./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI --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 ba6eb72b2235d93ac0dcdd3f0e672793184c4cf65112c581319750a174c5bca8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:44:40,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:44:40,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:44:40,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:44:40,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:44:40,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:44:40,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:44:40,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:44:40,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:44:40,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:44:40,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:44:40,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:44:40,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:44:40,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:44:40,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:44:40,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:44:40,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:44:40,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:44:40,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:44:40,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:44:40,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:44:40,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:44:40,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:44:40,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:44:40,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:44:40,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:44:40,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:44:40,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:44:40,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:44:40,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:44:40,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:44:40,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:44:40,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:44:40,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:44:40,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:44:40,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:44:40,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:44:40,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:44:40,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:44:40,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:44:40,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:44:40,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:44:40,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:44:40,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:44:40,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:44:40,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:44:40,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:44:40,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:44:40,340 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:44:40,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:44:40,341 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:44:40,341 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:44:40,343 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:44:40,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:44:40,343 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:44:40,344 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:44:40,344 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:44:40,344 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:44:40,344 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:44:40,345 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:44:40,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:44:40,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:44:40,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:44:40,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:44:40,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:44:40,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:44:40,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:44:40,349 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:44:40,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:44:40,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:44:40,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:44:40,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:44:40,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:44:40,351 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:44:40,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:44:40,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:44:40,352 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:44:40,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:44:40,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:44:40,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:44:40,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba6eb72b2235d93ac0dcdd3f0e672793184c4cf65112c581319750a174c5bca8 [2022-11-03 03:44:40,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:44:40,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:44:40,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:44:40,755 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:44:40,756 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:44:40,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i [2022-11-03 03:44:40,851 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/data/177564778/08e52f550ced4afcb549c92d3e77ea03/FLAG38e1c2919 [2022-11-03 03:44:42,057 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:44:42,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i [2022-11-03 03:44:42,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/data/177564778/08e52f550ced4afcb549c92d3e77ea03/FLAG38e1c2919 [2022-11-03 03:44:42,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/data/177564778/08e52f550ced4afcb549c92d3e77ea03 [2022-11-03 03:44:42,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:44:42,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:44:42,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:44:42,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:44:42,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:44:42,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:44:42" (1/1) ... [2022-11-03 03:44:42,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6334ea4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:42, skipping insertion in model container [2022-11-03 03:44:42,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:44:42" (1/1) ... [2022-11-03 03:44:42,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:44:42,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:44:42,659 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_050e947e-368a-4f12-9000-51123dbcf0db/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4493,4506] [2022-11-03 03:44:42,668 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_050e947e-368a-4f12-9000-51123dbcf0db/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4553,4566] [2022-11-03 03:44:43,999 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,002 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,003 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,005 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,006 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,025 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,026 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,030 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,034 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,040 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,041 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,042 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,043 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:44,506 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:44:44,508 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:44:44,509 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:44:44,511 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:44:44,513 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:44:44,514 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:44:44,515 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:44:44,516 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:44:44,517 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:44:44,518 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:44:44,790 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:44:45,281 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,282 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,330 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,334 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,343 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,343 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,373 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,375 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,376 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,377 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,377 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,378 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,379 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:44:45,489 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:44:45,518 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_050e947e-368a-4f12-9000-51123dbcf0db/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4493,4506] [2022-11-03 03:44:45,519 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_050e947e-368a-4f12-9000-51123dbcf0db/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4553,4566] [2022-11-03 03:44:45,570 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,592 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,593 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,593 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,594 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,605 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,605 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,606 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,607 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,611 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,612 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,613 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,613 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,667 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:44:45,669 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:44:45,670 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:44:45,672 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:44:45,673 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:44:45,673 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:44:45,677 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:44:45,678 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:44:45,679 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:44:45,680 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:44:45,718 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:44:45,860 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,860 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,871 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,872 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,876 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,877 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,895 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,896 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,897 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,897 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,898 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,898 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,899 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:44:45,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:44:46,374 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:44:46,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46 WrapperNode [2022-11-03 03:44:46,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:44:46,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:44:46,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:44:46,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:44:46,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46" (1/1) ... [2022-11-03 03:44:46,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46" (1/1) ... [2022-11-03 03:44:46,644 INFO L138 Inliner]: procedures = 774, calls = 2432, calls flagged for inlining = 69, calls inlined = 12, statements flattened = 622 [2022-11-03 03:44:46,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:44:46,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:44:46,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:44:46,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:44:46,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46" (1/1) ... [2022-11-03 03:44:46,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46" (1/1) ... [2022-11-03 03:44:46,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46" (1/1) ... [2022-11-03 03:44:46,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46" (1/1) ... [2022-11-03 03:44:46,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46" (1/1) ... [2022-11-03 03:44:46,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46" (1/1) ... [2022-11-03 03:44:46,744 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46" (1/1) ... [2022-11-03 03:44:46,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46" (1/1) ... [2022-11-03 03:44:46,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:44:46,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:44:46,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:44:46,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:44:46,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46" (1/1) ... [2022-11-03 03:44:46,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:44:46,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:44:46,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:44:46,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:44:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-03 03:44:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:44:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 03:44:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 03:44:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 03:44:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 03:44:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-11-03 03:44:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-11-03 03:44:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:44:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:44:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:44:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:44:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:44:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 03:44:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 03:44:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-03 03:44:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-03 03:44:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:44:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:44:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:44:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-03 03:44:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-03 03:44:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:44:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-03 03:44:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-03 03:44:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:44:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-11-03 03:44:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-11-03 03:44:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:44:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-11-03 03:44:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-11-03 03:44:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:44:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:44:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-11-03 03:44:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-11-03 03:44:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:44:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-03 03:44:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-03 03:44:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-03 03:44:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-03 03:44:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:44:47,289 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:44:47,304 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:44:48,667 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:44:48,838 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:44:48,839 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 03:44:48,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:44:48 BoogieIcfgContainer [2022-11-03 03:44:48,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:44:48,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:44:48,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:44:48,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:44:48,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:44:42" (1/3) ... [2022-11-03 03:44:48,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e9f4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:44:48, skipping insertion in model container [2022-11-03 03:44:48,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:46" (2/3) ... [2022-11-03 03:44:48,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e9f4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:44:48, skipping insertion in model container [2022-11-03 03:44:48,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:44:48" (3/3) ... [2022-11-03 03:44:48,863 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_move_harness.i [2022-11-03 03:44:48,890 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:44:48,890 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:44:48,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:44:48,993 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54f9ae0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:44:48,993 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:44:48,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-03 03:44:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 03:44:49,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:49,016 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 2, 2, 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] [2022-11-03 03:44:49,016 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:49,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:49,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1806303517, now seen corresponding path program 1 times [2022-11-03 03:44:49,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:49,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763188071] [2022-11-03 03:44:49,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:49,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:49,581 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:44:49,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [471088144] [2022-11-03 03:44:49,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:49,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:44:49,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:44:49,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:44:49,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:44:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:50,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 2391 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 03:44:50,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:44:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-03 03:44:50,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:44:50,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:50,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763188071] [2022-11-03 03:44:50,536 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:44:50,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471088144] [2022-11-03 03:44:50,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471088144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:50,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:50,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:44:50,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145352891] [2022-11-03 03:44:50,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:50,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:44:50,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:50,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:44:50,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:44:50,605 INFO L87 Difference]: Start difference. First operand has 101 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 03:44:50,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:50,864 INFO L93 Difference]: Finished difference Result 136 states and 174 transitions. [2022-11-03 03:44:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:44:50,867 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 100 [2022-11-03 03:44:50,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:50,887 INFO L225 Difference]: With dead ends: 136 [2022-11-03 03:44:50,887 INFO L226 Difference]: Without dead ends: 99 [2022-11-03 03:44:50,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:44:50,902 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:50,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:44:50,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-03 03:44:50,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-11-03 03:44:50,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 53 states have internal predecessors, (60), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-11-03 03:44:50,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 123 transitions. [2022-11-03 03:44:50,974 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 123 transitions. Word has length 100 [2022-11-03 03:44:50,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:50,978 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 123 transitions. [2022-11-03 03:44:50,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 03:44:50,979 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 123 transitions. [2022-11-03 03:44:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-03 03:44:50,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:50,992 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 2, 2, 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] [2022-11-03 03:44:51,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:44:51,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-03 03:44:51,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:51,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:51,216 INFO L85 PathProgramCache]: Analyzing trace with hash 493483735, now seen corresponding path program 1 times [2022-11-03 03:44:51,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:51,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080153393] [2022-11-03 03:44:51,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:51,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:51,430 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:44:51,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038332918] [2022-11-03 03:44:51,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:51,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:44:51,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:44:51,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:44:51,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:44:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:52,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 2419 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:44:52,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:44:52,274 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:44:52,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:44:52,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:52,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080153393] [2022-11-03 03:44:52,275 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:44:52,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038332918] [2022-11-03 03:44:52,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038332918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:52,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:52,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:44:52,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528059772] [2022-11-03 03:44:52,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:52,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:44:52,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:52,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:44:52,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:44:52,279 INFO L87 Difference]: Start difference. First operand 99 states and 123 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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) [2022-11-03 03:44:54,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:54,147 INFO L93 Difference]: Finished difference Result 192 states and 239 transitions. [2022-11-03 03:44:54,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:44:54,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 105 [2022-11-03 03:44:54,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:54,150 INFO L225 Difference]: With dead ends: 192 [2022-11-03 03:44:54,151 INFO L226 Difference]: Without dead ends: 103 [2022-11-03 03:44:54,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:44:54,153 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:54,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 407 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-03 03:44:54,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-03 03:44:54,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-11-03 03:44:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 56 states have internal predecessors, (63), 32 states have call successors, (32), 14 states have call predecessors, (32), 15 states have return successors, (32), 32 states have call predecessors, (32), 31 states have call successors, (32) [2022-11-03 03:44:54,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 127 transitions. [2022-11-03 03:44:54,171 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 127 transitions. Word has length 105 [2022-11-03 03:44:54,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:54,172 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 127 transitions. [2022-11-03 03:44:54,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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) [2022-11-03 03:44:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 127 transitions. [2022-11-03 03:44:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-03 03:44:54,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:54,175 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2022-11-03 03:44:54,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:44:54,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-03 03:44:54,391 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:54,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:54,391 INFO L85 PathProgramCache]: Analyzing trace with hash -774970137, now seen corresponding path program 1 times [2022-11-03 03:44:54,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:54,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080238406] [2022-11-03 03:44:54,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:54,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:57,129 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 03:44:57,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:57,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080238406] [2022-11-03 03:44:57,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080238406] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:44:57,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301470292] [2022-11-03 03:44:57,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:57,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:44:57,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:44:57,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:44:57,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:44:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:57,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 2425 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-03 03:44:57,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:44:58,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:44:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-03 03:44:58,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:44:58,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301470292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:58,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:44:58,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2022-11-03 03:44:58,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541634604] [2022-11-03 03:44:58,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:58,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 03:44:58,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:58,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 03:44:58,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:44:58,656 INFO L87 Difference]: Start difference. First operand 103 states and 127 transitions. Second operand has 9 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-03 03:45:00,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:00,239 INFO L93 Difference]: Finished difference Result 190 states and 232 transitions. [2022-11-03 03:45:00,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 03:45:00,241 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 113 [2022-11-03 03:45:00,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:00,248 INFO L225 Difference]: With dead ends: 190 [2022-11-03 03:45:00,249 INFO L226 Difference]: Without dead ends: 105 [2022-11-03 03:45:00,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-03 03:45:00,255 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 13 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:00,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 677 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 131 Invalid, 0 Unknown, 69 Unchecked, 1.5s Time] [2022-11-03 03:45:00,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-03 03:45:00,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-11-03 03:45:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 57 states have (on average 1.1403508771929824) internal successors, (65), 57 states have internal predecessors, (65), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (32), 32 states have call predecessors, (32), 31 states have call successors, (32) [2022-11-03 03:45:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 129 transitions. [2022-11-03 03:45:00,279 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 129 transitions. Word has length 113 [2022-11-03 03:45:00,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:00,279 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 129 transitions. [2022-11-03 03:45:00,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-03 03:45:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 129 transitions. [2022-11-03 03:45:00,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-03 03:45:00,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:00,282 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-03 03:45:00,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:45:00,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:00,511 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:00,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:00,511 INFO L85 PathProgramCache]: Analyzing trace with hash -658417536, now seen corresponding path program 1 times [2022-11-03 03:45:00,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:00,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41434746] [2022-11-03 03:45:00,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:00,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:02,320 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 03:45:02,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:02,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41434746] [2022-11-03 03:45:02,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41434746] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:45:02,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451487019] [2022-11-03 03:45:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:02,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:02,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:45:02,329 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:45:02,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:45:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:03,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 2449 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-03 03:45:03,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:45:03,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:45:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-03 03:45:03,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:45:03,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451487019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:03,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:45:03,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2022-11-03 03:45:03,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439906489] [2022-11-03 03:45:03,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:03,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 03:45:03,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:03,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 03:45:03,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-11-03 03:45:03,696 INFO L87 Difference]: Start difference. First operand 105 states and 129 transitions. Second operand has 12 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 5 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2022-11-03 03:45:05,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:05,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:05,925 INFO L93 Difference]: Finished difference Result 196 states and 239 transitions. [2022-11-03 03:45:05,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:45:05,927 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 5 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) Word has length 119 [2022-11-03 03:45:05,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:05,931 INFO L225 Difference]: With dead ends: 196 [2022-11-03 03:45:05,931 INFO L226 Difference]: Without dead ends: 108 [2022-11-03 03:45:05,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:45:05,934 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 16 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:05,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 511 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 60 Unchecked, 2.2s Time] [2022-11-03 03:45:05,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-11-03 03:45:05,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2022-11-03 03:45:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 59 states have (on average 1.1355932203389831) internal successors, (67), 59 states have internal predecessors, (67), 33 states have call successors, (33), 16 states have call predecessors, (33), 15 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2022-11-03 03:45:05,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 133 transitions. [2022-11-03 03:45:05,955 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 133 transitions. Word has length 119 [2022-11-03 03:45:05,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:05,956 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 133 transitions. [2022-11-03 03:45:05,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 5 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2022-11-03 03:45:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 133 transitions. [2022-11-03 03:45:05,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-03 03:45:05,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:05,960 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-03 03:45:06,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-03 03:45:06,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:06,183 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:06,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:06,183 INFO L85 PathProgramCache]: Analyzing trace with hash -569912338, now seen corresponding path program 1 times [2022-11-03 03:45:06,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:06,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109961888] [2022-11-03 03:45:06,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:06,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-03 03:45:10,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:10,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109961888] [2022-11-03 03:45:10,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109961888] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:45:10,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595196922] [2022-11-03 03:45:10,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:10,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:10,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:45:10,327 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:45:10,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 03:45:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:11,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 2478 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-03 03:45:11,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:45:11,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:45:12,823 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-03 03:45:12,824 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-11-03 03:45:13,608 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-03 03:45:13,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:45:13,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595196922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:13,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:45:13,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 23 [2022-11-03 03:45:13,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037174301] [2022-11-03 03:45:13,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:13,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 03:45:13,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:13,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 03:45:13,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2022-11-03 03:45:13,612 INFO L87 Difference]: Start difference. First operand 108 states and 133 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 11 states have internal predecessors, (56), 8 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (27), 9 states have call predecessors, (27), 7 states have call successors, (27) [2022-11-03 03:45:15,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:15,756 INFO L93 Difference]: Finished difference Result 182 states and 224 transitions. [2022-11-03 03:45:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 03:45:15,757 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 11 states have internal predecessors, (56), 8 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (27), 9 states have call predecessors, (27), 7 states have call successors, (27) Word has length 123 [2022-11-03 03:45:15,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:15,758 INFO L225 Difference]: With dead ends: 182 [2022-11-03 03:45:15,759 INFO L226 Difference]: Without dead ends: 154 [2022-11-03 03:45:15,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 103 SyntacticMatches, 15 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=97, Invalid=773, Unknown=0, NotChecked=0, Total=870 [2022-11-03 03:45:15,760 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 30 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 325 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:15,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 717 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 405 Invalid, 0 Unknown, 325 Unchecked, 1.8s Time] [2022-11-03 03:45:15,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-03 03:45:15,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151. [2022-11-03 03:45:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 83 states have (on average 1.144578313253012) internal successors, (95), 85 states have internal predecessors, (95), 44 states have call successors, (44), 22 states have call predecessors, (44), 23 states have return successors, (50), 43 states have call predecessors, (50), 43 states have call successors, (50) [2022-11-03 03:45:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 189 transitions. [2022-11-03 03:45:15,781 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 189 transitions. Word has length 123 [2022-11-03 03:45:15,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:15,781 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 189 transitions. [2022-11-03 03:45:15,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 11 states have internal predecessors, (56), 8 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (27), 9 states have call predecessors, (27), 7 states have call successors, (27) [2022-11-03 03:45:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 189 transitions. [2022-11-03 03:45:15,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 03:45:15,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:15,784 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-03 03:45:15,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:45:15,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:15,999 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:15,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:15,999 INFO L85 PathProgramCache]: Analyzing trace with hash 943726446, now seen corresponding path program 1 times [2022-11-03 03:45:15,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:15,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032122687] [2022-11-03 03:45:16,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:16,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:19,310 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-03 03:45:19,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:19,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032122687] [2022-11-03 03:45:19,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032122687] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:45:19,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325276684] [2022-11-03 03:45:19,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:19,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:19,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:45:19,313 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:45:19,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 03:45:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:19,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 2497 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-03 03:45:19,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:45:20,153 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:45:21,825 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-03 03:45:21,826 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:45:21,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325276684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:21,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:45:21,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 21 [2022-11-03 03:45:21,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034016895] [2022-11-03 03:45:21,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:21,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 03:45:21,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:21,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 03:45:21,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-11-03 03:45:21,829 INFO L87 Difference]: Start difference. First operand 151 states and 189 transitions. Second operand has 11 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 7 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (27), 8 states have call predecessors, (27), 7 states have call successors, (27) [2022-11-03 03:45:23,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:23,501 INFO L93 Difference]: Finished difference Result 224 states and 268 transitions. [2022-11-03 03:45:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 03:45:23,502 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 7 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (27), 8 states have call predecessors, (27), 7 states have call successors, (27) Word has length 124 [2022-11-03 03:45:23,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:23,505 INFO L225 Difference]: With dead ends: 224 [2022-11-03 03:45:23,505 INFO L226 Difference]: Without dead ends: 166 [2022-11-03 03:45:23,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 109 SyntacticMatches, 12 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2022-11-03 03:45:23,507 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 31 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 214 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:23,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 474 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 287 Invalid, 0 Unknown, 214 Unchecked, 1.6s Time] [2022-11-03 03:45:23,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-03 03:45:23,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 165. [2022-11-03 03:45:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 91 states have (on average 1.1318681318681318) internal successors, (103), 94 states have internal predecessors, (103), 46 states have call successors, (46), 25 states have call predecessors, (46), 27 states have return successors, (52), 45 states have call predecessors, (52), 45 states have call successors, (52) [2022-11-03 03:45:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 201 transitions. [2022-11-03 03:45:23,537 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 201 transitions. Word has length 124 [2022-11-03 03:45:23,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:23,538 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 201 transitions. [2022-11-03 03:45:23,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 7 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (27), 8 states have call predecessors, (27), 7 states have call successors, (27) [2022-11-03 03:45:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 201 transitions. [2022-11-03 03:45:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-03 03:45:23,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:23,542 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 2, 2, 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] [2022-11-03 03:45:23,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 03:45:23,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:23,758 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:23,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:23,759 INFO L85 PathProgramCache]: Analyzing trace with hash 536078822, now seen corresponding path program 1 times [2022-11-03 03:45:23,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:23,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939799374] [2022-11-03 03:45:23,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:23,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:23,948 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:45:23,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [278015890] [2022-11-03 03:45:23,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:23,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:23,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:45:23,950 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:45:23,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050e947e-368a-4f12-9000-51123dbcf0db/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 03:45:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:24,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 2578 conjuncts, 110 conjunts are in the unsatisfiable core [2022-11-03 03:45:24,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:45:24,881 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 03:45:24,881 INFO L390 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 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-03 03:45:25,207 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-03 03:45:25,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 21 [2022-11-03 03:45:25,257 INFO L390 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 5 treesize of output 3 [2022-11-03 03:45:25,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:45:25,650 INFO L356 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-11-03 03:45:25,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2022-11-03 03:45:25,790 INFO L390 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 5 treesize of output 3 [2022-11-03 03:45:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:25,879 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-03 03:45:25,957 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-03 03:45:25,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:45:26,553 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 03:45:26,554 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-11-03 03:45:26,802 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_868 (Array Int Int))) (= (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_868) |c_#memory_$Pointer$.base|)) is different from true [2022-11-03 03:45:27,017 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_869 (Array Int Int))) (= (store |c_old(#memory_$Pointer$.base)| |c_aws_add_size_checked_#in~r#1.base| v_ArrVal_869) |c_#memory_$Pointer$.base|)) is different from true [2022-11-03 03:45:27,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,191 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 03:45:27,192 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 33 [2022-11-03 03:45:27,229 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-03 03:45:27,230 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-03 03:45:29,349 WARN L855 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_move_harness_~#from~0#1.base_BEFORE_CALL_49| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_move_harness_~#from~0#1.base_BEFORE_CALL_49|) 0))) (and (not (= .cse0 0)) (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_move_harness_~#from~0#1.base_BEFORE_CALL_49|) (<= 2 |v_ULTIMATE.start_aws_hash_table_move_harness_~#from~0#1.base_BEFORE_CALL_49|)))) is different from true [2022-11-03 03:45:31,567 WARN L855 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_10| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_10|) 0))) (and (not (= .cse0 0)) (<= 2 |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_10|) (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_10|)))) is different from true [2022-11-03 03:45:33,698 WARN L855 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_11| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_11|) 0))) (and (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_11|) (<= 2 |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_11|) (not (= .cse0 0))))) is different from true [2022-11-03 03:45:35,845 WARN L855 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_12| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_12|) 0))) (and (<= 2 |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_12|) (not (= .cse0 0)) (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_12|)))) is different from true [2022-11-03 03:45:37,981 WARN L855 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_13| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_13|) 0))) (and (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_13|) (<= 2 |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_13|) (not (= .cse0 0))))) is different from true [2022-11-03 03:45:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 26 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 55 not checked. [2022-11-03 03:45:42,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:45:43,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2022-11-03 03:45:43,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2022-11-03 03:45:50,840 WARN L234 SmtUtils]: Spent 6.64s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:45:50,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:50,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939799374] [2022-11-03 03:45:50,842 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:45:50,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278015890] [2022-11-03 03:45:50,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278015890] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:45:50,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1310917712] [2022-11-03 03:45:50,870 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2022-11-03 03:45:50,870 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:45:50,876 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:45:50,882 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:45:50,883 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:45:54,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:54,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:55,270 INFO L244 Elim1Store]: Index analysis took 996 ms [2022-11-03 03:47:10,478 WARN L234 SmtUtils]: Spent 1.25m on a formula simplification. DAG size of input: 2362 DAG size of output: 1378 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:47:10,484 INFO L356 Elim1Store]: treesize reduction 4522, result has 34.3 percent of original size [2022-11-03 03:47:10,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19310 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 197 case distinctions, treesize of input 995 treesize of output 2959 [2022-11-03 03:47:15,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:15,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:20,058 INFO L244 Elim1Store]: Index analysis took 5952 ms [2022-11-03 03:49:32,127 WARN L234 SmtUtils]: Spent 2.20m on a formula simplification. DAG size of input: 3151 DAG size of output: 1575 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:49:32,132 INFO L356 Elim1Store]: treesize reduction 7470, result has 25.5 percent of original size [2022-11-03 03:49:32,135 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 200 select indices, 200 select index equivalence classes, 19507 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 591 case distinctions, treesize of input 1014 treesize of output 3173 [2022-11-03 03:53:07,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:53:07,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:53:07,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:53:08,070 INFO L244 Elim1Store]: Index analysis took 476 ms [2022-11-03 03:53:34,433 WARN L234 SmtUtils]: Spent 26.32s on a formula simplification. DAG size of input: 1785 DAG size of output: 1187 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:53:34,436 INFO L356 Elim1Store]: treesize reduction 1988, result has 47.2 percent of original size [2022-11-03 03:53:34,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19705 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 198 case distinctions, treesize of input 1002 treesize of output 2382 [2022-11-03 03:53:43,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:53:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:53:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:53:44,866 INFO L244 Elim1Store]: Index analysis took 1502 ms [2022-11-03 03:54:26,794 WARN L234 SmtUtils]: Spent 41.86s on a formula simplification. DAG size of input: 2183 DAG size of output: 1191 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:54:26,797 INFO L356 Elim1Store]: treesize reduction 3564, result has 33.3 percent of original size [2022-11-03 03:54:26,800 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 201 select indices, 201 select index equivalence classes, 19902 disjoint index pairs (out of 20100 index pairs), introduced 201 new quantified variables, introduced 396 case distinctions, treesize of input 1012 treesize of output 2401 [2022-11-03 03:54:53,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:54:53,932 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-11-03 03:54:53,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:54:53,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-11-03 03:54:54,008 INFO L390 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 15 treesize of output 1 [2022-11-03 03:54:54,018 INFO L390 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 15 treesize of output 1 [2022-11-03 03:54:54,025 INFO L390 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 15 treesize of output 1 [2022-11-03 03:54:54,032 INFO L390 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 13 treesize of output 9 [2022-11-03 03:54:54,240 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:54:54,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:54:54,308 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:54:54,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:54:54,357 INFO L390 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 [2022-11-03 03:54:54,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:54:54,395 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-11-03 03:54:54,442 INFO L390 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 15 treesize of output 1 [2022-11-03 03:54:54,456 INFO L390 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 13 treesize of output 9 [2022-11-03 03:54:54,463 INFO L390 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 15 treesize of output 1 [2022-11-03 03:54:54,471 INFO L390 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 15 treesize of output 1 [2022-11-03 03:54:54,499 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 03:54:54,521 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 03:54:54,543 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 03:54:54,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-03 03:55:02,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:02,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:02,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:02,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:02,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:02,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:02,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:02,436 INFO L244 Elim1Store]: Index analysis took 214 ms [2022-11-03 03:55:02,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-03 03:55:03,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:03,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-03 03:55:04,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:04,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:04,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:04,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:04,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:04,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:04,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:04,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-03 03:55:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:05,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:05,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 201 select indices, 201 select index equivalence classes, 20100 disjoint index pairs (out of 20100 index pairs), introduced 201 new quantified variables, introduced 0 case distinctions, treesize of input 1006 treesize of output 604 [2022-11-03 03:55:06,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:06,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:06,820 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19903 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 0 case distinctions, treesize of input 1001 treesize of output 601 [2022-11-03 03:55:29,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:29,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:29,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:29,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:29,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:29,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:29,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-03 03:55:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:30,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19903 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 0 case distinctions, treesize of input 1001 treesize of output 601 [2022-11-03 03:55:31,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:31,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-03 03:55:32,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:32,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:32,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:32,145 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 201 select indices, 201 select index equivalence classes, 20100 disjoint index pairs (out of 20100 index pairs), introduced 201 new quantified variables, introduced 0 case distinctions, treesize of input 1006 treesize of output 604 [2022-11-03 03:55:33,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:33,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:33,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:33,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:33,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:33,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:33,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:33,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-03 03:55:35,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:55:35,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 03:55:35,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:35,513 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-03 03:55:35,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:35,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:55:35,563 INFO L356 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-03 03:55:35,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 46 [2022-11-03 03:55:35,609 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 03:55:35,609 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-03 03:55:35,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:35,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2022-11-03 03:55:35,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:35,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2022-11-03 03:55:36,526 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 03:55:36,527 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-03 03:55:36,549 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 03:55:36,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:55:36,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:55:36,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-03 03:55:36,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 03:55:36,708 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 03:55:36,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 03:55:36,842 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:55:36,855 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-03 03:55:36,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 03:55:36,880 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:55:37,154 INFO L390 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 [2022-11-03 03:55:38,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:38,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2022-11-03 03:55:38,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:55:38,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2022-11-03 03:55:38,374 INFO L390 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 15 treesize of output 1 [2022-11-03 03:55:38,396 INFO L390 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 15 treesize of output 1 [2022-11-03 03:56:35,094 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 3217 for LOIs [2022-11-03 03:56:43,110 INFO L197 IcfgInterpreter]: Interpreting procedure hash_table_state_required_bytes with input of size 3745 for LOIs [2022-11-03 03:57:37,034 INFO L244 Elim1Store]: Index analysis took 537 ms