./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs --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 edc61b8c285d87a6706f10a0369a5dd380942e398b4b2231a7f494f856622f23 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:48:07,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:48:07,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:48:07,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:48:07,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:48:07,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:48:07,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:48:07,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:48:07,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:48:07,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:48:07,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:48:07,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:48:07,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:48:07,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:48:07,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:48:07,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:48:07,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:48:07,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:48:07,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:48:07,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:48:07,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:48:07,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:48:07,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:48:07,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:48:07,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:48:07,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:48:07,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:48:07,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:48:07,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:48:07,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:48:07,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:48:07,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:48:07,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:48:07,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:48:07,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:48:07,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:48:07,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:48:07,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:48:07,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:48:07,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:48:07,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:48:07,290 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:48:07,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:48:07,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:48:07,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:48:07,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:48:07,342 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:48:07,342 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:48:07,342 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:48:07,343 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:48:07,343 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:48:07,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:48:07,345 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:48:07,345 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:48:07,345 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:48:07,346 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:48:07,346 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:48:07,347 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:48:07,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:48:07,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:48:07,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:48:07,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:48:07,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:48:07,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:48:07,350 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:48:07,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:48:07,350 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:48:07,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:48:07,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:48:07,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:48:07,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:48:07,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:48:07,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:48:07,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:48:07,356 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:48:07,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:48:07,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:48:07,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:48:07,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:48:07,357 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_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edc61b8c285d87a6706f10a0369a5dd380942e398b4b2231a7f494f856622f23 [2021-11-19 14:48:07,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:48:07,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:48:07,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:48:07,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:48:07,758 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:48:07,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i [2021-11-19 14:48:07,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/data/b9fc64aa8/99fec7a599e94754b369ae64e732650b/FLAG36efa6dc1 [2021-11-19 14:48:08,950 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:48:08,955 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i [2021-11-19 14:48:09,036 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/data/b9fc64aa8/99fec7a599e94754b369ae64e732650b/FLAG36efa6dc1 [2021-11-19 14:48:09,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/data/b9fc64aa8/99fec7a599e94754b369ae64e732650b [2021-11-19 14:48:09,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:48:09,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:48:09,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:48:09,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:48:09,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:48:09,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:09" (1/1) ... [2021-11-19 14:48:09,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed44875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09, skipping insertion in model container [2021-11-19 14:48:09,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:09" (1/1) ... [2021-11-19 14:48:09,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:48:09,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:48:09,941 WARN L230 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_659e85ed-89b5-4a86-a904-bfef37f8d89a/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4503,4516] [2021-11-19 14:48:09,953 WARN L230 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_659e85ed-89b5-4a86-a904-bfef37f8d89a/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4563,4576] [2021-11-19 14:48:09,994 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:48:10,006 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:48:11,227 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,229 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,231 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,232 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,236 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,255 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,256 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,259 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,259 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,262 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,263 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,265 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,265 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:11,843 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:48:11,844 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:48:11,846 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:48:11,848 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:48:11,851 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:48:11,852 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:48:11,853 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:48:11,854 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:48:11,855 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:48:11,856 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:48:12,120 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:48:12,593 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,594 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,635 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,637 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,645 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,646 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,665 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,667 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,668 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,669 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,669 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,670 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,671 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:12,717 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:48:12,776 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) [2021-11-19 14:48:12,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68770c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:12, skipping insertion in model container [2021-11-19 14:48:12,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:48:12,778 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:48:12,781 INFO L158 Benchmark]: Toolchain (without parser) took 3468.48ms. Allocated memory was 107.0MB in the beginning and 159.4MB in the end (delta: 52.4MB). Free memory was 80.5MB in the beginning and 91.5MB in the end (delta: -11.0MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2021-11-19 14:48:12,781 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:48:12,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3465.28ms. Allocated memory was 107.0MB in the beginning and 159.4MB in the end (delta: 52.4MB). Free memory was 80.3MB in the beginning and 91.5MB in the end (delta: -11.2MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2021-11-19 14:48:12,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3465.28ms. Allocated memory was 107.0MB in the beginning and 159.4MB in the end (delta: 52.4MB). Free memory was 80.3MB in the beginning and 91.5MB in the end (delta: -11.2MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7051]: 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_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs --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 edc61b8c285d87a6706f10a0369a5dd380942e398b4b2231a7f494f856622f23 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:48:15,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:48:15,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:48:15,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:48:15,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:48:15,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:48:15,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:48:15,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:48:15,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:48:15,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:48:15,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:48:15,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:48:15,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:48:15,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:48:15,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:48:15,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:48:15,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:48:15,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:48:15,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:48:15,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:48:15,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:48:15,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:48:15,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:48:15,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:48:15,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:48:15,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:48:15,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:48:15,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:48:15,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:48:15,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:48:15,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:48:15,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:48:15,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:48:15,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:48:15,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:48:15,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:48:15,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:48:15,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:48:15,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:48:15,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:48:15,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:48:15,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:48:15,837 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:48:15,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:48:15,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:48:15,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:48:15,839 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:48:15,840 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:48:15,840 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:48:15,840 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:48:15,841 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:48:15,841 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:48:15,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:48:15,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:48:15,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:48:15,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:48:15,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:48:15,844 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:48:15,844 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:48:15,844 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:48:15,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:48:15,845 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:48:15,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:48:15,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:48:15,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:48:15,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:48:15,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:48:15,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:48:15,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:48:15,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:48:15,847 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:48:15,848 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:48:15,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:48:15,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:48:15,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:48:15,849 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_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edc61b8c285d87a6706f10a0369a5dd380942e398b4b2231a7f494f856622f23 [2021-11-19 14:48:16,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:48:16,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:48:16,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:48:16,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:48:16,349 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:48:16,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i [2021-11-19 14:48:16,443 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/data/bca3e1c9d/501a4c051fbe4f92b2b75a67095d3a27/FLAG66f315a7f [2021-11-19 14:48:17,587 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:48:17,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i [2021-11-19 14:48:17,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/data/bca3e1c9d/501a4c051fbe4f92b2b75a67095d3a27/FLAG66f315a7f [2021-11-19 14:48:17,913 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/data/bca3e1c9d/501a4c051fbe4f92b2b75a67095d3a27 [2021-11-19 14:48:17,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:48:17,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:48:17,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:48:17,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:48:17,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:48:17,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:17" (1/1) ... [2021-11-19 14:48:17,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f0c641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:17, skipping insertion in model container [2021-11-19 14:48:17,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:17" (1/1) ... [2021-11-19 14:48:17,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:48:18,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:48:18,672 WARN L230 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_659e85ed-89b5-4a86-a904-bfef37f8d89a/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4503,4516] [2021-11-19 14:48:18,682 WARN L230 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_659e85ed-89b5-4a86-a904-bfef37f8d89a/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4563,4576] [2021-11-19 14:48:18,727 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:48:18,737 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:48:20,116 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,123 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,124 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,125 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,132 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,158 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,159 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,162 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,163 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,166 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,175 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,176 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,177 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:20,799 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:48:20,800 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:48:20,802 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:48:20,803 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:48:20,805 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:48:20,806 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:48:20,806 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:48:20,807 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:48:20,808 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:48:20,809 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:48:21,060 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:48:21,646 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,647 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,677 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,681 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,689 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,689 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,732 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,733 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,734 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,734 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,735 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,735 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,736 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:21,803 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:48:21,882 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:48:21,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:48:21,972 WARN L230 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_659e85ed-89b5-4a86-a904-bfef37f8d89a/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4503,4516] [2021-11-19 14:48:21,973 WARN L230 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_659e85ed-89b5-4a86-a904-bfef37f8d89a/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4563,4576] [2021-11-19 14:48:21,975 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:48:21,976 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:48:22,019 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,021 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,021 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,022 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,023 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,034 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,035 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,037 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,038 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,039 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,041 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,042 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,042 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,099 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:48:22,100 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:48:22,102 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:48:22,104 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:48:22,105 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:48:22,106 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:48:22,106 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:48:22,107 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:48:22,108 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:48:22,112 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:48:22,157 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:48:22,380 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,380 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,397 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,398 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,402 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,403 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,419 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,421 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,422 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,422 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,423 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,423 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,424 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,452 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:48:22,500 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:48:22,572 WARN L230 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_659e85ed-89b5-4a86-a904-bfef37f8d89a/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4503,4516] [2021-11-19 14:48:22,579 WARN L230 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_659e85ed-89b5-4a86-a904-bfef37f8d89a/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4563,4576] [2021-11-19 14:48:22,581 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:48:22,582 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:48:22,626 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,628 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,629 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,630 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,631 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,642 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,643 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,644 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,645 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,649 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,652 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,653 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,653 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,692 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:48:22,695 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:48:22,696 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:48:22,697 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:48:22,698 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:48:22,698 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:48:22,699 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:48:22,699 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:48:22,700 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:48:22,701 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:48:22,729 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:48:22,869 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,869 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,885 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,886 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,892 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,892 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,906 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,907 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,908 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,909 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,909 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,910 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,910 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:48:22,944 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:48:23,650 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:48:23,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:23 WrapperNode [2021-11-19 14:48:23,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:48:23,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:48:23,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:48:23,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:48:23,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:23" (1/1) ... [2021-11-19 14:48:23,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:23" (1/1) ... [2021-11-19 14:48:23,965 INFO L137 Inliner]: procedures = 797, calls = 2431, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 764 [2021-11-19 14:48:23,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:48:23,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:48:23,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:48:23,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:48:23,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:23" (1/1) ... [2021-11-19 14:48:23,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:23" (1/1) ... [2021-11-19 14:48:23,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:23" (1/1) ... [2021-11-19 14:48:23,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:23" (1/1) ... [2021-11-19 14:48:24,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:23" (1/1) ... [2021-11-19 14:48:24,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:23" (1/1) ... [2021-11-19 14:48:24,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:23" (1/1) ... [2021-11-19 14:48:24,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:48:24,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:48:24,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:48:24,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:48:24,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:23" (1/1) ... [2021-11-19 14:48:24,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:48:24,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:48:24,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:48:24,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:48:24,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-19 14:48:24,214 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-19 14:48:24,222 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-19 14:48:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-19 14:48:24,223 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-19 14:48:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:48:24,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:48:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-11-19 14:48:24,224 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-11-19 14:48:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:48:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:48:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:48:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:48:24,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:48:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-19 14:48:24,226 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-19 14:48:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-19 14:48:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:48:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-19 14:48:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-19 14:48:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-19 14:48:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:48:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-11-19 14:48:24,229 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-11-19 14:48:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2021-11-19 14:48:24,229 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2021-11-19 14:48:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:48:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:48:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:48:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-11-19 14:48:24,231 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-11-19 14:48:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2021-11-19 14:48:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2021-11-19 14:48:24,232 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-11-19 14:48:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-11-19 14:48:24,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:48:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-19 14:48:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 14:48:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 14:48:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:48:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-11-19 14:48:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-11-19 14:48:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:48:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-19 14:48:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-19 14:48:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-19 14:48:24,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-19 14:48:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-19 14:48:24,236 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-19 14:48:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2021-11-19 14:48:24,237 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2021-11-19 14:48:24,838 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:48:24,841 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:48:36,396 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2021-11-19 14:48:36,428 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:48:36,439 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:48:36,440 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 14:48:36,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:36 BoogieIcfgContainer [2021-11-19 14:48:36,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:48:36,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:48:36,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:48:36,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:48:36,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:48:17" (1/3) ... [2021-11-19 14:48:36,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e4cd4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:48:36, skipping insertion in model container [2021-11-19 14:48:36,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:23" (2/3) ... [2021-11-19 14:48:36,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e4cd4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:48:36, skipping insertion in model container [2021-11-19 14:48:36,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:36" (3/3) ... [2021-11-19 14:48:36,454 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_init_unbounded_harness.i [2021-11-19 14:48:36,461 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:48:36,461 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:48:36,532 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:48:36,540 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 [2021-11-19 14:48:36,541 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:48:36,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 98 states have (on average 1.2346938775510203) internal successors, (121), 98 states have internal predecessors, (121), 34 states have call successors, (34), 17 states have call predecessors, (34), 17 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2021-11-19 14:48:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-19 14:48:36,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:36,580 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:36,581 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:48:36,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:36,588 INFO L85 PathProgramCache]: Analyzing trace with hash 947556047, now seen corresponding path program 1 times [2021-11-19 14:48:36,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:36,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025265030] [2021-11-19 14:48:36,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:36,614 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:36,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:36,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:36,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:48:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:37,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 14:48:37,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:37,886 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-19 14:48:37,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:38,149 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-19 14:48:38,150 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:38,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025265030] [2021-11-19 14:48:38,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025265030] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:48:38,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:48:38,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-19 14:48:38,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215312292] [2021-11-19 14:48:38,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:38,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:48:38,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:38,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:48:38,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:48:38,204 INFO L87 Difference]: Start difference. First operand has 150 states, 98 states have (on average 1.2346938775510203) internal successors, (121), 98 states have internal predecessors, (121), 34 states have call successors, (34), 17 states have call predecessors, (34), 17 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-19 14:48:38,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:38,298 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2021-11-19 14:48:38,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:48:38,304 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2021-11-19 14:48:38,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:38,323 INFO L225 Difference]: With dead ends: 294 [2021-11-19 14:48:38,323 INFO L226 Difference]: Without dead ends: 143 [2021-11-19 14:48:38,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:48:38,342 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:38,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:48:38,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-11-19 14:48:38,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2021-11-19 14:48:38,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 92 states have internal predecessors, (111), 34 states have call successors, (34), 17 states have call predecessors, (34), 17 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-19 14:48:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 178 transitions. [2021-11-19 14:48:38,427 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 178 transitions. Word has length 64 [2021-11-19 14:48:38,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:38,429 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 178 transitions. [2021-11-19 14:48:38,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-19 14:48:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 178 transitions. [2021-11-19 14:48:38,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-19 14:48:38,440 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:38,440 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:38,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-19 14:48:38,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:38,655 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:48:38,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:38,656 INFO L85 PathProgramCache]: Analyzing trace with hash -189789485, now seen corresponding path program 1 times [2021-11-19 14:48:38,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:38,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518508671] [2021-11-19 14:48:38,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:38,661 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:38,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:38,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:38,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:48:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:39,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:48:39,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-19 14:48:39,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-19 14:48:40,266 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:40,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518508671] [2021-11-19 14:48:40,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518508671] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:40,267 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:40,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 14:48:40,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285686297] [2021-11-19 14:48:40,268 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:40,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:48:40,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:40,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:48:40,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:48:40,271 INFO L87 Difference]: Start difference. First operand 143 states and 178 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 14:48:40,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:40,635 INFO L93 Difference]: Finished difference Result 276 states and 340 transitions. [2021-11-19 14:48:40,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:48:40,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 64 [2021-11-19 14:48:40,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:40,642 INFO L225 Difference]: With dead ends: 276 [2021-11-19 14:48:40,642 INFO L226 Difference]: Without dead ends: 152 [2021-11-19 14:48:40,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:48:40,650 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 47 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:40,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 678 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:48:40,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-11-19 14:48:40,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 146. [2021-11-19 14:48:40,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 94 states have (on average 1.202127659574468) internal successors, (113), 95 states have internal predecessors, (113), 34 states have call successors, (34), 17 states have call predecessors, (34), 17 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-19 14:48:40,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 180 transitions. [2021-11-19 14:48:40,677 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 180 transitions. Word has length 64 [2021-11-19 14:48:40,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:40,678 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 180 transitions. [2021-11-19 14:48:40,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 14:48:40,678 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 180 transitions. [2021-11-19 14:48:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-19 14:48:40,681 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:40,681 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:40,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:40,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:40,898 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:48:40,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:40,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1480678321, now seen corresponding path program 1 times [2021-11-19 14:48:40,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:40,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826398612] [2021-11-19 14:48:40,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:40,902 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:40,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:40,904 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:40,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:48:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:41,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:48:41,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-19 14:48:42,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:42,314 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-19 14:48:42,314 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:42,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826398612] [2021-11-19 14:48:42,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826398612] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:42,315 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:42,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 14:48:42,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085232167] [2021-11-19 14:48:42,315 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:42,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:48:42,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:42,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:48:42,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:42,322 INFO L87 Difference]: Start difference. First operand 146 states and 180 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 14:48:44,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:48:44,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:44,731 INFO L93 Difference]: Finished difference Result 266 states and 323 transitions. [2021-11-19 14:48:44,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:48:44,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 65 [2021-11-19 14:48:44,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:44,736 INFO L225 Difference]: With dead ends: 266 [2021-11-19 14:48:44,736 INFO L226 Difference]: Without dead ends: 148 [2021-11-19 14:48:44,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:48:44,738 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 1 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:44,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 521 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 14:48:44,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-11-19 14:48:44,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2021-11-19 14:48:44,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 96 states have (on average 1.1979166666666667) internal successors, (115), 97 states have internal predecessors, (115), 34 states have call successors, (34), 17 states have call predecessors, (34), 17 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-19 14:48:44,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 182 transitions. [2021-11-19 14:48:44,763 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 182 transitions. Word has length 65 [2021-11-19 14:48:44,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:44,764 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 182 transitions. [2021-11-19 14:48:44,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 14:48:44,764 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 182 transitions. [2021-11-19 14:48:44,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-19 14:48:44,766 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:44,767 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:44,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:44,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:44,986 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:48:44,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:44,987 INFO L85 PathProgramCache]: Analyzing trace with hash -341390930, now seen corresponding path program 1 times [2021-11-19 14:48:44,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:44,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426980364] [2021-11-19 14:48:44,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:44,990 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:44,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:44,993 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:45,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:48:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:46,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:48:46,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-19 14:48:46,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-19 14:48:46,856 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:46,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1426980364] [2021-11-19 14:48:46,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1426980364] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:46,857 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:46,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 14:48:46,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173651325] [2021-11-19 14:48:46,857 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:46,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:48:46,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:46,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:48:46,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:46,861 INFO L87 Difference]: Start difference. First operand 148 states and 182 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 14:48:46,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:46,925 INFO L93 Difference]: Finished difference Result 179 states and 216 transitions. [2021-11-19 14:48:46,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:48:46,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2021-11-19 14:48:46,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:46,935 INFO L225 Difference]: With dead ends: 179 [2021-11-19 14:48:46,939 INFO L226 Difference]: Without dead ends: 151 [2021-11-19 14:48:46,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:46,941 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:46,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 524 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:48:46,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-11-19 14:48:46,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2021-11-19 14:48:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 98 states have (on average 1.1938775510204083) internal successors, (117), 99 states have internal predecessors, (117), 34 states have call successors, (34), 17 states have call predecessors, (34), 18 states have return successors, (34), 34 states have call predecessors, (34), 33 states have call successors, (34) [2021-11-19 14:48:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 185 transitions. [2021-11-19 14:48:46,978 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 185 transitions. Word has length 67 [2021-11-19 14:48:46,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:46,981 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 185 transitions. [2021-11-19 14:48:46,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 14:48:46,981 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2021-11-19 14:48:46,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-19 14:48:46,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:46,991 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:47,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:47,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:47,217 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:48:47,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:47,218 INFO L85 PathProgramCache]: Analyzing trace with hash 832205563, now seen corresponding path program 1 times [2021-11-19 14:48:47,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:47,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444360370] [2021-11-19 14:48:47,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:47,221 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:47,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:47,223 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:47,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:48:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:47,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:48:47,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:48,235 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-19 14:48:48,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:48,494 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-19 14:48:48,494 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:48,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444360370] [2021-11-19 14:48:48,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444360370] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:48,495 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:48,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 14:48:48,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493910864] [2021-11-19 14:48:48,495 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:48,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:48:48,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:48,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:48:48,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:48:48,497 INFO L87 Difference]: Start difference. First operand 151 states and 185 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-19 14:48:48,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:48,626 INFO L93 Difference]: Finished difference Result 179 states and 215 transitions. [2021-11-19 14:48:48,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:48:48,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2021-11-19 14:48:48,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:48,629 INFO L225 Difference]: With dead ends: 179 [2021-11-19 14:48:48,630 INFO L226 Difference]: Without dead ends: 151 [2021-11-19 14:48:48,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:48:48,632 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 1 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:48,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 868 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:48:48,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-11-19 14:48:48,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 148. [2021-11-19 14:48:48,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 96 states have (on average 1.1770833333333333) internal successors, (113), 97 states have internal predecessors, (113), 34 states have call successors, (34), 17 states have call predecessors, (34), 17 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-19 14:48:48,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 180 transitions. [2021-11-19 14:48:48,655 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 180 transitions. Word has length 71 [2021-11-19 14:48:48,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:48,655 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 180 transitions. [2021-11-19 14:48:48,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-19 14:48:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 180 transitions. [2021-11-19 14:48:48,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-19 14:48:48,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:48,659 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:48,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:48,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:48,874 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:48:48,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:48,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1235231452, now seen corresponding path program 1 times [2021-11-19 14:48:48,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:48,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930671212] [2021-11-19 14:48:48,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:48,877 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:48,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:48,878 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:48,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:48:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:50,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:48:50,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-19 14:48:50,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-19 14:48:51,343 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:51,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930671212] [2021-11-19 14:48:51,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930671212] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:51,344 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:51,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-19 14:48:51,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967505786] [2021-11-19 14:48:51,344 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:51,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:48:51,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:51,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:48:51,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:48:51,348 INFO L87 Difference]: Start difference. First operand 148 states and 180 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 14:48:51,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:51,457 INFO L93 Difference]: Finished difference Result 248 states and 298 transitions. [2021-11-19 14:48:51,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:48:51,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 87 [2021-11-19 14:48:51,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:51,463 INFO L225 Difference]: With dead ends: 248 [2021-11-19 14:48:51,464 INFO L226 Difference]: Without dead ends: 152 [2021-11-19 14:48:51,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:48:51,465 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 2 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:51,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 688 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:48:51,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-11-19 14:48:51,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2021-11-19 14:48:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 99 states have (on average 1.1717171717171717) internal successors, (116), 100 states have internal predecessors, (116), 34 states have call successors, (34), 17 states have call predecessors, (34), 18 states have return successors, (36), 34 states have call predecessors, (36), 33 states have call successors, (36) [2021-11-19 14:48:51,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 186 transitions. [2021-11-19 14:48:51,482 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 186 transitions. Word has length 87 [2021-11-19 14:48:51,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:51,483 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 186 transitions. [2021-11-19 14:48:51,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 14:48:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 186 transitions. [2021-11-19 14:48:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-19 14:48:51,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:51,486 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:51,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:51,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:51,709 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:48:51,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:51,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1883432893, now seen corresponding path program 1 times [2021-11-19 14:48:51,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:51,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794145236] [2021-11-19 14:48:51,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:51,712 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:51,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:51,714 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:51,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:48:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:53,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 1307 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 14:48:53,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:53,433 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-19 14:48:53,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-19 14:48:53,905 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:53,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [794145236] [2021-11-19 14:48:53,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [794145236] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:53,906 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:53,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-19 14:48:53,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272430121] [2021-11-19 14:48:53,906 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:53,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:48:53,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:53,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:48:53,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:48:53,908 INFO L87 Difference]: Start difference. First operand 152 states and 186 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-19 14:48:56,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:48:56,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:56,105 INFO L93 Difference]: Finished difference Result 187 states and 225 transitions. [2021-11-19 14:48:56,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:48:56,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 93 [2021-11-19 14:48:56,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:56,110 INFO L225 Difference]: With dead ends: 187 [2021-11-19 14:48:56,110 INFO L226 Difference]: Without dead ends: 152 [2021-11-19 14:48:56,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:48:56,112 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:56,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 690 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:48:56,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-11-19 14:48:56,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2021-11-19 14:48:56,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 99 states have (on average 1.1515151515151516) internal successors, (114), 100 states have internal predecessors, (114), 34 states have call successors, (34), 17 states have call predecessors, (34), 18 states have return successors, (36), 34 states have call predecessors, (36), 33 states have call successors, (36) [2021-11-19 14:48:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 184 transitions. [2021-11-19 14:48:56,131 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 184 transitions. Word has length 93 [2021-11-19 14:48:56,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:56,132 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 184 transitions. [2021-11-19 14:48:56,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-19 14:48:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 184 transitions. [2021-11-19 14:48:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-19 14:48:56,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:56,137 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:56,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:56,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:56,353 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:48:56,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:56,354 INFO L85 PathProgramCache]: Analyzing trace with hash -565149588, now seen corresponding path program 1 times [2021-11-19 14:48:56,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:56,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [649755369] [2021-11-19 14:48:56,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:56,357 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:56,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:56,358 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:56,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 14:48:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:58,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 1432 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:48:58,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:58,518 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-19 14:48:58,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-19 14:48:59,099 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:59,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [649755369] [2021-11-19 14:48:59,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [649755369] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:59,099 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:59,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 14:48:59,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857080993] [2021-11-19 14:48:59,100 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:59,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:48:59,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:59,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:48:59,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:48:59,101 INFO L87 Difference]: Start difference. First operand 152 states and 184 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-19 14:48:59,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:59,151 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2021-11-19 14:48:59,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:48:59,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) Word has length 127 [2021-11-19 14:48:59,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:59,156 INFO L225 Difference]: With dead ends: 251 [2021-11-19 14:48:59,156 INFO L226 Difference]: Without dead ends: 152 [2021-11-19 14:48:59,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:48:59,158 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:59,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 687 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:48:59,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-11-19 14:48:59,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 148. [2021-11-19 14:48:59,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 96 states have (on average 1.1354166666666667) internal successors, (109), 97 states have internal predecessors, (109), 34 states have call successors, (34), 17 states have call predecessors, (34), 17 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-19 14:48:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2021-11-19 14:48:59,172 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 127 [2021-11-19 14:48:59,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:59,173 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2021-11-19 14:48:59,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-19 14:48:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2021-11-19 14:48:59,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-19 14:48:59,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:59,177 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:59,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:59,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:59,392 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:48:59,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:59,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1565924244, now seen corresponding path program 1 times [2021-11-19 14:48:59,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:59,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905139016] [2021-11-19 14:48:59,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:59,395 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:59,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:59,396 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:59,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 14:49:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:01,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 1479 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:49:01,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-19 14:49:01,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:02,113 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-19 14:49:02,114 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:02,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [905139016] [2021-11-19 14:49:02,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [905139016] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:02,114 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:02,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-19 14:49:02,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575203861] [2021-11-19 14:49:02,114 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:02,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:49:02,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:02,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:49:02,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:49:02,116 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-19 14:49:02,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:02,237 INFO L93 Difference]: Finished difference Result 189 states and 224 transitions. [2021-11-19 14:49:02,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:49:02,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 132 [2021-11-19 14:49:02,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:02,240 INFO L225 Difference]: With dead ends: 189 [2021-11-19 14:49:02,241 INFO L226 Difference]: Without dead ends: 152 [2021-11-19 14:49:02,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:49:02,242 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 2 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:02,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 671 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:49:02,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-11-19 14:49:02,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2021-11-19 14:49:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 99 states have (on average 1.1313131313131313) internal successors, (112), 100 states have internal predecessors, (112), 34 states have call successors, (34), 17 states have call predecessors, (34), 18 states have return successors, (36), 34 states have call predecessors, (36), 33 states have call successors, (36) [2021-11-19 14:49:02,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 182 transitions. [2021-11-19 14:49:02,256 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 182 transitions. Word has length 132 [2021-11-19 14:49:02,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:02,257 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 182 transitions. [2021-11-19 14:49:02,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-19 14:49:02,258 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 182 transitions. [2021-11-19 14:49:02,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-19 14:49:02,261 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:02,261 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:49:02,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 14:49:02,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:02,485 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:49:02,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:02,486 INFO L85 PathProgramCache]: Analyzing trace with hash -409171429, now seen corresponding path program 1 times [2021-11-19 14:49:02,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:02,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007382717] [2021-11-19 14:49:02,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:02,488 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:02,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:02,488 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:02,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 14:49:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:04,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 1486 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:49:04,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-19 14:49:04,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-19 14:49:04,996 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:04,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007382717] [2021-11-19 14:49:04,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007382717] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:04,997 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:04,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 14:49:04,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028681191] [2021-11-19 14:49:04,997 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:04,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:49:04,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:04,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:49:04,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:04,999 INFO L87 Difference]: Start difference. First operand 152 states and 182 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-19 14:49:07,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:07,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:07,167 INFO L93 Difference]: Finished difference Result 189 states and 223 transitions. [2021-11-19 14:49:07,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:49:07,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 138 [2021-11-19 14:49:07,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:07,170 INFO L225 Difference]: With dead ends: 189 [2021-11-19 14:49:07,170 INFO L226 Difference]: Without dead ends: 152 [2021-11-19 14:49:07,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:49:07,172 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:07,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 507 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 14:49:07,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-11-19 14:49:07,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 148. [2021-11-19 14:49:07,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 96 states have (on average 1.125) internal successors, (108), 97 states have internal predecessors, (108), 34 states have call successors, (34), 17 states have call predecessors, (34), 17 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-19 14:49:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 175 transitions. [2021-11-19 14:49:07,184 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 175 transitions. Word has length 138 [2021-11-19 14:49:07,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:07,185 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 175 transitions. [2021-11-19 14:49:07,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-19 14:49:07,186 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 175 transitions. [2021-11-19 14:49:07,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-19 14:49:07,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:07,189 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:49:07,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 14:49:07,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:07,397 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:49:07,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:07,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1943155675, now seen corresponding path program 1 times [2021-11-19 14:49:07,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:07,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078598899] [2021-11-19 14:49:07,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:07,400 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:07,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:07,400 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:07,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 14:49:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:09,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 1512 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 14:49:09,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-19 14:49:09,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:10,359 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-19 14:49:10,360 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:10,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078598899] [2021-11-19 14:49:10,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078598899] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:10,360 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:10,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-19 14:49:10,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269681382] [2021-11-19 14:49:10,361 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:10,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:49:10,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:10,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:49:10,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:49:10,363 INFO L87 Difference]: Start difference. First operand 148 states and 175 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-19 14:49:10,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:10,486 INFO L93 Difference]: Finished difference Result 196 states and 228 transitions. [2021-11-19 14:49:10,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:49:10,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 145 [2021-11-19 14:49:10,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:10,489 INFO L225 Difference]: With dead ends: 196 [2021-11-19 14:49:10,490 INFO L226 Difference]: Without dead ends: 158 [2021-11-19 14:49:10,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:49:10,491 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 6 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:10,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 823 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:49:10,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-11-19 14:49:10,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 153. [2021-11-19 14:49:10,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 100 states have (on average 1.12) internal successors, (112), 101 states have internal predecessors, (112), 34 states have call successors, (34), 17 states have call predecessors, (34), 18 states have return successors, (34), 34 states have call predecessors, (34), 33 states have call successors, (34) [2021-11-19 14:49:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2021-11-19 14:49:10,503 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 145 [2021-11-19 14:49:10,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:10,504 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2021-11-19 14:49:10,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-19 14:49:10,504 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2021-11-19 14:49:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-19 14:49:10,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:10,507 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:49:10,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 14:49:10,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:10,733 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:49:10,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:10,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1968575859, now seen corresponding path program 1 times [2021-11-19 14:49:10,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:10,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47164458] [2021-11-19 14:49:10,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:10,736 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:10,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:10,737 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:10,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 14:49:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:12,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 14:49:12,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:13,203 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-19 14:49:13,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-19 14:49:13,940 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:13,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47164458] [2021-11-19 14:49:13,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47164458] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:13,941 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:13,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-19 14:49:13,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831454446] [2021-11-19 14:49:13,941 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:13,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:49:13,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:13,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:49:13,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:49:13,943 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-19 14:49:16,303 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:16,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:16,306 INFO L93 Difference]: Finished difference Result 191 states and 222 transitions. [2021-11-19 14:49:16,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 14:49:16,351 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) Word has length 151 [2021-11-19 14:49:16,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:16,353 INFO L225 Difference]: With dead ends: 191 [2021-11-19 14:49:16,353 INFO L226 Difference]: Without dead ends: 146 [2021-11-19 14:49:16,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:49:16,355 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 3 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:16,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1147 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:49:16,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-19 14:49:16,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-11-19 14:49:16,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 95 states have (on average 1.105263157894737) internal successors, (105), 96 states have internal predecessors, (105), 33 states have call successors, (33), 17 states have call predecessors, (33), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-19 14:49:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 170 transitions. [2021-11-19 14:49:16,365 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 170 transitions. Word has length 151 [2021-11-19 14:49:16,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:16,366 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 170 transitions. [2021-11-19 14:49:16,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-19 14:49:16,367 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2021-11-19 14:49:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-19 14:49:16,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:16,370 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:49:16,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-19 14:49:16,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:16,593 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:49:16,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:16,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1989662329, now seen corresponding path program 1 times [2021-11-19 14:49:16,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:16,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908411626] [2021-11-19 14:49:16,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:16,596 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:16,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:16,597 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:16,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 14:49:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:18,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1606 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-19 14:49:18,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:19,823 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 16 treesize of output 12 [2021-11-19 14:49:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-19 14:49:21,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-19 14:49:24,051 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:24,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908411626] [2021-11-19 14:49:24,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1908411626] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:24,052 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:24,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18, 17] imperfect sequences [] total 22 [2021-11-19 14:49:24,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733877730] [2021-11-19 14:49:24,053 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:24,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 14:49:24,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:24,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 14:49:24,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2021-11-19 14:49:24,055 INFO L87 Difference]: Start difference. First operand 146 states and 170 transitions. Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 19 states have internal predecessors, (79), 3 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (26), 4 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-19 14:49:26,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:28,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:30,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:32,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:34,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:35,615 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:37,636 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:39,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:41,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:43,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:45,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:48,001 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:53,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:54,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:54,039 INFO L93 Difference]: Finished difference Result 196 states and 227 transitions. [2021-11-19 14:49:54,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 14:49:54,040 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 19 states have internal predecessors, (79), 3 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (26), 4 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2021-11-19 14:49:54,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:54,044 INFO L225 Difference]: With dead ends: 196 [2021-11-19 14:49:54,044 INFO L226 Difference]: Without dead ends: 163 [2021-11-19 14:49:54,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2021-11-19 14:49:54,047 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 35 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 2 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 2786 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:54,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 2786 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 166 Invalid, 12 Unknown, 69 Unchecked, 29.4s Time] [2021-11-19 14:49:54,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-19 14:49:54,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 158. [2021-11-19 14:49:54,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 105 states have (on average 1.1142857142857143) internal successors, (117), 107 states have internal predecessors, (117), 33 states have call successors, (33), 18 states have call predecessors, (33), 19 states have return successors, (34), 32 states have call predecessors, (34), 32 states have call successors, (34) [2021-11-19 14:49:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 184 transitions. [2021-11-19 14:49:54,063 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 184 transitions. Word has length 169 [2021-11-19 14:49:54,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:54,065 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 184 transitions. [2021-11-19 14:49:54,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 19 states have internal predecessors, (79), 3 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (26), 4 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-19 14:49:54,065 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2021-11-19 14:49:54,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-19 14:49:54,068 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:54,069 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:49:54,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 14:49:54,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:54,289 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:49:54,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:54,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1596635319, now seen corresponding path program 1 times [2021-11-19 14:49:54,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:54,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96373973] [2021-11-19 14:49:54,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:54,293 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:54,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:54,294 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:54,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 14:49:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:56,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 1603 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 14:49:56,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-19 14:49:57,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-19 14:49:58,230 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:58,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96373973] [2021-11-19 14:49:58,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96373973] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:58,231 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:58,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-19 14:49:58,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189593494] [2021-11-19 14:49:58,231 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:58,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:49:58,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:58,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:49:58,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:49:58,233 INFO L87 Difference]: Start difference. First operand 158 states and 184 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-19 14:49:58,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:58,327 INFO L93 Difference]: Finished difference Result 201 states and 233 transitions. [2021-11-19 14:49:58,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:49:58,328 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 169 [2021-11-19 14:49:58,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:58,331 INFO L225 Difference]: With dead ends: 201 [2021-11-19 14:49:58,331 INFO L226 Difference]: Without dead ends: 163 [2021-11-19 14:49:58,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:49:58,333 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 12 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:58,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 474 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:49:58,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-19 14:49:58,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 157. [2021-11-19 14:49:58,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 104 states have (on average 1.1057692307692308) internal successors, (115), 105 states have internal predecessors, (115), 34 states have call successors, (34), 18 states have call predecessors, (34), 18 states have return successors, (34), 33 states have call predecessors, (34), 33 states have call successors, (34) [2021-11-19 14:49:58,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 183 transitions. [2021-11-19 14:49:58,348 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 183 transitions. Word has length 169 [2021-11-19 14:49:58,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:58,349 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 183 transitions. [2021-11-19 14:49:58,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-19 14:49:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 183 transitions. [2021-11-19 14:49:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-19 14:49:58,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:58,352 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:49:58,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-19 14:49:58,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:58,577 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:49:58,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:58,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1397232755, now seen corresponding path program 1 times [2021-11-19 14:49:58,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:58,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172021776] [2021-11-19 14:49:58,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:58,582 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:58,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:58,583 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:58,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-19 14:50:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:50:01,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 1620 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-19 14:50:01,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:50:01,998 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 16 treesize of output 12 [2021-11-19 14:50:04,058 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-19 14:50:04,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:50:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-19 14:50:06,845 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:50:06,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172021776] [2021-11-19 14:50:06,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172021776] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:50:06,847 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:50:06,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 18] imperfect sequences [] total 24 [2021-11-19 14:50:06,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763597857] [2021-11-19 14:50:06,848 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:50:06,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:50:06,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:50:06,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:50:06,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:50:06,850 INFO L87 Difference]: Start difference. First operand 157 states and 183 transitions. Second operand has 24 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 21 states have internal predecessors, (87), 5 states have call successors, (29), 3 states have call predecessors, (29), 7 states have return successors, (28), 6 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 14:50:09,057 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:11,067 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:13,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:15,140 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:17,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:19,160 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:21,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:23,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:25,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:30,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:31,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:50:31,313 INFO L93 Difference]: Finished difference Result 216 states and 250 transitions. [2021-11-19 14:50:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 14:50:31,314 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 21 states have internal predecessors, (87), 5 states have call successors, (29), 3 states have call predecessors, (29), 7 states have return successors, (28), 6 states have call predecessors, (28), 4 states have call successors, (28) Word has length 175 [2021-11-19 14:50:31,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:50:31,317 INFO L225 Difference]: With dead ends: 216 [2021-11-19 14:50:31,317 INFO L226 Difference]: Without dead ends: 173 [2021-11-19 14:50:31,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=88, Invalid=724, Unknown=0, NotChecked=0, Total=812 [2021-11-19 14:50:31,319 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 32 mSDsluCounter, 2604 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2754 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 139 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:50:31,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 2754 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 163 Invalid, 10 Unknown, 139 Unchecked, 23.9s Time] [2021-11-19 14:50:31,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-19 14:50:31,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 162. [2021-11-19 14:50:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 107 states have (on average 1.102803738317757) internal successors, (118), 109 states have internal predecessors, (118), 35 states have call successors, (35), 19 states have call predecessors, (35), 19 states have return successors, (37), 33 states have call predecessors, (37), 34 states have call successors, (37) [2021-11-19 14:50:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 190 transitions. [2021-11-19 14:50:31,334 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 190 transitions. Word has length 175 [2021-11-19 14:50:31,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:50:31,335 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 190 transitions. [2021-11-19 14:50:31,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 21 states have internal predecessors, (87), 5 states have call successors, (29), 3 states have call predecessors, (29), 7 states have return successors, (28), 6 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 14:50:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 190 transitions. [2021-11-19 14:50:31,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-19 14:50:31,338 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:31,339 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:50:31,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-19 14:50:31,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:50:31,541 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:50:31,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:31,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1226739171, now seen corresponding path program 1 times [2021-11-19 14:50:31,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:31,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572312521] [2021-11-19 14:50:31,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:50:31,545 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:31,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:31,546 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:31,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659e85ed-89b5-4a86-a904-bfef37f8d89a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-19 15:00:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:01:09,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 1637 conjuncts, 170 conjunts are in the unsatisfiable core [2021-11-19 15:01:09,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:01:09,680 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 [2021-11-19 15:01:09,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 15 treesize of output 13 [2021-11-19 15:01:10,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:10,536 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-11-19 15:01:10,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 29 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 71 [2021-11-19 15:01:38,246 WARN L227 SmtUtils]: Spent 27.09s on a formula simplification. DAG size of input: 164 DAG size of output: 13 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 15:01:38,247 INFO L354 Elim1Store]: treesize reduction 101562, result has 0.0 percent of original size [2021-11-19 15:01:38,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 134127 treesize of output 101629 [2021-11-19 15:01:48,687 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (bvadd |s_update_template_size_~template#1.offset| (_ bv41 64)) (bvadd (_ bv40 64) |s_update_template_size_~template#1.offset|)) [2021-11-19 15:01:48,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:50,692 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (bvadd (_ bv40 64) |s_update_template_size_~template#1.offset|) (bvadd (_ bv42 64) |s_update_template_size_~template#1.offset|)) [2021-11-19 15:01:50,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:52,698 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (bvadd (_ bv43 64) |s_update_template_size_~template#1.offset|) (bvadd (_ bv40 64) |s_update_template_size_~template#1.offset|)) [2021-11-19 15:01:52,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:54,703 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (bvadd (_ bv44 64) |s_update_template_size_~template#1.offset|) (bvadd (_ bv40 64) |s_update_template_size_~template#1.offset|)) [2021-11-19 15:01:54,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:56,711 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (bvadd (_ bv40 64) |s_update_template_size_~template#1.offset|) (bvadd (_ bv45 64) |s_update_template_size_~template#1.offset|)) [2021-11-19 15:01:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:57,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:57,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:59,419 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (bvadd (_ bv43 64) |s_update_template_size_~template#1.offset|) (bvadd |s_update_template_size_~template#1.offset| (_ bv41 64))) [2021-11-19 15:01:59,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:01:59,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:00,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:01,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:04,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:09,139 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (bvadd (_ bv77 64) |s_update_template_size_~template#1.offset|) (bvadd (_ bv72 64) |s_update_template_size_~template#1.offset|)) [2021-11-19 15:02:09,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:11,144 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (bvadd (_ bv72 64) |s_update_template_size_~template#1.offset|) (bvadd (_ bv79 64) |s_update_template_size_~template#1.offset|)) [2021-11-19 15:02:11,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:13,149 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (bvadd (_ bv74 64) |s_update_template_size_~template#1.offset|) (bvadd (_ bv72 64) |s_update_template_size_~template#1.offset|)) [2021-11-19 15:02:13,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:15,155 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (bvadd |s_update_template_size_~template#1.offset| (_ bv78 64)) (bvadd (_ bv72 64) |s_update_template_size_~template#1.offset|)) [2021-11-19 15:02:15,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:16,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:02:18,465 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (bvadd (_ bv75 64) |s_update_template_size_~template#1.offset|) (bvadd (_ bv72 64) |s_update_template_size_~template#1.offset|)) [2021-11-19 15:02:18,466 INFO L190 IndexEqualityManager]: detected not equals via solver