./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH --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 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:36:05,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:36:05,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:36:05,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:36:05,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:36:05,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:36:05,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:36:05,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:36:05,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:36:05,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:36:05,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:36:05,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:36:05,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:36:05,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:36:05,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:36:05,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:36:05,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:36:05,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:36:05,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:36:05,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:36:05,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:36:05,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:36:05,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:36:05,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:36:05,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:36:05,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:36:05,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:36:05,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:36:05,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:36:05,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:36:05,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:36:05,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:36:05,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:36:05,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:36:05,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:36:05,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:36:05,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:36:05,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:36:05,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:36:05,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:36:05,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:36:05,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:36:05,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:36:05,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:36:05,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:36:05,282 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:36:05,282 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:36:05,282 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:36:05,283 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:36:05,283 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:36:05,289 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:36:05,289 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:36:05,290 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:36:05,291 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:36:05,291 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:36:05,291 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:36:05,291 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:36:05,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:36:05,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:36:05,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:36:05,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:36:05,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:36:05,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:36:05,294 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:36:05,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:36:05,294 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:36:05,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:36:05,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:36:05,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:36:05,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:36:05,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:36:05,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:36:05,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:36:05,301 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:36:05,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:36:05,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:36:05,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:36:05,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:36:05,302 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_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 [2021-11-03 04:36:05,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:36:05,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:36:05,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:36:05,609 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:36:05,610 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:36:05,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2021-11-03 04:36:05,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/data/f084a8d7c/8cadc49b09bc443087e42613fe749bcb/FLAGcdc76bdf9 [2021-11-03 04:36:06,465 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:36:06,466 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2021-11-03 04:36:06,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/data/f084a8d7c/8cadc49b09bc443087e42613fe749bcb/FLAGcdc76bdf9 [2021-11-03 04:36:07,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/data/f084a8d7c/8cadc49b09bc443087e42613fe749bcb [2021-11-03 04:36:07,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:36:07,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:36:07,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:36:07,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:36:07,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:36:07,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:36:07" (1/1) ... [2021-11-03 04:36:07,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a4a239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:07, skipping insertion in model container [2021-11-03 04:36:07,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:36:07" (1/1) ... [2021-11-03 04:36:07,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:36:07,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:36:07,491 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_5473b0a7-7857-496f-9d6d-7967e452278a/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2021-11-03 04:36:07,498 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2021-11-03 04:36:07,524 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:36:07,529 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:36:08,435 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:36:08,507 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,507 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,508 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,509 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,510 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,523 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,524 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,526 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,526 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,528 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,529 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,530 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,530 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:08,893 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:36:08,894 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:36:08,895 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:36:08,896 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:36:08,898 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:36:08,899 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:36:08,900 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:36:08,901 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:36:08,901 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:36:08,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:36:09,030 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:09,038 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:09,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:36:09,205 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) [2021-11-03 04:36:09,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a309931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:09, skipping insertion in model container [2021-11-03 04:36:09,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:36:09,206 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:36:09,208 INFO L168 Benchmark]: Toolchain (without parser) took 2172.06 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 81.5 MB in the beginning and 95.0 MB in the end (delta: -13.6 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:36:09,209 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 107.0 MB. Free memory is still 82.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:36:09,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2166.99 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 81.5 MB in the beginning and 95.0 MB in the end (delta: -13.6 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:36:09,212 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 107.0 MB. Free memory is still 82.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2166.99 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 81.5 MB in the beginning and 95.0 MB in the end (delta: -13.6 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2886]: 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_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH --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 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:36:11,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:36:11,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:36:11,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:36:11,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:36:11,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:36:11,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:36:11,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:36:11,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:36:11,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:36:11,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:36:11,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:36:11,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:36:11,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:36:11,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:36:11,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:36:11,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:36:11,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:36:11,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:36:11,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:36:11,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:36:11,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:36:11,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:36:11,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:36:11,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:36:11,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:36:11,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:36:11,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:36:11,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:36:11,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:36:11,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:36:11,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:36:11,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:36:11,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:36:11,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:36:11,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:36:11,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:36:11,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:36:11,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:36:11,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:36:11,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:36:11,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:36:11,671 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:36:11,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:36:11,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:36:11,673 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:36:11,674 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:36:11,674 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:36:11,674 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:36:11,674 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:36:11,675 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:36:11,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:36:11,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:36:11,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:36:11,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:36:11,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:36:11,678 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:36:11,678 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:36:11,679 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:36:11,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:36:11,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:36:11,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:36:11,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:36:11,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:36:11,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:36:11,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:36:11,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:36:11,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:36:11,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:36:11,685 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:36:11,685 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:36:11,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:36:11,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:36:11,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:36:11,686 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_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 [2021-11-03 04:36:12,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:36:12,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:36:12,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:36:12,082 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:36:12,082 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:36:12,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2021-11-03 04:36:12,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/data/4cbe4b7b4/6c28b4715f1f40f6915580cbe9db8ab4/FLAG3896f3e45 [2021-11-03 04:36:13,026 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:36:13,028 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2021-11-03 04:36:13,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/data/4cbe4b7b4/6c28b4715f1f40f6915580cbe9db8ab4/FLAG3896f3e45 [2021-11-03 04:36:13,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/data/4cbe4b7b4/6c28b4715f1f40f6915580cbe9db8ab4 [2021-11-03 04:36:13,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:36:13,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:36:13,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:36:13,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:36:13,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:36:13,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:36:13" (1/1) ... [2021-11-03 04:36:13,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34306b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:13, skipping insertion in model container [2021-11-03 04:36:13,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:36:13" (1/1) ... [2021-11-03 04:36:13,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:36:13,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:36:13,609 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_5473b0a7-7857-496f-9d6d-7967e452278a/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2021-11-03 04:36:13,616 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_5473b0a7-7857-496f-9d6d-7967e452278a/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2021-11-03 04:36:13,646 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:36:13,661 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:36:14,673 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:36:14,750 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:14,750 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:14,751 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:14,752 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:14,752 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:14,765 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:14,765 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:14,767 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:14,768 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:14,769 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:14,771 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:14,771 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:14,772 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,161 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:36:15,163 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:36:15,164 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:36:15,165 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:36:15,167 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:36:15,168 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:36:15,168 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:36:15,170 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:36:15,171 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:36:15,171 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:36:15,307 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,316 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:36:15,461 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:36:15,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:36:15,536 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_5473b0a7-7857-496f-9d6d-7967e452278a/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2021-11-03 04:36:15,537 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_5473b0a7-7857-496f-9d6d-7967e452278a/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2021-11-03 04:36:15,538 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:36:15,539 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:36:15,586 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:36:15,618 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,627 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,628 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,629 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,631 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,639 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,645 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,647 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,650 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,653 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,653 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,654 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,655 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,711 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:36:15,712 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:36:15,713 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:36:15,713 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:36:15,714 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:36:15,715 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:36:15,715 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:36:15,716 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:36:15,716 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:36:15,719 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:36:15,748 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,756 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:36:15,815 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:36:15,828 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_5473b0a7-7857-496f-9d6d-7967e452278a/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2021-11-03 04:36:15,828 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_5473b0a7-7857-496f-9d6d-7967e452278a/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2021-11-03 04:36:15,830 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:36:15,831 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:36:15,887 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:36:15,899 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,900 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,900 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,901 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,901 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,906 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,907 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,908 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,908 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,909 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,910 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,910 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,910 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:15,940 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:36:15,941 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:36:15,942 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:36:15,943 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:36:15,944 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:36:15,944 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:36:15,945 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:36:15,945 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:36:15,945 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:36:15,946 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:36:15,962 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:16,014 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:36:16,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:36:16,307 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:36:16,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:16 WrapperNode [2021-11-03 04:36:16,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:36:16,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:36:16,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:36:16,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:36:16,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:16" (1/1) ... [2021-11-03 04:36:16,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:16" (1/1) ... [2021-11-03 04:36:16,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:36:16,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:36:16,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:36:16,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:36:16,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:16" (1/1) ... [2021-11-03 04:36:16,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:16" (1/1) ... [2021-11-03 04:36:16,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:16" (1/1) ... [2021-11-03 04:36:16,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:16" (1/1) ... [2021-11-03 04:36:16,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:16" (1/1) ... [2021-11-03 04:36:16,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:16" (1/1) ... [2021-11-03 04:36:16,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:16" (1/1) ... [2021-11-03 04:36:16,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:36:16,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:36:16,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:36:16,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:36:16,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:16" (1/1) ... [2021-11-03 04:36:16,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:36:16,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:36:16,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:36:16,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:36:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 04:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:36:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:36:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-03 04:36:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:36:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:36:31,396 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:36:31,396 INFO L299 CfgBuilder]: Removed 92 assume(true) statements. [2021-11-03 04:36:31,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:36:31 BoogieIcfgContainer [2021-11-03 04:36:31,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:36:31,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:36:31,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:36:31,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:36:31,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:36:13" (1/3) ... [2021-11-03 04:36:31,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178bef11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:36:31, skipping insertion in model container [2021-11-03 04:36:31,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:36:16" (2/3) ... [2021-11-03 04:36:31,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178bef11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:36:31, skipping insertion in model container [2021-11-03 04:36:31,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:36:31" (3/3) ... [2021-11-03 04:36:31,406 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness.i [2021-11-03 04:36:31,411 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:36:31,411 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-11-03 04:36:31,457 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:36:31,462 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 [2021-11-03 04:36:31,463 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-03 04:36:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 105 states have (on average 1.4095238095238096) internal successors, (148), 112 states have internal predecessors, (148), 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) [2021-11-03 04:36:31,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 04:36:31,484 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:36:31,485 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] [2021-11-03 04:36:31,485 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-03 04:36:31,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:36:31,491 INFO L85 PathProgramCache]: Analyzing trace with hash -787916854, now seen corresponding path program 1 times [2021-11-03 04:36:31,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:36:31,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720507906] [2021-11-03 04:36:31,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:36:31,510 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:36:31,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:36:31,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:36:31,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:36:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:36:35,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:36:35,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:36:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:36:35,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:36:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:36:35,721 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:36:35,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720507906] [2021-11-03 04:36:35,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720507906] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:36:35,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:36:35,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:36:35,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588419856] [2021-11-03 04:36:35,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:36:35,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:36:35,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:36:35,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:36:35,749 INFO L87 Difference]: Start difference. First operand has 113 states, 105 states have (on average 1.4095238095238096) internal successors, (148), 112 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-11-03 04:36:35,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:36:35,795 INFO L93 Difference]: Finished difference Result 222 states and 291 transitions. [2021-11-03 04:36:35,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:36:35,796 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-11-03 04:36:35,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:36:35,807 INFO L225 Difference]: With dead ends: 222 [2021-11-03 04:36:35,808 INFO L226 Difference]: Without dead ends: 108 [2021-11-03 04:36:35,812 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:36:35,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-11-03 04:36:35,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-11-03 04:36:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 101 states have (on average 1.297029702970297) internal successors, (131), 107 states have internal predecessors, (131), 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) [2021-11-03 04:36:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 131 transitions. [2021-11-03 04:36:35,869 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 131 transitions. Word has length 25 [2021-11-03 04:36:35,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:36:35,869 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 131 transitions. [2021-11-03 04:36:35,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-11-03 04:36:35,870 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2021-11-03 04:36:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 04:36:35,874 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:36:35,874 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] [2021-11-03 04:36:35,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:36:36,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:36:36,089 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-03 04:36:36,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:36:36,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1180579266, now seen corresponding path program 1 times [2021-11-03 04:36:36,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:36:36,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847199891] [2021-11-03 04:36:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:36:36,095 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:36:36,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:36:36,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:36:36,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:36:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:36:40,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:36:40,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:36:40,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:36:40,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:36:40,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:36:40,599 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:36:40,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847199891] [2021-11-03 04:36:40,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847199891] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:36:40,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:36:40,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 04:36:40,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808988836] [2021-11-03 04:36:40,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:36:40,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:36:40,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:36:40,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:36:40,603 INFO L87 Difference]: Start difference. First operand 108 states and 131 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-03 04:36:40,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:36:40,664 INFO L93 Difference]: Finished difference Result 203 states and 247 transitions. [2021-11-03 04:36:40,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:36:40,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-11-03 04:36:40,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:36:40,673 INFO L225 Difference]: With dead ends: 203 [2021-11-03 04:36:40,673 INFO L226 Difference]: Without dead ends: 109 [2021-11-03 04:36:40,675 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:36:40,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-03 04:36:40,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-11-03 04:36:40,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 102 states have (on average 1.2941176470588236) internal successors, (132), 108 states have internal predecessors, (132), 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) [2021-11-03 04:36:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 132 transitions. [2021-11-03 04:36:40,689 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 132 transitions. Word has length 25 [2021-11-03 04:36:40,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:36:40,689 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 132 transitions. [2021-11-03 04:36:40,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-03 04:36:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2021-11-03 04:36:40,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 04:36:40,691 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:36:40,691 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] [2021-11-03 04:36:40,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:36:40,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:36:40,917 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-03 04:36:40,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:36:40,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1998227716, now seen corresponding path program 1 times [2021-11-03 04:36:40,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:36:40,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935459993] [2021-11-03 04:36:40,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:36:40,924 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:36:40,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:36:40,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:36:40,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:36:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:36:44,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-03 04:36:44,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:36:45,683 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,684 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 28 case distinctions, treesize of input 155 treesize of output 59 [2021-11-03 04:36:45,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:36:45,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:36:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:36:46,824 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:36:46,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935459993] [2021-11-03 04:36:46,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935459993] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:36:46,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:36:46,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-03 04:36:46,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503146550] [2021-11-03 04:36:46,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 04:36:46,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:36:46,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 04:36:46,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-03 04:36:46,827 INFO L87 Difference]: Start difference. First operand 109 states and 132 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 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) [2021-11-03 04:37:25,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:37:25,133 INFO L93 Difference]: Finished difference Result 285 states and 346 transitions. [2021-11-03 04:37:25,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 04:37:25,139 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 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 25 [2021-11-03 04:37:25,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:37:25,140 INFO L225 Difference]: With dead ends: 285 [2021-11-03 04:37:25,141 INFO L226 Difference]: Without dead ends: 191 [2021-11-03 04:37:25,142 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-03 04:37:25,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-11-03 04:37:25,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 105. [2021-11-03 04:37:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 98 states have (on average 1.2959183673469388) internal successors, (127), 104 states have internal predecessors, (127), 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) [2021-11-03 04:37:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 127 transitions. [2021-11-03 04:37:25,153 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 127 transitions. Word has length 25 [2021-11-03 04:37:25,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:37:25,153 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 127 transitions. [2021-11-03 04:37:25,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 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) [2021-11-03 04:37:25,154 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2021-11-03 04:37:25,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 04:37:25,155 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:37:25,155 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] [2021-11-03 04:37:25,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:37:25,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:37:25,365 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-03 04:37:25,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:37:25,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1010769190, now seen corresponding path program 1 times [2021-11-03 04:37:25,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:37:25,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170521487] [2021-11-03 04:37:25,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:37:25,371 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:37:25,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:37:25,373 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:37:25,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:37:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:37:29,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1544 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:37:29,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:37:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:37:29,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:37:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:37:29,524 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:37:29,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170521487] [2021-11-03 04:37:29,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170521487] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:37:29,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:37:29,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:37:29,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099847844] [2021-11-03 04:37:29,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:37:29,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:37:29,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:37:29,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:37:29,526 INFO L87 Difference]: Start difference. First operand 105 states and 127 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-11-03 04:37:29,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:37:29,962 INFO L93 Difference]: Finished difference Result 182 states and 219 transitions. [2021-11-03 04:37:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:37:29,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2021-11-03 04:37:29,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:37:29,964 INFO L225 Difference]: With dead ends: 182 [2021-11-03 04:37:29,964 INFO L226 Difference]: Without dead ends: 105 [2021-11-03 04:37:29,965 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:37:29,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-11-03 04:37:29,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-11-03 04:37:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 98 states have (on average 1.2653061224489797) internal successors, (124), 104 states have internal predecessors, (124), 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) [2021-11-03 04:37:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2021-11-03 04:37:29,976 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 28 [2021-11-03 04:37:29,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:37:29,976 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2021-11-03 04:37:29,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-11-03 04:37:29,977 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2021-11-03 04:37:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 04:37:29,978 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:37:29,978 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] [2021-11-03 04:37:30,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-03 04:37:30,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:37:30,197 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-03 04:37:30,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:37:30,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1709213020, now seen corresponding path program 1 times [2021-11-03 04:37:30,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:37:30,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630414306] [2021-11-03 04:37:30,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:37:30,200 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:37:30,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:37:30,201 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:37:30,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:37:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:37:34,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:37:34,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:37:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:37:34,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:37:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:37:34,830 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:37:34,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630414306] [2021-11-03 04:37:34,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630414306] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:37:34,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:37:34,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:37:34,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376235753] [2021-11-03 04:37:34,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:37:34,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:37:34,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:37:34,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:37:34,832 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-11-03 04:37:35,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:37:35,291 INFO L93 Difference]: Finished difference Result 203 states and 243 transitions. [2021-11-03 04:37:35,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:37:35,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 44 [2021-11-03 04:37:35,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:37:35,294 INFO L225 Difference]: With dead ends: 203 [2021-11-03 04:37:35,294 INFO L226 Difference]: Without dead ends: 125 [2021-11-03 04:37:35,295 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:37:35,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-03 04:37:35,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 113. [2021-11-03 04:37:35,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 106 states have (on average 1.2452830188679245) internal successors, (132), 112 states have internal predecessors, (132), 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) [2021-11-03 04:37:35,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 132 transitions. [2021-11-03 04:37:35,307 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 132 transitions. Word has length 44 [2021-11-03 04:37:35,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:37:35,308 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 132 transitions. [2021-11-03 04:37:35,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-11-03 04:37:35,308 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2021-11-03 04:37:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 04:37:35,310 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:37:35,310 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] [2021-11-03 04:37:35,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:37:35,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:37:35,537 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-03 04:37:35,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:37:35,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1122407006, now seen corresponding path program 1 times [2021-11-03 04:37:35,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:37:35,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490278127] [2021-11-03 04:37:35,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:37:35,540 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:37:35,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:37:35,541 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:37:35,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 04:37:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:37:39,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 1662 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-03 04:37:39,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:37:40,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-03 04:37:40,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-03 04:37:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:37:40,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:37:43,123 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:37:43,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 43 [2021-11-03 04:37:43,187 INFO L354 Elim1Store]: treesize reduction 8, result has 46.7 percent of original size [2021-11-03 04:37:43,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 34 [2021-11-03 04:37:43,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:37:43,351 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:37:43,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490278127] [2021-11-03 04:37:43,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490278127] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:37:43,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:37:43,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2021-11-03 04:37:43,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60919754] [2021-11-03 04:37:43,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 04:37:43,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:37:43,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 04:37:43,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-03 04:37:43,354 INFO L87 Difference]: Start difference. First operand 113 states and 132 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 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) [2021-11-03 04:38:11,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:38:11,150 INFO L93 Difference]: Finished difference Result 192 states and 224 transitions. [2021-11-03 04:38:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 04:38:11,151 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 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 44 [2021-11-03 04:38:11,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:38:11,153 INFO L225 Difference]: With dead ends: 192 [2021-11-03 04:38:11,154 INFO L226 Difference]: Without dead ends: 131 [2021-11-03 04:38:11,154 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-11-03 04:38:11,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-03 04:38:11,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 118. [2021-11-03 04:38:11,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 111 states have (on average 1.2342342342342343) internal successors, (137), 117 states have internal predecessors, (137), 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) [2021-11-03 04:38:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 137 transitions. [2021-11-03 04:38:11,163 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 137 transitions. Word has length 44 [2021-11-03 04:38:11,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:38:11,163 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 137 transitions. [2021-11-03 04:38:11,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 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) [2021-11-03 04:38:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 137 transitions. [2021-11-03 04:38:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 04:38:11,166 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:38:11,166 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] [2021-11-03 04:38:11,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-03 04:38:11,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:38:11,381 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-03 04:38:11,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:38:11,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1065148704, now seen corresponding path program 1 times [2021-11-03 04:38:11,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:38:11,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090277508] [2021-11-03 04:38:11,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:38:11,385 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:38:11,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:38:11,387 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:38:11,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 04:38:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:38:15,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 1660 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 04:38:15,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:38:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:38:15,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:38:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:38:16,264 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:38:16,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090277508] [2021-11-03 04:38:16,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090277508] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:38:16,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:38:16,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 04:38:16,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226417065] [2021-11-03 04:38:16,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:38:16,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:38:16,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:38:16,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:38:16,266 INFO L87 Difference]: Start difference. First operand 118 states and 137 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-11-03 04:38:16,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:38:16,801 INFO L93 Difference]: Finished difference Result 163 states and 185 transitions. [2021-11-03 04:38:16,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:38:16,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 44 [2021-11-03 04:38:16,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:38:16,804 INFO L225 Difference]: With dead ends: 163 [2021-11-03 04:38:16,804 INFO L226 Difference]: Without dead ends: 118 [2021-11-03 04:38:16,804 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:38:16,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-03 04:38:16,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-11-03 04:38:16,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 111 states have (on average 1.2252252252252251) internal successors, (136), 117 states have internal predecessors, (136), 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) [2021-11-03 04:38:16,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2021-11-03 04:38:16,810 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 44 [2021-11-03 04:38:16,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:38:16,811 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2021-11-03 04:38:16,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-11-03 04:38:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2021-11-03 04:38:16,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-03 04:38:16,813 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:38:16,814 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] [2021-11-03 04:38:16,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 04:38:17,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:38:17,029 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-03 04:38:17,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:38:17,029 INFO L85 PathProgramCache]: Analyzing trace with hash 639277636, now seen corresponding path program 1 times [2021-11-03 04:38:17,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:38:17,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111008859] [2021-11-03 04:38:17,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:38:17,032 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:38:17,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:38:17,033 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:38:17,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5473b0a7-7857-496f-9d6d-7967e452278a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 04:40:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:57,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 1719 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-03 04:40:57,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:57,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-03 04:40:57,707 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-03 04:40:57,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-11-03 04:40:57,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2021-11-03 04:40:58,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:40:58,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2021-11-03 04:40:58,548 INFO L354 Elim1Store]: treesize reduction 22, result has 40.5 percent of original size [2021-11-03 04:40:58,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 43 [2021-11-03 04:40:58,966 INFO L354 Elim1Store]: treesize reduction 1610, result has 0.6 percent of original size [2021-11-03 04:40:58,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 117 treesize of output 22 [2021-11-03 04:40:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:59,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:59,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:40:59,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-03 04:41:01,771 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_aws_mul_u64_checked_~r.base) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64)) v_DerPreprocessor_2) (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_3) (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_4) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64)) v_DerPreprocessor_5) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64)) v_DerPreprocessor_6) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64)) v_DerPreprocessor_7) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64)) v_DerPreprocessor_8)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64)))))) is different from false [2021-11-03 04:41:03,964 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_53| (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (or (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_53| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_53|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64)) v_DerPreprocessor_2) (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_3) (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_4) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64)) v_DerPreprocessor_5) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64)) v_DerPreprocessor_6) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64)) v_DerPreprocessor_7) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64)) v_DerPreprocessor_8)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64))))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_53|))))) is different from false [2021-11-03 04:41:06,154 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_53| (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_53|))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_53| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_53|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64)) v_DerPreprocessor_2) (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_3) (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_4) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64)) v_DerPreprocessor_5) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64)) v_DerPreprocessor_6) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64)) v_DerPreprocessor_7) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64)) v_DerPreprocessor_8)) |c_ULTIMATE.start_aws_array_list_clear_harness_~#list~0.base|) (bvadd |c_ULTIMATE.start_aws_array_list_clear_harness_~#list~0.offset| (_ bv32 64))))))) is different from false [2021-11-03 04:41:08,316 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_53| (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (|ULTIMATE.start_ensure_array_list_has_allocated_data_member_#t~ite589.base| (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_53|))) (not (= (_ bv0 64) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_ensure_array_list_has_allocated_data_member_~list.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_ensure_array_list_has_allocated_data_member_~list.base) c_ULTIMATE.start_ensure_array_list_has_allocated_data_member_~list.offset |ULTIMATE.start_ensure_array_list_has_allocated_data_member_#t~ite589.base|)))) (store .cse0 |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_53| (store (store (store (store (store (store (store (store (select .cse0 |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_53|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64)) v_DerPreprocessor_2) (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_3) (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_4) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64)) v_DerPreprocessor_5) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64)) v_DerPreprocessor_6) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64)) v_DerPreprocessor_7) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64)) v_DerPreprocessor_8))) |c_ULTIMATE.start_aws_array_list_clear_harness_~#list~0.base|) (bvadd |c_ULTIMATE.start_aws_array_list_clear_harness_~#list~0.offset| (_ bv32 64))))))) is different from false [2021-11-03 04:41:30,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3941474307398637 treesize of output 3940649673677805