457 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,457 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,458 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,458 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,459 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,460 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,461 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,461 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,462 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,462 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,462 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,463 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,463 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,464 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,464 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,465 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,465 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,465 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,466 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,592 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,629 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,633 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,634 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,641 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,643 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,648 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,649 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,650 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,666 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,667 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,668 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,669 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,669 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,670 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,671 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,672 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,672 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,738 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:12:19,771 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-07 02:12:19,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:19,874 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) [2021-11-07 02:12:19,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51773560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:19, skipping insertion in model container [2021-11-07 02:12:19,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:19,876 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:12:19,878 INFO L168 Benchmark]: Toolchain (without parser) took 3930.17 ms. Allocated memory was 127.9 MB in the beginning and 180.4 MB in the end (delta: 52.4 MB). Free memory was 77.4 MB in the beginning and 128.3 MB in the end (delta: -50.9 MB). Peak memory consumption was 53.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:12:19,879 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 83.9 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:12:19,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3927.52 ms. Allocated memory was 127.9 MB in the beginning and 180.4 MB in the end (delta: 52.4 MB). Free memory was 77.0 MB in the beginning and 128.3 MB in the end (delta: -51.3 MB). Peak memory consumption was 53.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:12:19,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 83.9 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3927.52 ms. Allocated memory was 127.9 MB in the beginning and 180.4 MB in the end (delta: 52.4 MB). Free memory was 77.0 MB in the beginning and 128.3 MB in the end (delta: -51.3 MB). Peak memory consumption was 53.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6020]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8 --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 64bit --witnessprinter.graph.data.programhash fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:12:22,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:12:22,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:12:22,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:12:22,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:12:22,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:12:22,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:12:22,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:12:22,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:12:22,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:12:22,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:12:22,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:12:22,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:12:22,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:12:22,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:12:22,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:12:22,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:12:22,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:12:22,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:12:22,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:12:22,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:12:22,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:12:22,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:12:22,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:12:22,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:12:22,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:12:22,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:12:22,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:12:22,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:12:22,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:12:22,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:12:22,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:12:22,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:12:22,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:12:22,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:12:22,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:12:22,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:12:22,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:12:22,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:12:22,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:12:22,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:12:22,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:12:22,311 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:12:22,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:12:22,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:12:22,313 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:12:22,313 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:12:22,313 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:12:22,313 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:12:22,314 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:12:22,314 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:12:22,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:12:22,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:12:22,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:12:22,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:12:22,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:12:22,317 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:12:22,317 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:12:22,317 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:12:22,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:12:22,318 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:12:22,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:12:22,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:12:22,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:12:22,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:12:22,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:12:22,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:12:22,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:12:22,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:12:22,319 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:12:22,320 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:12:22,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:12:22,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:12:22,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:12:22,320 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_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd [2021-11-07 02:12:22,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:12:22,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:12:22,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:12:22,721 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:12:22,721 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:12:22,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-07 02:12:22,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/data/a64520162/bdc819b2c5ec48ec90d2b8a1b2390f94/FLAGf44821e07 [2021-11-07 02:12:23,713 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:12:23,713 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-07 02:12:23,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/data/a64520162/bdc819b2c5ec48ec90d2b8a1b2390f94/FLAGf44821e07 [2021-11-07 02:12:24,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/data/a64520162/bdc819b2c5ec48ec90d2b8a1b2390f94 [2021-11-07 02:12:24,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:12:24,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:12:24,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:24,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:12:24,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:12:24,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:24" (1/1) ... [2021-11-07 02:12:24,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af29ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:24, skipping insertion in model container [2021-11-07 02:12:24,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:24" (1/1) ... [2021-11-07 02:12:24,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:12:24,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:12:24,946 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-11-07 02:12:24,960 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-11-07 02:12:25,610 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_351b113e-c079-4ae8-92f5-52b3a150458d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-11-07 02:12:27,500 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-07 02:12:27,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:27,617 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:12:27,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:12:27,825 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-11-07 02:12:27,825 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-11-07 02:12:27,841 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_351b113e-c079-4ae8-92f5-52b3a150458d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-11-07 02:12:28,117 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-07 02:12:28,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:28,181 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:12:28,394 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-11-07 02:12:28,395 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-11-07 02:12:28,416 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_351b113e-c079-4ae8-92f5-52b3a150458d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-11-07 02:12:28,934 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-07 02:12:28,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:29,327 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:12:29,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:29 WrapperNode [2021-11-07 02:12:29,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:29,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:12:29,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:12:29,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:12:29,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:29" (1/1) ... [2021-11-07 02:12:29,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:29" (1/1) ... [2021-11-07 02:12:31,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:12:31,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:12:31,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:12:31,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:12:31,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:29" (1/1) ... [2021-11-07 02:12:31,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:29" (1/1) ... [2021-11-07 02:12:31,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:29" (1/1) ... [2021-11-07 02:12:31,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:29" (1/1) ... [2021-11-07 02:12:32,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:29" (1/1) ... [2021-11-07 02:12:33,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:29" (1/1) ... [2021-11-07 02:12:33,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:29" (1/1) ... [2021-11-07 02:12:33,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:12:33,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:12:33,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:12:33,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:12:33,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:29" (1/1) ... [2021-11-07 02:12:33,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:12:33,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:12:33,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:12:33,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:12:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-07 02:12:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 02:12:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-07 02:12:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-07 02:12:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:12:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:12:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:12:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 02:12:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_sock [2021-11-07 02:12:33,647 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_sock [2021-11-07 02:12:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:12:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:12:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 02:12:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 02:12:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 02:12:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 02:12:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 02:12:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:12:33,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:12:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:12:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:12:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 02:12:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 02:12:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 02:12:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 02:12:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:12:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:12:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:12:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 02:12:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 02:12:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 02:12:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:12:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 02:12:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 02:12:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 02:12:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 02:15:50,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:15:50,594 INFO L299 CfgBuilder]: Removed 16976 assume(true) statements. [2021-11-07 02:15:50,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:15:50 BoogieIcfgContainer [2021-11-07 02:15:50,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:15:50,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:15:50,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:15:50,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:15:50,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:12:24" (1/3) ... [2021-11-07 02:15:50,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f12d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:15:50, skipping insertion in model container [2021-11-07 02:15:50,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:29" (2/3) ... [2021-11-07 02:15:50,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f12d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:15:50, skipping insertion in model container [2021-11-07 02:15:50,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:15:50" (3/3) ... [2021-11-07 02:15:50,620 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-07 02:15:50,627 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:15:50,627 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2021-11-07 02:15:50,756 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:15:50,763 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 [2021-11-07 02:15:50,764 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-07 02:15:50,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 12450 states, 12431 states have (on average 1.4146086396910948) internal successors, (17585), 12444 states have internal predecessors, (17585), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-07 02:15:51,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 02:15:51,003 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:15:51,004 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:15:51,005 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 02:15:51,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:15:51,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1034210886, now seen corresponding path program 1 times [2021-11-07 02:15:51,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:15:51,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739745682] [2021-11-07 02:15:51,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:15:51,037 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:15:51,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:15:51,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:15:51,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:15:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:15:53,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:15:53,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:15:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:15:54,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:15:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:15:54,862 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:15:54,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739745682] [2021-11-07 02:15:54,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739745682] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:15:54,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:15:54,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:15:54,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502356977] [2021-11-07 02:15:54,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:15:54,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:15:54,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:15:54,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:15:54,929 INFO L87 Difference]: Start difference. First operand has 12450 states, 12431 states have (on average 1.4146086396910948) internal successors, (17585), 12444 states have internal predecessors, (17585), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-11-07 02:15:56,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:15:56,748 INFO L93 Difference]: Finished difference Result 33694 states and 47646 transitions. [2021-11-07 02:15:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:15:56,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 82 [2021-11-07 02:15:56,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:15:56,957 INFO L225 Difference]: With dead ends: 33694 [2021-11-07 02:15:56,957 INFO L226 Difference]: Without dead ends: 21094 [2021-11-07 02:15:57,041 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:15:57,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21094 states. [2021-11-07 02:15:58,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21094 to 20931. [2021-11-07 02:15:58,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20931 states, 20907 states have (on average 1.4010618453149664) internal successors, (29292), 20921 states have internal predecessors, (29292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-07 02:15:58,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20931 states to 20931 states and 29314 transitions. [2021-11-07 02:15:58,339 INFO L78 Accepts]: Start accepts. Automaton has 20931 states and 29314 transitions. Word has length 82 [2021-11-07 02:15:58,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:15:58,341 INFO L470 AbstractCegarLoop]: Abstraction has 20931 states and 29314 transitions. [2021-11-07 02:15:58,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-11-07 02:15:58,344 INFO L276 IsEmpty]: Start isEmpty. Operand 20931 states and 29314 transitions. [2021-11-07 02:15:58,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-07 02:15:58,352 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:15:58,353 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:15:58,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:15:58,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:15:58,577 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 02:15:58,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:15:58,578 INFO L85 PathProgramCache]: Analyzing trace with hash -2021014327, now seen corresponding path program 1 times [2021-11-07 02:15:58,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:15:58,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269074626] [2021-11-07 02:15:58,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:15:58,582 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:15:58,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:15:58,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:15:58,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:16:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:16:01,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:16:01,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:16:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:16:01,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:16:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:16:02,171 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:16:02,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269074626] [2021-11-07 02:16:02,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269074626] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:16:02,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:16:02,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:16:02,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455718595] [2021-11-07 02:16:02,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:16:02,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:16:02,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:16:02,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:16:02,175 INFO L87 Difference]: Start difference. First operand 20931 states and 29314 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2021-11-07 02:16:04,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:16:04,521 INFO L93 Difference]: Finished difference Result 55529 states and 77909 transitions. [2021-11-07 02:16:04,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:16:04,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 83 [2021-11-07 02:16:04,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:16:04,736 INFO L225 Difference]: With dead ends: 55529 [2021-11-07 02:16:04,736 INFO L226 Difference]: Without dead ends: 34853 [2021-11-07 02:16:04,810 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:16:04,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34853 states. [2021-11-07 02:16:06,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34853 to 34782. [2021-11-07 02:16:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34782 states, 34749 states have (on average 1.4035224035224034) internal successors, (48771), 34765 states have internal predecessors, (48771), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-07 02:16:06,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34782 states to 34782 states and 48807 transitions. [2021-11-07 02:16:06,463 INFO L78 Accepts]: Start accepts. Automaton has 34782 states and 48807 transitions. Word has length 83 [2021-11-07 02:16:06,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:16:06,466 INFO L470 AbstractCegarLoop]: Abstraction has 34782 states and 48807 transitions. [2021-11-07 02:16:06,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2021-11-07 02:16:06,467 INFO L276 IsEmpty]: Start isEmpty. Operand 34782 states and 48807 transitions. [2021-11-07 02:16:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-07 02:16:06,470 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:16:06,471 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:16:06,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:16:06,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:16:06,697 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 02:16:06,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:16:06,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1164295681, now seen corresponding path program 1 times [2021-11-07 02:16:06,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:16:06,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786027] [2021-11-07 02:16:06,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:16:06,702 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:16:06,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:16:06,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:16:06,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:16:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:16:10,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 1460 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:16:10,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:16:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:16:10,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:16:10,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:16:10,953 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:16:10,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786027] [2021-11-07 02:16:10,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786027] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:16:10,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:16:10,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:16:10,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240220723] [2021-11-07 02:16:10,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:16:10,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:16:10,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:16:10,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:16:10,956 INFO L87 Difference]: Start difference. First operand 34782 states and 48807 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2021-11-07 02:16:13,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:16:13,877 INFO L93 Difference]: Finished difference Result 87943 states and 123567 transitions. [2021-11-07 02:16:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:16:13,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 89 [2021-11-07 02:16:13,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:16:14,137 INFO L225 Difference]: With dead ends: 87943 [2021-11-07 02:16:14,138 INFO L226 Difference]: Without dead ends: 53416 [2021-11-07 02:16:14,228 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:16:14,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53416 states. [2021-11-07 02:16:16,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53416 to 53402. [2021-11-07 02:16:16,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53402 states, 53357 states have (on average 1.4052139363157599) internal successors, (74978), 53375 states have internal predecessors, (74978), 27 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-11-07 02:16:16,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53402 states to 53402 states and 75032 transitions. [2021-11-07 02:16:16,755 INFO L78 Accepts]: Start accepts. Automaton has 53402 states and 75032 transitions. Word has length 89 [2021-11-07 02:16:16,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:16:16,758 INFO L470 AbstractCegarLoop]: Abstraction has 53402 states and 75032 transitions. [2021-11-07 02:16:16,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2021-11-07 02:16:16,760 INFO L276 IsEmpty]: Start isEmpty. Operand 53402 states and 75032 transitions. [2021-11-07 02:16:16,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-07 02:16:16,776 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:16:16,777 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:16:16,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:16:16,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:16:16,993 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 02:16:16,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:16:16,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1334107731, now seen corresponding path program 1 times [2021-11-07 02:16:16,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:16:17,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18743433] [2021-11-07 02:16:17,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:16:17,001 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:16:17,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:16:17,002 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:16:17,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:16:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:16:20,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:16:20,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:16:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:16:21,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:16:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:16:21,588 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:16:21,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [18743433] [2021-11-07 02:16:21,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [18743433] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:16:21,589 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:16:21,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:16:21,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895687192] [2021-11-07 02:16:21,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:16:21,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:16:21,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:16:21,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:16:21,592 INFO L87 Difference]: Start difference. First operand 53402 states and 75032 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 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) [2021-11-07 02:16:26,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:16:26,210 INFO L93 Difference]: Finished difference Result 106582 states and 149822 transitions. [2021-11-07 02:16:26,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:16:26,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 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 149 [2021-11-07 02:16:26,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:16:26,466 INFO L225 Difference]: With dead ends: 106582 [2021-11-07 02:16:26,467 INFO L226 Difference]: Without dead ends: 53395 [2021-11-07 02:16:26,576 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:16:26,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53395 states. [2021-11-07 02:16:28,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53395 to 53346. [2021-11-07 02:16:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53346 states, 53301 states have (on average 1.4053394870640326) internal successors, (74906), 53319 states have internal predecessors, (74906), 27 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-11-07 02:16:29,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53346 states to 53346 states and 74960 transitions. [2021-11-07 02:16:29,237 INFO L78 Accepts]: Start accepts. Automaton has 53346 states and 74960 transitions. Word has length 149 [2021-11-07 02:16:29,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:16:29,239 INFO L470 AbstractCegarLoop]: Abstraction has 53346 states and 74960 transitions. [2021-11-07 02:16:29,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 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) [2021-11-07 02:16:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 53346 states and 74960 transitions. [2021-11-07 02:16:29,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-07 02:16:29,250 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:16:29,250 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:16:29,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:16:29,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:16:29,465 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 02:16:29,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:16:29,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2142036241, now seen corresponding path program 1 times [2021-11-07 02:16:29,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:16:29,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923344672] [2021-11-07 02:16:29,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:16:29,472 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:16:29,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:16:29,474 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:16:29,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:16:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:16:32,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1696 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:16:32,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:16:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:16:33,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:16:34,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:16:34,844 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:16:34,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923344672] [2021-11-07 02:16:34,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [923344672] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:16:34,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:16:34,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:16:34,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442931063] [2021-11-07 02:16:34,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:16:34,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:16:34,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:16:34,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:16:34,847 INFO L87 Difference]: Start difference. First operand 53346 states and 74960 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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) [2021-11-07 02:16:41,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:16:41,865 INFO L93 Difference]: Finished difference Result 82716 states and 117617 transitions. [2021-11-07 02:16:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:16:41,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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 151 [2021-11-07 02:16:41,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:16:42,249 INFO L225 Difference]: With dead ends: 82716 [2021-11-07 02:16:42,250 INFO L226 Difference]: Without dead ends: 82694 [2021-11-07 02:16:42,279 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:16:42,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82694 states. [2021-11-07 02:16:44,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82694 to 62893. [2021-11-07 02:16:44,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62893 states, 62848 states have (on average 1.406361379837067) internal successors, (88387), 62866 states have internal predecessors, (88387), 27 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-11-07 02:16:44,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62893 states to 62893 states and 88441 transitions. [2021-11-07 02:16:44,694 INFO L78 Accepts]: Start accepts. Automaton has 62893 states and 88441 transitions. Word has length 151 [2021-11-07 02:16:44,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:16:44,694 INFO L470 AbstractCegarLoop]: Abstraction has 62893 states and 88441 transitions. [2021-11-07 02:16:44,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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) [2021-11-07 02:16:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 62893 states and 88441 transitions. [2021-11-07 02:16:44,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-07 02:16:44,745 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:16:44,746 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:16:44,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:16:44,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:16:44,973 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 02:16:44,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:16:44,974 INFO L85 PathProgramCache]: Analyzing trace with hash -268112638, now seen corresponding path program 1 times [2021-11-07 02:16:44,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:16:44,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785220867] [2021-11-07 02:16:44,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:16:44,980 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:16:44,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:16:44,981 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:16:45,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:16:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:16:48,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 1747 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:16:48,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:16:48,973 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 02:16:48,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:16:49,633 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 02:16:49,633 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:16:49,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785220867] [2021-11-07 02:16:49,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785220867] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:16:49,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:16:49,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 02:16:49,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509619344] [2021-11-07 02:16:49,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:16:49,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:16:49,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:16:49,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:16:49,636 INFO L87 Difference]: Start difference. First operand 62893 states and 88441 transitions. Second operand has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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) [2021-11-07 02:16:58,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:16:58,966 INFO L93 Difference]: Finished difference Result 250823 states and 352923 transitions. [2021-11-07 02:16:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 02:16:58,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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 167 [2021-11-07 02:16:58,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:16:59,665 INFO L225 Difference]: With dead ends: 250823 [2021-11-07 02:16:59,665 INFO L226 Difference]: Without dead ends: 188185 [2021-11-07 02:16:59,829 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:17:00,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188185 states. [2021-11-07 02:17:04,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188185 to 62917. [2021-11-07 02:17:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62917 states, 62872 states have (on average 1.4062062603384655) internal successors, (88411), 62890 states have internal predecessors, (88411), 27 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-11-07 02:17:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62917 states to 62917 states and 88465 transitions. [2021-11-07 02:17:04,692 INFO L78 Accepts]: Start accepts. Automaton has 62917 states and 88465 transitions. Word has length 167 [2021-11-07 02:17:04,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:17:04,693 INFO L470 AbstractCegarLoop]: Abstraction has 62917 states and 88465 transitions. [2021-11-07 02:17:04,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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) [2021-11-07 02:17:04,693 INFO L276 IsEmpty]: Start isEmpty. Operand 62917 states and 88465 transitions. [2021-11-07 02:17:04,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-07 02:17:04,725 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:17:04,727 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:17:04,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 02:17:04,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:17:04,953 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-07 02:17:04,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:17:04,954 INFO L85 PathProgramCache]: Analyzing trace with hash -402126144, now seen corresponding path program 1 times [2021-11-07 02:17:04,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:17:04,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635645243] [2021-11-07 02:17:04,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:17:04,958 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:17:04,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:17:04,960 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:17:05,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 02:17:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:17:08,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 02:17:08,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:17:12,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-07 02:17:12,297 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:17:12,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:17:14,396 INFO L354 Elim1Store]: treesize reduction 482, result has 12.8 percent of original size [2021-11-07 02:17:14,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 82 treesize of output 96 [2021-11-07 02:17:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:17:44,130 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:17:44,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635645243] [2021-11-07 02:17:44,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [635645243] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:17:44,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1378382860] [2021-11-07 02:17:44,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:17:44,131 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:17:44,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:17:44,143 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:17:44,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 02:17:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:17:52,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 02:17:52,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:17:55,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-07 02:17:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:17:55,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:17:57,233 INFO L354 Elim1Store]: treesize reduction 482, result has 12.8 percent of original size [2021-11-07 02:17:57,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 82 treesize of output 96 [2021-11-07 02:18:23,898 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:23,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1378382860] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:18:23,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907950533] [2021-11-07 02:18:23,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:18:23,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:18:23,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:18:23,920 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:18:23,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351b113e-c079-4ae8-92f5-52b3a150458d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 02:18:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:18:27,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 02:18:27,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:18:30,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-07 02:18:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:30,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:18:32,296 INFO L354 Elim1Store]: treesize reduction 482, result has 12.8 percent of original size [2021-11-07 02:18:32,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 82 treesize of output 96 [2021-11-07 02:18:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:59,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907950533] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:18:59,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 02:18:59,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 17 [2021-11-07 02:18:59,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027890965] [2021-11-07 02:18:59,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-07 02:18:59,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:18:59,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 02:18:59,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-11-07 02:18:59,572 INFO L87 Difference]: Start difference. First operand 62917 states and 88465 transitions. Second operand has 18 states, 18 states have (on average 18.11111111111111) internal successors, (326), 17 states have internal predecessors, (326), 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)