./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a871e941a14cf19147765419aa3746af2f9add859ed1f61f31f704f97208fdb0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:19:58,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:19:58,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:19:58,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:19:58,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:19:58,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:19:58,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:19:58,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:19:58,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:19:58,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:19:58,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:19:58,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:19:58,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:19:58,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:19:58,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:19:58,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:19:58,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:19:58,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:19:58,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:19:58,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:19:58,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:19:58,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:19:58,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:19:58,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:19:58,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:19:58,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:19:58,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:19:58,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:19:58,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:19:58,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:19:58,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:19:58,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:19:58,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:19:58,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:19:58,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:19:58,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:19:58,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:19:58,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:19:58,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:19:58,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:19:58,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:19:58,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 17:19:58,343 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:19:58,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:19:58,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:19:58,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:19:58,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:19:58,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:19:58,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:19:58,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:19:58,346 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:19:58,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:19:58,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:19:58,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:19:58,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:19:58,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:19:58,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:19:58,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:19:58,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:19:58,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:19:58,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:19:58,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:19:58,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:19:58,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:19:58,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:19:58,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:19:58,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:19:58,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:19:58,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:19:58,349 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:19:58,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:19:58,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:19:58,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:19:58,350 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_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a871e941a14cf19147765419aa3746af2f9add859ed1f61f31f704f97208fdb0 [2021-12-06 17:19:58,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:19:58,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:19:58,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:19:58,564 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:19:58,565 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:19:58,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2021-12-06 17:19:58,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/data/d13f134f9/dfd5177b403b4c65a47cbb1ba1f82949/FLAGad71e2280 [2021-12-06 17:19:59,185 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:19:59,186 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2021-12-06 17:19:59,210 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/data/d13f134f9/dfd5177b403b4c65a47cbb1ba1f82949/FLAGad71e2280 [2021-12-06 17:19:59,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/data/d13f134f9/dfd5177b403b4c65a47cbb1ba1f82949 [2021-12-06 17:19:59,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:19:59,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:19:59,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:19:59,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:19:59,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:19:59,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:19:59" (1/1) ... [2021-12-06 17:19:59,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d086791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:59, skipping insertion in model container [2021-12-06 17:19:59,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:19:59" (1/1) ... [2021-12-06 17:19:59,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:19:59,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:19:59,931 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_72546f53-9616-485d-a95a-e0f0f5a6fbb8/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4495,4508] [2021-12-06 17:19:59,937 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_72546f53-9616-485d-a95a-e0f0f5a6fbb8/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4555,4568] [2021-12-06 17:20:00,677 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:00,678 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:00,678 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:00,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:00,680 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:00,695 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:00,695 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:00,697 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:00,698 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:00,700 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:00,701 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:00,702 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:00,702 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,080 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-06 17:20:01,081 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-06 17:20:01,082 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-06 17:20:01,082 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-06 17:20:01,083 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-06 17:20:01,088 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-06 17:20:01,088 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-06 17:20:01,089 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-06 17:20:01,089 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-06 17:20:01,090 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-06 17:20:01,249 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-06 17:20:01,502 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,503 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,520 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,521 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,527 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,528 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,540 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,540 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,540 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,541 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,541 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:20:01,588 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:20:01,608 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_72546f53-9616-485d-a95a-e0f0f5a6fbb8/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4495,4508] [2021-12-06 17:20:01,608 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_72546f53-9616-485d-a95a-e0f0f5a6fbb8/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4555,4568] [2021-12-06 17:20:01,642 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,642 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,642 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,643 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,643 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,649 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,649 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,650 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,651 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,651 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,652 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,652 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,653 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,680 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-06 17:20:01,681 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-06 17:20:01,682 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-06 17:20:01,682 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-06 17:20:01,683 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-06 17:20:01,683 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-06 17:20:01,684 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-06 17:20:01,684 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-06 17:20:01,684 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-06 17:20:01,685 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-06 17:20:01,703 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-06 17:20:01,792 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,792 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,799 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,800 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,812 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,812 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,818 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,819 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,819 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,819 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,819 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,820 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,820 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 17:20:01,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:20:02,004 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:20:02,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:02 WrapperNode [2021-12-06 17:20:02,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:20:02,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:20:02,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:20:02,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:20:02,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:02" (1/1) ... [2021-12-06 17:20:02,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:02" (1/1) ... [2021-12-06 17:20:02,184 INFO L137 Inliner]: procedures = 775, calls = 2489, calls flagged for inlining = 67, calls inlined = 21, statements flattened = 1294 [2021-12-06 17:20:02,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:20:02,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:20:02,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:20:02,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:20:02,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:02" (1/1) ... [2021-12-06 17:20:02,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:02" (1/1) ... [2021-12-06 17:20:02,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:02" (1/1) ... [2021-12-06 17:20:02,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:02" (1/1) ... [2021-12-06 17:20:02,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:02" (1/1) ... [2021-12-06 17:20:02,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:02" (1/1) ... [2021-12-06 17:20:02,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:02" (1/1) ... [2021-12-06 17:20:02,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:20:02,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:20:02,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:20:02,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:20:02,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:02" (1/1) ... [2021-12-06 17:20:02,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:20:02,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:20:02,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:20:02,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:20:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-06 17:20:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-06 17:20:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-06 17:20:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:20:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-06 17:20:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-06 17:20:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-06 17:20:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-06 17:20:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_create [2021-12-06 17:20:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_create [2021-12-06 17:20:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-12-06 17:20:02,344 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-12-06 17:20:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:20:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:20:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 17:20:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2021-12-06 17:20:02,344 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2021-12-06 17:20:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:20:02,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:20:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-06 17:20:02,344 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-06 17:20:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-06 17:20:02,345 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-06 17:20:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-12-06 17:20:02,345 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-12-06 17:20:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:20:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-12-06 17:20:02,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-12-06 17:20:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 17:20:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-06 17:20:02,345 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-06 17:20:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:20:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2021-12-06 17:20:02,345 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2021-12-06 17:20:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-12-06 17:20:02,346 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-12-06 17:20:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2021-12-06 17:20:02,346 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2021-12-06 17:20:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2021-12-06 17:20:02,346 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2021-12-06 17:20:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2021-12-06 17:20:02,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2021-12-06 17:20:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:20:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-12-06 17:20:02,346 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-12-06 17:20:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-06 17:20:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2021-12-06 17:20:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2021-12-06 17:20:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-06 17:20:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-12-06 17:20:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-12-06 17:20:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2021-12-06 17:20:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2021-12-06 17:20:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2021-12-06 17:20:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2021-12-06 17:20:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2021-12-06 17:20:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2021-12-06 17:20:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 17:20:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 17:20:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-12-06 17:20:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-12-06 17:20:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 17:20:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-06 17:20:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-06 17:20:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-06 17:20:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-06 17:20:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-12-06 17:20:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-12-06 17:20:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2021-12-06 17:20:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2021-12-06 17:20:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2021-12-06 17:20:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2021-12-06 17:20:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 17:20:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 17:20:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:20:02,603 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:20:02,604 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:20:02,775 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-12-06 17:20:02,796 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2021-12-06 17:20:03,351 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume !true; [2021-12-06 17:20:03,352 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !true; [2021-12-06 17:20:03,749 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:20:03,759 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:20:03,760 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-12-06 17:20:03,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:20:03 BoogieIcfgContainer [2021-12-06 17:20:03,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:20:03,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:20:03,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:20:03,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:20:03,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:19:59" (1/3) ... [2021-12-06 17:20:03,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63189f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:20:03, skipping insertion in model container [2021-12-06 17:20:03,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:02" (2/3) ... [2021-12-06 17:20:03,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63189f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:20:03, skipping insertion in model container [2021-12-06 17:20:03,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:20:03" (3/3) ... [2021-12-06 17:20:03,770 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_create_harness.i [2021-12-06 17:20:03,775 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:20:03,775 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:20:03,824 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:20:03,831 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:20:03,831 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:20:03,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 349 states, 235 states have (on average 1.2723404255319148) internal successors, (299), 232 states have internal predecessors, (299), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-12-06 17:20:03,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-06 17:20:03,869 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:03,870 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:03,871 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:03,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:03,876 INFO L85 PathProgramCache]: Analyzing trace with hash -322226588, now seen corresponding path program 1 times [2021-12-06 17:20:03,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:03,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760386618] [2021-12-06 17:20:03,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:03,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:04,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:04,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:04,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:04,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:04,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:04,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760386618] [2021-12-06 17:20:04,361 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-12-06 17:20:04,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329809468] [2021-12-06 17:20:04,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:04,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:20:04,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:20:04,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:20:04,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 17:20:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:04,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 2485 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 17:20:04,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:20:04,895 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-12-06 17:20:04,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:20:04,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329809468] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:04,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:04,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:20:04,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622746554] [2021-12-06 17:20:04,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:04,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 17:20:04,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:04,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:20:04,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:20:04,927 INFO L87 Difference]: Start difference. First operand has 349 states, 235 states have (on average 1.2723404255319148) internal successors, (299), 232 states have internal predecessors, (299), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 17:20:04,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:04,978 INFO L93 Difference]: Finished difference Result 692 states and 983 transitions. [2021-12-06 17:20:04,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:20:04,980 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2021-12-06 17:20:04,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:04,991 INFO L225 Difference]: With dead ends: 692 [2021-12-06 17:20:04,991 INFO L226 Difference]: Without dead ends: 341 [2021-12-06 17:20:04,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:20:04,999 INFO L933 BasicCegarLoop]: 460 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:05,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:20:05,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-12-06 17:20:05,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2021-12-06 17:20:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 224 states have (on average 1.2544642857142858) internal successors, (281), 226 states have internal predecessors, (281), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2021-12-06 17:20:05,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 451 transitions. [2021-12-06 17:20:05,057 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 451 transitions. Word has length 124 [2021-12-06 17:20:05,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:05,058 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 451 transitions. [2021-12-06 17:20:05,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 17:20:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 451 transitions. [2021-12-06 17:20:05,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-06 17:20:05,061 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:05,061 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:05,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:20:05,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-12-06 17:20:05,263 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:05,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:05,266 INFO L85 PathProgramCache]: Analyzing trace with hash -672164438, now seen corresponding path program 1 times [2021-12-06 17:20:05,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:05,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493091984] [2021-12-06 17:20:05,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:05,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:05,441 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:20:05,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [403784348] [2021-12-06 17:20:05,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:05,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:20:05,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:20:05,442 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:20:05,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 17:20:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:05,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 2485 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 17:20:05,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:20:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-06 17:20:05,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:20:05,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:05,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493091984] [2021-12-06 17:20:05,983 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:20:05,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403784348] [2021-12-06 17:20:05,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403784348] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:05,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:05,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:20:05,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850705232] [2021-12-06 17:20:05,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:05,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:20:05,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:05,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:20:05,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:20:05,986 INFO L87 Difference]: Start difference. First operand 341 states and 451 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-06 17:20:06,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:06,252 INFO L93 Difference]: Finished difference Result 668 states and 883 transitions. [2021-12-06 17:20:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:20:06,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 124 [2021-12-06 17:20:06,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:06,256 INFO L225 Difference]: With dead ends: 668 [2021-12-06 17:20:06,256 INFO L226 Difference]: Without dead ends: 341 [2021-12-06 17:20:06,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:20:06,259 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 465 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:06,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 1188 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:20:06,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-12-06 17:20:06,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2021-12-06 17:20:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 224 states have (on average 1.25) internal successors, (280), 226 states have internal predecessors, (280), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2021-12-06 17:20:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 450 transitions. [2021-12-06 17:20:06,285 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 450 transitions. Word has length 124 [2021-12-06 17:20:06,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:06,286 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 450 transitions. [2021-12-06 17:20:06,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-06 17:20:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 450 transitions. [2021-12-06 17:20:06,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-06 17:20:06,288 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:06,288 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:06,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 17:20:06,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:20:06,489 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:06,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:06,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1014015400, now seen corresponding path program 1 times [2021-12-06 17:20:06,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:06,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875590019] [2021-12-06 17:20:06,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:06,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:06,556 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:20:06,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1752226360] [2021-12-06 17:20:06,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:06,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:20:06,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:20:06,557 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:20:06,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 17:20:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:06,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 2490 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 17:20:06,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:20:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-12-06 17:20:06,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:20:06,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:06,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875590019] [2021-12-06 17:20:06,991 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:20:06,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752226360] [2021-12-06 17:20:06,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752226360] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:06,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:06,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:20:06,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475515352] [2021-12-06 17:20:06,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:06,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:20:06,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:06,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:20:06,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:20:06,993 INFO L87 Difference]: Start difference. First operand 341 states and 450 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 17:20:07,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:07,025 INFO L93 Difference]: Finished difference Result 678 states and 899 transitions. [2021-12-06 17:20:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:20:07,025 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2021-12-06 17:20:07,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:07,029 INFO L225 Difference]: With dead ends: 678 [2021-12-06 17:20:07,029 INFO L226 Difference]: Without dead ends: 346 [2021-12-06 17:20:07,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:20:07,031 INFO L933 BasicCegarLoop]: 447 mSDtfsCounter, 2 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1784 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:07,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1784 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:20:07,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-12-06 17:20:07,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2021-12-06 17:20:07,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 228 states have (on average 1.2456140350877194) internal successors, (284), 230 states have internal predecessors, (284), 86 states have call successors, (86), 30 states have call predecessors, (86), 31 states have return successors, (88), 85 states have call predecessors, (88), 84 states have call successors, (88) [2021-12-06 17:20:07,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 458 transitions. [2021-12-06 17:20:07,049 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 458 transitions. Word has length 124 [2021-12-06 17:20:07,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:07,049 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 458 transitions. [2021-12-06 17:20:07,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 17:20:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 458 transitions. [2021-12-06 17:20:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-06 17:20:07,051 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:07,051 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:07,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 17:20:07,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:20:07,252 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:07,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:07,253 INFO L85 PathProgramCache]: Analyzing trace with hash 2006309942, now seen corresponding path program 1 times [2021-12-06 17:20:07,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:07,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362602599] [2021-12-06 17:20:07,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:07,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 17:20:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 17:20:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 17:20:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 17:20:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-06 17:20:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-12-06 17:20:07,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:07,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362602599] [2021-12-06 17:20:07,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362602599] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:07,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:07,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 17:20:07,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158473393] [2021-12-06 17:20:07,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:07,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 17:20:07,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:07,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:20:07,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:20:07,875 INFO L87 Difference]: Start difference. First operand 346 states and 458 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 9 states have internal predecessors, (61), 4 states have call successors, (23), 5 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-06 17:20:11,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:11,134 INFO L93 Difference]: Finished difference Result 754 states and 1012 transitions. [2021-12-06 17:20:11,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 17:20:11,134 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 9 states have internal predecessors, (61), 4 states have call successors, (23), 5 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 130 [2021-12-06 17:20:11,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:11,137 INFO L225 Difference]: With dead ends: 754 [2021-12-06 17:20:11,137 INFO L226 Difference]: Without dead ends: 429 [2021-12-06 17:20:11,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2021-12-06 17:20:11,139 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 284 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 2144 SdHoareTripleChecker+Invalid, 2233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 2093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:11,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 2144 Invalid, 2233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 2093 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-06 17:20:11,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-12-06 17:20:11,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 349. [2021-12-06 17:20:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 230 states have (on average 1.2434782608695651) internal successors, (286), 233 states have internal predecessors, (286), 86 states have call successors, (86), 30 states have call predecessors, (86), 32 states have return successors, (89), 85 states have call predecessors, (89), 84 states have call successors, (89) [2021-12-06 17:20:11,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 461 transitions. [2021-12-06 17:20:11,159 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 461 transitions. Word has length 130 [2021-12-06 17:20:11,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:11,160 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 461 transitions. [2021-12-06 17:20:11,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 9 states have internal predecessors, (61), 4 states have call successors, (23), 5 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-06 17:20:11,160 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 461 transitions. [2021-12-06 17:20:11,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-12-06 17:20:11,161 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:11,162 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:11,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 17:20:11,162 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:11,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:11,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1092762838, now seen corresponding path program 1 times [2021-12-06 17:20:11,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:11,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572158420] [2021-12-06 17:20:11,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:11,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 17:20:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-06 17:20:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 17:20:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-06 17:20:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-06 17:20:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:20:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-06 17:20:11,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:11,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572158420] [2021-12-06 17:20:11,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572158420] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:20:11,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581427219] [2021-12-06 17:20:11,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:11,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:20:11,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:20:11,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:20:11,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 17:20:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:11,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 2518 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-06 17:20:11,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:20:13,044 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= 0 (select (select |c_#memory_$Pointer$.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset)))) (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0)))) is different from true [2021-12-06 17:20:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-06 17:20:21,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:20:21,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581427219] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:21,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:20:21,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2021-12-06 17:20:21,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43271429] [2021-12-06 17:20:21,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:21,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 17:20:21,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:21,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:20:21,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=175, Unknown=3, NotChecked=26, Total=240 [2021-12-06 17:20:21,288 INFO L87 Difference]: Start difference. First operand 349 states and 461 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-06 17:20:22,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:22,157 INFO L93 Difference]: Finished difference Result 681 states and 900 transitions. [2021-12-06 17:20:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 17:20:22,163 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 136 [2021-12-06 17:20:22,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:22,165 INFO L225 Difference]: With dead ends: 681 [2021-12-06 17:20:22,165 INFO L226 Difference]: Without dead ends: 351 [2021-12-06 17:20:22,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=51, Invalid=222, Unknown=3, NotChecked=30, Total=306 [2021-12-06 17:20:22,167 INFO L933 BasicCegarLoop]: 444 mSDtfsCounter, 5 mSDsluCounter, 1964 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 630 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:22,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 2408 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 630 Unchecked, 0.8s Time] [2021-12-06 17:20:22,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-12-06 17:20:22,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-12-06 17:20:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 232 states have (on average 1.2413793103448276) internal successors, (288), 234 states have internal predecessors, (288), 86 states have call successors, (86), 31 states have call predecessors, (86), 32 states have return successors, (89), 85 states have call predecessors, (89), 84 states have call successors, (89) [2021-12-06 17:20:22,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 463 transitions. [2021-12-06 17:20:22,183 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 463 transitions. Word has length 136 [2021-12-06 17:20:22,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:22,184 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 463 transitions. [2021-12-06 17:20:22,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-06 17:20:22,184 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 463 transitions. [2021-12-06 17:20:22,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-12-06 17:20:22,185 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:22,186 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:22,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 17:20:22,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:20:22,388 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:22,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:22,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1043141135, now seen corresponding path program 1 times [2021-12-06 17:20:22,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:22,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114827383] [2021-12-06 17:20:22,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:22,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:20:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 17:20:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:20:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:20:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-12-06 17:20:22,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:22,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114827383] [2021-12-06 17:20:22,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114827383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:22,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:22,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:20:22,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096451572] [2021-12-06 17:20:22,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:22,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:20:22,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:22,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:20:22,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:20:22,802 INFO L87 Difference]: Start difference. First operand 351 states and 463 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (25), 5 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-06 17:20:24,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:24,363 INFO L93 Difference]: Finished difference Result 739 states and 993 transitions. [2021-12-06 17:20:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:20:24,364 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (25), 5 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 141 [2021-12-06 17:20:24,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:24,368 INFO L225 Difference]: With dead ends: 739 [2021-12-06 17:20:24,368 INFO L226 Difference]: Without dead ends: 433 [2021-12-06 17:20:24,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-12-06 17:20:24,370 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 470 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:24,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [524 Valid, 1779 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 17:20:24,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2021-12-06 17:20:24,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 353. [2021-12-06 17:20:24,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 233 states have (on average 1.240343347639485) internal successors, (289), 236 states have internal predecessors, (289), 86 states have call successors, (86), 31 states have call predecessors, (86), 33 states have return successors, (94), 85 states have call predecessors, (94), 84 states have call successors, (94) [2021-12-06 17:20:24,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 469 transitions. [2021-12-06 17:20:24,392 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 469 transitions. Word has length 141 [2021-12-06 17:20:24,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:24,392 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 469 transitions. [2021-12-06 17:20:24,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (25), 5 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-06 17:20:24,393 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 469 transitions. [2021-12-06 17:20:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-12-06 17:20:24,394 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:24,394 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:24,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 17:20:24,394 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:24,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:24,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1171893452, now seen corresponding path program 1 times [2021-12-06 17:20:24,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:24,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348465064] [2021-12-06 17:20:24,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:24,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:20:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 17:20:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:20:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 17:20:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:24,891 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-12-06 17:20:24,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:24,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348465064] [2021-12-06 17:20:24,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348465064] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:24,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:24,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 17:20:24,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933231555] [2021-12-06 17:20:24,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:24,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 17:20:24,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:24,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:20:24,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:20:24,893 INFO L87 Difference]: Start difference. First operand 353 states and 469 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-06 17:20:26,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:26,275 INFO L93 Difference]: Finished difference Result 441 states and 597 transitions. [2021-12-06 17:20:26,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:20:26,275 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2021-12-06 17:20:26,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:26,279 INFO L225 Difference]: With dead ends: 441 [2021-12-06 17:20:26,279 INFO L226 Difference]: Without dead ends: 439 [2021-12-06 17:20:26,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:20:26,280 INFO L933 BasicCegarLoop]: 419 mSDtfsCounter, 489 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:26,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [534 Valid, 1537 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 17:20:26,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-12-06 17:20:26,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 357. [2021-12-06 17:20:26,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 236 states have (on average 1.2372881355932204) internal successors, (292), 239 states have internal predecessors, (292), 86 states have call successors, (86), 32 states have call predecessors, (86), 34 states have return successors, (94), 85 states have call predecessors, (94), 84 states have call successors, (94) [2021-12-06 17:20:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 472 transitions. [2021-12-06 17:20:26,306 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 472 transitions. Word has length 146 [2021-12-06 17:20:26,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:26,306 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 472 transitions. [2021-12-06 17:20:26,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-06 17:20:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 472 transitions. [2021-12-06 17:20:26,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-06 17:20:26,309 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:26,309 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:26,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 17:20:26,309 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:26,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:26,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1112780077, now seen corresponding path program 1 times [2021-12-06 17:20:26,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:26,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631481410] [2021-12-06 17:20:26,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:26,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:20:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 17:20:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:20:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 17:20:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-06 17:20:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 17:20:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-12-06 17:20:26,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:26,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631481410] [2021-12-06 17:20:26,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631481410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:26,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:26,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 17:20:26,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978673864] [2021-12-06 17:20:26,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:26,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 17:20:26,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:26,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:20:26,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:20:26,818 INFO L87 Difference]: Start difference. First operand 357 states and 472 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-06 17:20:28,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:28,874 INFO L93 Difference]: Finished difference Result 447 states and 603 transitions. [2021-12-06 17:20:28,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:20:28,874 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 159 [2021-12-06 17:20:28,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:28,877 INFO L225 Difference]: With dead ends: 447 [2021-12-06 17:20:28,877 INFO L226 Difference]: Without dead ends: 445 [2021-12-06 17:20:28,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:20:28,878 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 249 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1626 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:28,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 1626 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 17:20:28,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2021-12-06 17:20:28,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 362. [2021-12-06 17:20:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 239 states have (on average 1.2343096234309623) internal successors, (295), 243 states have internal predecessors, (295), 87 states have call successors, (87), 33 states have call predecessors, (87), 35 states have return successors, (95), 85 states have call predecessors, (95), 85 states have call successors, (95) [2021-12-06 17:20:28,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 477 transitions. [2021-12-06 17:20:28,894 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 477 transitions. Word has length 159 [2021-12-06 17:20:28,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:28,895 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 477 transitions. [2021-12-06 17:20:28,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-06 17:20:28,895 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 477 transitions. [2021-12-06 17:20:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-06 17:20:28,896 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:28,896 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:28,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 17:20:28,897 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:28,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:28,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1110933035, now seen corresponding path program 1 times [2021-12-06 17:20:28,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:28,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725241592] [2021-12-06 17:20:28,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:28,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:20:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 17:20:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:20:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 17:20:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-06 17:20:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 17:20:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-12-06 17:20:29,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:29,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725241592] [2021-12-06 17:20:29,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725241592] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:29,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:29,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 17:20:29,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748988768] [2021-12-06 17:20:29,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:29,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 17:20:29,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:29,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:20:29,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:20:29,307 INFO L87 Difference]: Start difference. First operand 362 states and 477 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-06 17:20:31,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:31,195 INFO L93 Difference]: Finished difference Result 450 states and 605 transitions. [2021-12-06 17:20:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:20:31,195 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 159 [2021-12-06 17:20:31,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:31,198 INFO L225 Difference]: With dead ends: 450 [2021-12-06 17:20:31,198 INFO L226 Difference]: Without dead ends: 448 [2021-12-06 17:20:31,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:20:31,199 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 248 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:31,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 1642 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-06 17:20:31,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-12-06 17:20:31,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 361. [2021-12-06 17:20:31,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 239 states have (on average 1.2343096234309623) internal successors, (295), 242 states have internal predecessors, (295), 86 states have call successors, (86), 33 states have call predecessors, (86), 35 states have return successors, (94), 85 states have call predecessors, (94), 84 states have call successors, (94) [2021-12-06 17:20:31,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 475 transitions. [2021-12-06 17:20:31,214 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 475 transitions. Word has length 159 [2021-12-06 17:20:31,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:31,215 INFO L470 AbstractCegarLoop]: Abstraction has 361 states and 475 transitions. [2021-12-06 17:20:31,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-06 17:20:31,215 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 475 transitions. [2021-12-06 17:20:31,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-06 17:20:31,216 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:31,216 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:31,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 17:20:31,217 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:31,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:31,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1362509639, now seen corresponding path program 1 times [2021-12-06 17:20:31,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:31,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123285091] [2021-12-06 17:20:31,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:31,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:20:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 17:20:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 17:20:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:20:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 17:20:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-06 17:20:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:31,575 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-06 17:20:31,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:31,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123285091] [2021-12-06 17:20:31,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123285091] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:31,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:31,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:20:31,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652983265] [2021-12-06 17:20:31,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:31,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:20:31,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:31,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:20:31,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:20:31,577 INFO L87 Difference]: Start difference. First operand 361 states and 475 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 4 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 17:20:32,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:32,765 INFO L93 Difference]: Finished difference Result 805 states and 1098 transitions. [2021-12-06 17:20:32,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 17:20:32,765 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 4 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 178 [2021-12-06 17:20:32,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:32,769 INFO L225 Difference]: With dead ends: 805 [2021-12-06 17:20:32,769 INFO L226 Difference]: Without dead ends: 513 [2021-12-06 17:20:32,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:20:32,770 INFO L933 BasicCegarLoop]: 443 mSDtfsCounter, 635 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 1923 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:32,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [690 Valid, 1923 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-06 17:20:32,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2021-12-06 17:20:32,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 402. [2021-12-06 17:20:32,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 269 states have (on average 1.2490706319702602) internal successors, (336), 273 states have internal predecessors, (336), 96 states have call successors, (96), 34 states have call predecessors, (96), 36 states have return successors, (105), 94 states have call predecessors, (105), 94 states have call successors, (105) [2021-12-06 17:20:32,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 537 transitions. [2021-12-06 17:20:32,789 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 537 transitions. Word has length 178 [2021-12-06 17:20:32,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:32,790 INFO L470 AbstractCegarLoop]: Abstraction has 402 states and 537 transitions. [2021-12-06 17:20:32,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 4 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 17:20:32,790 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 537 transitions. [2021-12-06 17:20:32,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-06 17:20:32,791 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:32,792 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:32,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 17:20:32,792 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:32,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:32,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1099401581, now seen corresponding path program 1 times [2021-12-06 17:20:32,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:32,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502874247] [2021-12-06 17:20:32,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:32,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:20:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 17:20:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 17:20:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:20:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 17:20:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 17:20:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-06 17:20:33,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:33,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502874247] [2021-12-06 17:20:33,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502874247] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:33,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:33,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-06 17:20:33,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725157835] [2021-12-06 17:20:33,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:33,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-06 17:20:33,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:33,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 17:20:33,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2021-12-06 17:20:33,369 INFO L87 Difference]: Start difference. First operand 402 states and 537 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 8 states have internal predecessors, (77), 6 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 17:20:35,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:35,804 INFO L93 Difference]: Finished difference Result 1011 states and 1427 transitions. [2021-12-06 17:20:35,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 17:20:35,805 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 8 states have internal predecessors, (77), 6 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) Word has length 174 [2021-12-06 17:20:35,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:35,809 INFO L225 Difference]: With dead ends: 1011 [2021-12-06 17:20:35,809 INFO L226 Difference]: Without dead ends: 691 [2021-12-06 17:20:35,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2021-12-06 17:20:35,810 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 573 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 2907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:35,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [625 Valid, 3660 Invalid, 2907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 17:20:35,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2021-12-06 17:20:35,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 449. [2021-12-06 17:20:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 303 states have (on average 1.2607260726072607) internal successors, (382), 308 states have internal predecessors, (382), 105 states have call successors, (105), 37 states have call predecessors, (105), 40 states have return successors, (118), 103 states have call predecessors, (118), 103 states have call successors, (118) [2021-12-06 17:20:35,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 605 transitions. [2021-12-06 17:20:35,839 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 605 transitions. Word has length 174 [2021-12-06 17:20:35,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:35,840 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 605 transitions. [2021-12-06 17:20:35,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 8 states have internal predecessors, (77), 6 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 17:20:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 605 transitions. [2021-12-06 17:20:35,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-06 17:20:35,841 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:35,841 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:35,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 17:20:35,842 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:35,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:35,842 INFO L85 PathProgramCache]: Analyzing trace with hash -73198679, now seen corresponding path program 1 times [2021-12-06 17:20:35,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:35,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681391765] [2021-12-06 17:20:35,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:35,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:35,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:35,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:35,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:35,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:35,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:20:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 17:20:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-06 17:20:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:20:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:20:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-06 17:20:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-12-06 17:20:36,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:36,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681391765] [2021-12-06 17:20:36,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681391765] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:36,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:36,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:20:36,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112251699] [2021-12-06 17:20:36,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:36,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:20:36,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:36,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:20:36,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:20:36,199 INFO L87 Difference]: Start difference. First operand 449 states and 605 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-06 17:20:40,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:40,379 INFO L93 Difference]: Finished difference Result 861 states and 1191 transitions. [2021-12-06 17:20:40,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 17:20:40,379 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) Word has length 172 [2021-12-06 17:20:40,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:40,383 INFO L225 Difference]: With dead ends: 861 [2021-12-06 17:20:40,383 INFO L226 Difference]: Without dead ends: 583 [2021-12-06 17:20:40,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-12-06 17:20:40,384 INFO L933 BasicCegarLoop]: 436 mSDtfsCounter, 359 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:40,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [417 Valid, 1783 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-06 17:20:40,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2021-12-06 17:20:40,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 449. [2021-12-06 17:20:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 303 states have (on average 1.2475247524752475) internal successors, (378), 308 states have internal predecessors, (378), 105 states have call successors, (105), 37 states have call predecessors, (105), 40 states have return successors, (118), 103 states have call predecessors, (118), 103 states have call successors, (118) [2021-12-06 17:20:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 601 transitions. [2021-12-06 17:20:40,405 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 601 transitions. Word has length 172 [2021-12-06 17:20:40,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:40,405 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 601 transitions. [2021-12-06 17:20:40,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-06 17:20:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 601 transitions. [2021-12-06 17:20:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-06 17:20:40,407 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:40,407 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:40,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 17:20:40,407 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:40,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:40,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1732239655, now seen corresponding path program 1 times [2021-12-06 17:20:40,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:40,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349919311] [2021-12-06 17:20:40,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:40,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:20:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 17:20:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-06 17:20:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:20:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:20:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-06 17:20:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:40,806 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-12-06 17:20:40,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:40,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349919311] [2021-12-06 17:20:40,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349919311] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:40,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:40,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:20:40,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879255950] [2021-12-06 17:20:40,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:40,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:20:40,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:40,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:20:40,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:20:40,808 INFO L87 Difference]: Start difference. First operand 449 states and 601 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-06 17:20:44,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:44,411 INFO L93 Difference]: Finished difference Result 784 states and 1122 transitions. [2021-12-06 17:20:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 17:20:44,412 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 172 [2021-12-06 17:20:44,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:44,416 INFO L225 Difference]: With dead ends: 784 [2021-12-06 17:20:44,416 INFO L226 Difference]: Without dead ends: 709 [2021-12-06 17:20:44,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:20:44,417 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 469 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 1887 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:44,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [533 Valid, 1887 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-06 17:20:44,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2021-12-06 17:20:44,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 457. [2021-12-06 17:20:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 309 states have (on average 1.2427184466019416) internal successors, (384), 314 states have internal predecessors, (384), 105 states have call successors, (105), 37 states have call predecessors, (105), 42 states have return successors, (122), 105 states have call predecessors, (122), 103 states have call successors, (122) [2021-12-06 17:20:44,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 611 transitions. [2021-12-06 17:20:44,440 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 611 transitions. Word has length 172 [2021-12-06 17:20:44,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:44,441 INFO L470 AbstractCegarLoop]: Abstraction has 457 states and 611 transitions. [2021-12-06 17:20:44,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-06 17:20:44,441 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 611 transitions. [2021-12-06 17:20:44,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-06 17:20:44,442 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:44,442 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:44,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 17:20:44,443 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:44,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:44,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1482232862, now seen corresponding path program 1 times [2021-12-06 17:20:44,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:44,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809431422] [2021-12-06 17:20:44,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:44,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:20:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 17:20:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 17:20:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:20:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 17:20:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 17:20:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-06 17:20:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-06 17:20:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:44,983 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-12-06 17:20:44,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:44,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809431422] [2021-12-06 17:20:44,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809431422] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:20:44,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055797372] [2021-12-06 17:20:44,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:44,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:20:44,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:20:44,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:20:44,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 17:20:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:45,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 2784 conjuncts, 49 conjunts are in the unsatisfiable core [2021-12-06 17:20:45,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:20:45,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-12-06 17:20:45,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-12-06 17:20:45,630 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-12-06 17:20:45,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:20:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-12-06 17:20:46,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055797372] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:20:46,044 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:20:46,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 13] total 19 [2021-12-06 17:20:46,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450034873] [2021-12-06 17:20:46,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:20:46,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 17:20:46,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:46,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 17:20:46,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-12-06 17:20:46,046 INFO L87 Difference]: Start difference. First operand 457 states and 611 transitions. Second operand has 19 states, 16 states have (on average 6.4375) internal successors, (103), 14 states have internal predecessors, (103), 10 states have call successors, (42), 7 states have call predecessors, (42), 5 states have return successors, (33), 6 states have call predecessors, (33), 8 states have call successors, (33) [2021-12-06 17:20:48,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:48,785 INFO L93 Difference]: Finished difference Result 966 states and 1329 transitions. [2021-12-06 17:20:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 17:20:48,786 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.4375) internal successors, (103), 14 states have internal predecessors, (103), 10 states have call successors, (42), 7 states have call predecessors, (42), 5 states have return successors, (33), 6 states have call predecessors, (33), 8 states have call successors, (33) Word has length 178 [2021-12-06 17:20:48,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:48,789 INFO L225 Difference]: With dead ends: 966 [2021-12-06 17:20:48,789 INFO L226 Difference]: Without dead ends: 615 [2021-12-06 17:20:48,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 401 SyntacticMatches, 4 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=905, Unknown=0, NotChecked=0, Total=1056 [2021-12-06 17:20:48,791 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 507 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 4206 SdHoareTripleChecker+Invalid, 3427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 3085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:48,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [557 Valid, 4206 Invalid, 3427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 3085 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-06 17:20:48,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2021-12-06 17:20:48,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 473. [2021-12-06 17:20:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 316 states have (on average 1.2373417721518987) internal successors, (391), 321 states have internal predecessors, (391), 113 states have call successors, (113), 38 states have call predecessors, (113), 43 states have return successors, (128), 113 states have call predecessors, (128), 111 states have call successors, (128) [2021-12-06 17:20:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 632 transitions. [2021-12-06 17:20:48,814 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 632 transitions. Word has length 178 [2021-12-06 17:20:48,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:48,815 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 632 transitions. [2021-12-06 17:20:48,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.4375) internal successors, (103), 14 states have internal predecessors, (103), 10 states have call successors, (42), 7 states have call predecessors, (42), 5 states have return successors, (33), 6 states have call predecessors, (33), 8 states have call successors, (33) [2021-12-06 17:20:48,815 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 632 transitions. [2021-12-06 17:20:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-06 17:20:48,816 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:48,816 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:48,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 17:20:49,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-06 17:20:49,018 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:49,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:49,019 INFO L85 PathProgramCache]: Analyzing trace with hash -801809861, now seen corresponding path program 1 times [2021-12-06 17:20:49,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:49,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077569873] [2021-12-06 17:20:49,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:49,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:20:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 17:20:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 17:20:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:20:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 17:20:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-06 17:20:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:49,512 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-06 17:20:49,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:49,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077569873] [2021-12-06 17:20:49,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077569873] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:49,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:49,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-06 17:20:49,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779328526] [2021-12-06 17:20:49,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:49,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 17:20:49,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:49,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 17:20:49,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:20:49,514 INFO L87 Difference]: Start difference. First operand 473 states and 632 transitions. Second operand has 15 states, 15 states have (on average 5.4) internal successors, (81), 9 states have internal predecessors, (81), 6 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 17:20:52,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:52,440 INFO L93 Difference]: Finished difference Result 1059 states and 1490 transitions. [2021-12-06 17:20:52,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 17:20:52,441 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 9 states have internal predecessors, (81), 6 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) Word has length 178 [2021-12-06 17:20:52,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:52,445 INFO L225 Difference]: With dead ends: 1059 [2021-12-06 17:20:52,445 INFO L226 Difference]: Without dead ends: 738 [2021-12-06 17:20:52,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=672, Unknown=0, NotChecked=0, Total=812 [2021-12-06 17:20:52,447 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 449 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 2839 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 2839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:52,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [501 Valid, 4078 Invalid, 3033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 2839 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-06 17:20:52,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2021-12-06 17:20:52,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 494. [2021-12-06 17:20:52,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 327 states have (on average 1.2324159021406729) internal successors, (403), 332 states have internal predecessors, (403), 121 states have call successors, (121), 40 states have call predecessors, (121), 45 states have return successors, (138), 121 states have call predecessors, (138), 119 states have call successors, (138) [2021-12-06 17:20:52,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 662 transitions. [2021-12-06 17:20:52,487 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 662 transitions. Word has length 178 [2021-12-06 17:20:52,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:52,487 INFO L470 AbstractCegarLoop]: Abstraction has 494 states and 662 transitions. [2021-12-06 17:20:52,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 9 states have internal predecessors, (81), 6 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 17:20:52,488 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 662 transitions. [2021-12-06 17:20:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-06 17:20:52,489 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:52,489 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:52,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 17:20:52,489 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:52,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:52,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1914549499, now seen corresponding path program 1 times [2021-12-06 17:20:52,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:52,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258336174] [2021-12-06 17:20:52,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:52,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:20:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 17:20:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-06 17:20:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:20:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:20:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 17:20:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-12-06 17:20:52,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:52,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258336174] [2021-12-06 17:20:52,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258336174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:52,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:20:52,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:20:52,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964751876] [2021-12-06 17:20:52,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:52,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:20:52,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:52,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:20:52,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:20:52,785 INFO L87 Difference]: Start difference. First operand 494 states and 662 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-06 17:20:55,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:55,840 INFO L93 Difference]: Finished difference Result 908 states and 1252 transitions. [2021-12-06 17:20:55,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:20:55,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 174 [2021-12-06 17:20:55,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:55,844 INFO L225 Difference]: With dead ends: 908 [2021-12-06 17:20:55,844 INFO L226 Difference]: Without dead ends: 630 [2021-12-06 17:20:55,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:20:55,845 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 283 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:55,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 1238 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-06 17:20:55,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-12-06 17:20:55,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 496. [2021-12-06 17:20:55,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 329 states have (on average 1.2310030395136777) internal successors, (405), 334 states have internal predecessors, (405), 121 states have call successors, (121), 40 states have call predecessors, (121), 45 states have return successors, (138), 121 states have call predecessors, (138), 119 states have call successors, (138) [2021-12-06 17:20:55,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 664 transitions. [2021-12-06 17:20:55,871 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 664 transitions. Word has length 174 [2021-12-06 17:20:55,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:55,872 INFO L470 AbstractCegarLoop]: Abstraction has 496 states and 664 transitions. [2021-12-06 17:20:55,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-06 17:20:55,872 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 664 transitions. [2021-12-06 17:20:55,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-06 17:20:55,873 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:55,874 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:55,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 17:20:55,874 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:55,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:55,874 INFO L85 PathProgramCache]: Analyzing trace with hash -167187636, now seen corresponding path program 1 times [2021-12-06 17:20:55,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:55,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672042000] [2021-12-06 17:20:55,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:55,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:20:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:20:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:20:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:20:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:20:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:20:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:20:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:20:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:20:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:20:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 17:20:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:20:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:20:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 17:20:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 17:20:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 17:20:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:20:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:20:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 17:20:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 17:20:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 17:20:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-06 17:20:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:20:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,579 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-06 17:20:56,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:20:56,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672042000] [2021-12-06 17:20:56,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672042000] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:20:56,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285686151] [2021-12-06 17:20:56,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:56,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:20:56,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:20:56,580 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:20:56,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 17:20:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:20:56,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 2844 conjuncts, 67 conjunts are in the unsatisfiable core [2021-12-06 17:20:56,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:20:57,190 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-12-06 17:20:57,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:20:57,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285686151] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:20:57,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:20:57,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 12 [2021-12-06 17:20:57,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054281849] [2021-12-06 17:20:57,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:20:57,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:20:57,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:20:57,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:20:57,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:20:57,192 INFO L87 Difference]: Start difference. First operand 496 states and 664 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2021-12-06 17:20:57,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:20:57,387 INFO L93 Difference]: Finished difference Result 985 states and 1317 transitions. [2021-12-06 17:20:57,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:20:57,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 188 [2021-12-06 17:20:57,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:20:57,391 INFO L225 Difference]: With dead ends: 985 [2021-12-06 17:20:57,391 INFO L226 Difference]: Without dead ends: 498 [2021-12-06 17:20:57,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:20:57,392 INFO L933 BasicCegarLoop]: 418 mSDtfsCounter, 30 mSDsluCounter, 1994 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 2412 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:20:57,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 2412 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:20:57,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2021-12-06 17:20:57,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2021-12-06 17:20:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 330 states have (on average 1.2303030303030302) internal successors, (406), 336 states have internal predecessors, (406), 121 states have call successors, (121), 40 states have call predecessors, (121), 46 states have return successors, (139), 121 states have call predecessors, (139), 119 states have call successors, (139) [2021-12-06 17:20:57,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 666 transitions. [2021-12-06 17:20:57,417 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 666 transitions. Word has length 188 [2021-12-06 17:20:57,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:20:57,418 INFO L470 AbstractCegarLoop]: Abstraction has 498 states and 666 transitions. [2021-12-06 17:20:57,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2021-12-06 17:20:57,418 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 666 transitions. [2021-12-06 17:20:57,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-06 17:20:57,420 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:20:57,420 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:20:57,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 17:20:57,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-06 17:20:57,622 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:20:57,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:20:57,624 INFO L85 PathProgramCache]: Analyzing trace with hash 464786715, now seen corresponding path program 1 times [2021-12-06 17:20:57,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:20:57,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142655844] [2021-12-06 17:20:57,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:57,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:20:57,720 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:20:57,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1197597818] [2021-12-06 17:20:57,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:20:57,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:20:57,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:20:57,721 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:20:57,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 17:26:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:22,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 2949 conjuncts, 383 conjunts are in the unsatisfiable core [2021-12-06 17:26:22,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:26:22,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 17:26:22,573 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 17:26:22,573 INFO L388 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 [2021-12-06 17:26:22,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2021-12-06 17:26:22,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:26:22,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-12-06 17:26:23,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:26:23,520 INFO L354 Elim1Store]: treesize reduction 183, result has 22.1 percent of original size [2021-12-06 17:26:23,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 120 treesize of output 149 [2021-12-06 17:26:24,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2021-12-06 17:26:25,264 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 113 proven. 18 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-12-06 17:26:25,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:26:26,361 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3347 (Array Int Int)) (v_ArrVal_3348 (Array Int Int)) (v_ArrVal_3349 (Array Int Int))) (< (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_hash_table_state_has_an_empty_slot_~rval#1.base| v_ArrVal_3349) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_hash_table_state_has_an_empty_slot_~rval#1.base| v_ArrVal_3348) |c_ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset|)) (+ 40 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_hash_table_state_has_an_empty_slot_~rval#1.base| v_ArrVal_3347) |c_ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset|))) 18446744073709551616) 2)) is different from false [2021-12-06 17:26:26,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:26,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142655844] [2021-12-06 17:26:26,368 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:26:26,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197597818] [2021-12-06 17:26:26,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197597818] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:26:26,368 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:26:26,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2021-12-06 17:26:26,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122307828] [2021-12-06 17:26:26,369 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-06 17:26:26,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-06 17:26:26,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:26,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-06 17:26:26,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2021, Unknown=1, NotChecked=90, Total=2256 [2021-12-06 17:26:26,370 INFO L87 Difference]: Start difference. First operand 498 states and 666 transitions. Second operand has 34 states, 26 states have (on average 3.5384615384615383) internal successors, (92), 25 states have internal predecessors, (92), 12 states have call successors, (32), 6 states have call predecessors, (32), 11 states have return successors, (28), 11 states have call predecessors, (28), 12 states have call successors, (28) [2021-12-06 17:26:27,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:27,378 INFO L93 Difference]: Finished difference Result 1032 states and 1367 transitions. [2021-12-06 17:26:27,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-12-06 17:26:27,379 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 26 states have (on average 3.5384615384615383) internal successors, (92), 25 states have internal predecessors, (92), 12 states have call successors, (32), 6 states have call predecessors, (32), 11 states have return successors, (28), 11 states have call predecessors, (28), 12 states have call successors, (28) Word has length 194 [2021-12-06 17:26:27,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:27,382 INFO L225 Difference]: With dead ends: 1032 [2021-12-06 17:26:27,382 INFO L226 Difference]: Without dead ends: 531 [2021-12-06 17:26:27,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 223 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=170, Invalid=2283, Unknown=1, NotChecked=96, Total=2550 [2021-12-06 17:26:27,384 INFO L933 BasicCegarLoop]: 436 mSDtfsCounter, 25 mSDsluCounter, 5372 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 5808 SdHoareTripleChecker+Invalid, 3455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3101 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:27,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 5808 Invalid, 3455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 349 Invalid, 0 Unknown, 3101 Unchecked, 0.7s Time] [2021-12-06 17:26:27,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2021-12-06 17:26:27,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 527. [2021-12-06 17:26:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 349 states have (on average 1.2234957020057307) internal successors, (427), 355 states have internal predecessors, (427), 126 states have call successors, (126), 46 states have call predecessors, (126), 51 states have return successors, (142), 125 states have call predecessors, (142), 124 states have call successors, (142) [2021-12-06 17:26:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 695 transitions. [2021-12-06 17:26:27,409 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 695 transitions. Word has length 194 [2021-12-06 17:26:27,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:27,410 INFO L470 AbstractCegarLoop]: Abstraction has 527 states and 695 transitions. [2021-12-06 17:26:27,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 26 states have (on average 3.5384615384615383) internal successors, (92), 25 states have internal predecessors, (92), 12 states have call successors, (32), 6 states have call predecessors, (32), 11 states have return successors, (28), 11 states have call predecessors, (28), 12 states have call successors, (28) [2021-12-06 17:26:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 695 transitions. [2021-12-06 17:26:27,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-06 17:26:27,411 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:27,412 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:27,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 17:26:27,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-06 17:26:27,612 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:26:27,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:27,613 INFO L85 PathProgramCache]: Analyzing trace with hash 554039209, now seen corresponding path program 1 times [2021-12-06 17:26:27,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:26:27,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220284912] [2021-12-06 17:26:27,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:27,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:26:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:26:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:26:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 17:26:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 17:26:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 17:26:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 17:26:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-06 17:26:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-06 17:26:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 17:26:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 17:26:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 17:26:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-06 17:26:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-06 17:26:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:26:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:26:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 17:26:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 17:26:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-06 17:26:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-06 17:26:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-06 17:26:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:27,979 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-12-06 17:26:27,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:27,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220284912] [2021-12-06 17:26:27,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220284912] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:26:27,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:26:27,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:26:27,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193923605] [2021-12-06 17:26:27,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:27,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 17:26:27,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:27,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 17:26:27,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:26:27,981 INFO L87 Difference]: Start difference. First operand 527 states and 695 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-06 17:26:29,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:29,375 INFO L93 Difference]: Finished difference Result 1142 states and 1545 transitions. [2021-12-06 17:26:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 17:26:29,375 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) Word has length 200 [2021-12-06 17:26:29,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:29,378 INFO L225 Difference]: With dead ends: 1142 [2021-12-06 17:26:29,379 INFO L226 Difference]: Without dead ends: 639 [2021-12-06 17:26:29,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:26:29,380 INFO L933 BasicCegarLoop]: 416 mSDtfsCounter, 241 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:29,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 2196 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 17:26:29,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2021-12-06 17:26:29,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 532. [2021-12-06 17:26:29,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 353 states have (on average 1.2209631728045325) internal successors, (431), 359 states have internal predecessors, (431), 126 states have call successors, (126), 46 states have call predecessors, (126), 52 states have return successors, (143), 126 states have call predecessors, (143), 124 states have call successors, (143) [2021-12-06 17:26:29,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 700 transitions. [2021-12-06 17:26:29,405 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 700 transitions. Word has length 200 [2021-12-06 17:26:29,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:29,406 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 700 transitions. [2021-12-06 17:26:29,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-06 17:26:29,406 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 700 transitions. [2021-12-06 17:26:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-06 17:26:29,407 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:29,407 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:29,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 17:26:29,408 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:26:29,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:29,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1173897217, now seen corresponding path program 1 times [2021-12-06 17:26:29,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:26:29,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165087020] [2021-12-06 17:26:29,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:29,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:26:29,445 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:26:29,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051822655] [2021-12-06 17:26:29,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:29,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:26:29,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:26:29,446 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:26:29,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 17:26:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:29,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 2945 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 17:26:29,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:26:30,010 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-06 17:26:30,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:26:30,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:30,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165087020] [2021-12-06 17:26:30,011 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 17:26:30,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051822655] [2021-12-06 17:26:30,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051822655] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:26:30,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:26:30,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:26:30,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330595] [2021-12-06 17:26:30,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:30,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:26:30,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:30,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:26:30,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:26:30,012 INFO L87 Difference]: Start difference. First operand 532 states and 700 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 6 states have internal predecessors, (90), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-06 17:26:30,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:30,031 INFO L93 Difference]: Finished difference Result 568 states and 735 transitions. [2021-12-06 17:26:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:26:30,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 6 states have internal predecessors, (90), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) Word has length 200 [2021-12-06 17:26:30,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:30,032 INFO L225 Difference]: With dead ends: 568 [2021-12-06 17:26:30,032 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 17:26:30,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:26:30,034 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 2 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:30,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 319 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:26:30,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 17:26:30,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 17:26:30,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:26:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 17:26:30,034 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2021-12-06 17:26:30,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:30,035 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:26:30,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 6 states have internal predecessors, (90), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-06 17:26:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:26:30,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 17:26:30,037 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 17:26:30,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-06 17:26:30,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:26:30,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 17:26:32,136 INFO L861 garLoopResultBuilder]: At program point L7342(line 7342) the Hoare annotation is: true [2021-12-06 17:26:32,136 INFO L858 garLoopResultBuilder]: For program point uninterpreted_equalsFINAL(lines 7331 7345) no Hoare annotation was computed. [2021-12-06 17:26:32,137 INFO L858 garLoopResultBuilder]: For program point L7339-1(line 7339) no Hoare annotation was computed. [2021-12-06 17:26:32,137 INFO L861 garLoopResultBuilder]: At program point L7339(line 7339) the Hoare annotation is: true [2021-12-06 17:26:32,137 INFO L858 garLoopResultBuilder]: For program point L7342-3(line 7342) no Hoare annotation was computed. [2021-12-06 17:26:32,137 INFO L858 garLoopResultBuilder]: For program point L7341-2(lines 7341 7343) no Hoare annotation was computed. [2021-12-06 17:26:32,137 INFO L861 garLoopResultBuilder]: At program point L7342-2(line 7342) the Hoare annotation is: true [2021-12-06 17:26:32,137 INFO L858 garLoopResultBuilder]: For program point L7341(lines 7341 7343) no Hoare annotation was computed. [2021-12-06 17:26:32,137 INFO L861 garLoopResultBuilder]: At program point L7342-1(line 7342) the Hoare annotation is: true [2021-12-06 17:26:32,137 INFO L858 garLoopResultBuilder]: For program point uninterpreted_equalsEXIT(lines 7331 7345) no Hoare annotation was computed. [2021-12-06 17:26:32,137 INFO L858 garLoopResultBuilder]: For program point L7335-1(line 7335) no Hoare annotation was computed. [2021-12-06 17:26:32,137 INFO L861 garLoopResultBuilder]: At program point L7335(line 7335) the Hoare annotation is: true [2021-12-06 17:26:32,137 INFO L861 garLoopResultBuilder]: At program point L7337-1(line 7337) the Hoare annotation is: true [2021-12-06 17:26:32,137 INFO L861 garLoopResultBuilder]: At program point uninterpreted_equalsENTRY(lines 7331 7345) the Hoare annotation is: true [2021-12-06 17:26:32,137 INFO L861 garLoopResultBuilder]: At program point L7337(line 7337) the Hoare annotation is: true [2021-12-06 17:26:32,137 INFO L858 garLoopResultBuilder]: For program point L6944-1(lines 6944 6946) no Hoare annotation was computed. [2021-12-06 17:26:32,137 INFO L854 garLoopResultBuilder]: At program point L6944(lines 6944 6946) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (forall ((|aux_div_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| Int) (|aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| Int) (|v_ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base_BEFORE_CALL_3| Int)) (or (not (<= 0 |aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104|)) (not (<= |aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| 4)) (not (= (+ (* 442721857769029238784 |aux_div_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104|) (* 24 |aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104|)) (+ 29629528 (select (select |#memory_int| |v_ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base_BEFORE_CALL_3|) 0)))))) (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-06 17:26:32,138 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6943 6948) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (forall ((|aux_div_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| Int) (|aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| Int) (|v_ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base_BEFORE_CALL_3| Int)) (or (not (<= 0 |aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104|)) (not (<= |aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| 4)) (not (= (+ (* 442721857769029238784 |aux_div_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104|) (* 24 |aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104|)) (+ 29629528 (select (select |#memory_int| |v_ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base_BEFORE_CALL_3|) 0)))))) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-06 17:26:32,138 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6943 6948) no Hoare annotation was computed. [2021-12-06 17:26:32,138 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6943 6948) no Hoare annotation was computed. [2021-12-06 17:26:32,138 INFO L861 garLoopResultBuilder]: At program point __CPROVER_uninterpreted_equalsENTRY(line 239) the Hoare annotation is: true [2021-12-06 17:26:32,138 INFO L858 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_equalsFINAL(line 239) no Hoare annotation was computed. [2021-12-06 17:26:32,138 INFO L858 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_equalsEXIT(line 239) no Hoare annotation was computed. [2021-12-06 17:26:32,138 INFO L858 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_hasherEXIT(line 238) no Hoare annotation was computed. [2021-12-06 17:26:32,138 INFO L861 garLoopResultBuilder]: At program point __CPROVER_uninterpreted_hasherENTRY(line 238) the Hoare annotation is: true [2021-12-06 17:26:32,138 INFO L858 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_hasherFINAL(line 238) no Hoare annotation was computed. [2021-12-06 17:26:32,138 INFO L858 garLoopResultBuilder]: For program point L10008-3(line 10008) no Hoare annotation was computed. [2021-12-06 17:26:32,138 INFO L861 garLoopResultBuilder]: At program point L10008-4(line 10008) the Hoare annotation is: true [2021-12-06 17:26:32,138 INFO L858 garLoopResultBuilder]: For program point L10008-5(line 10008) no Hoare annotation was computed. [2021-12-06 17:26:32,138 INFO L861 garLoopResultBuilder]: At program point aws_hash_table_is_validENTRY(lines 10006 10009) the Hoare annotation is: true [2021-12-06 17:26:32,138 INFO L858 garLoopResultBuilder]: For program point L10008(line 10008) no Hoare annotation was computed. [2021-12-06 17:26:32,138 INFO L858 garLoopResultBuilder]: For program point L10008-2(line 10008) no Hoare annotation was computed. [2021-12-06 17:26:32,138 INFO L858 garLoopResultBuilder]: For program point L10008-7(line 10008) no Hoare annotation was computed. [2021-12-06 17:26:32,138 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_is_validEXIT(lines 10006 10009) no Hoare annotation was computed. [2021-12-06 17:26:32,139 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_is_validFINAL(lines 10006 10009) no Hoare annotation was computed. [2021-12-06 17:26:32,139 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-06 17:26:32,139 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-06 17:26:32,139 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-06 17:26:32,139 INFO L858 garLoopResultBuilder]: For program point L7130(lines 7130 7134) no Hoare annotation was computed. [2021-12-06 17:26:32,139 INFO L858 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7122 7135) no Hoare annotation was computed. [2021-12-06 17:26:32,139 INFO L861 garLoopResultBuilder]: At program point L7126(lines 7126 7128) the Hoare annotation is: true [2021-12-06 17:26:32,139 INFO L861 garLoopResultBuilder]: At program point aws_mem_releaseENTRY(lines 7122 7135) the Hoare annotation is: true [2021-12-06 17:26:32,139 INFO L858 garLoopResultBuilder]: For program point L7130-2(lines 7122 7135) no Hoare annotation was computed. [2021-12-06 17:26:32,139 INFO L858 garLoopResultBuilder]: For program point L7123-1(lines 7123 7125) no Hoare annotation was computed. [2021-12-06 17:26:32,139 INFO L861 garLoopResultBuilder]: At program point L7123(lines 7123 7125) the Hoare annotation is: true [2021-12-06 17:26:32,139 INFO L858 garLoopResultBuilder]: For program point L7126-1(lines 7126 7128) no Hoare annotation was computed. [2021-12-06 17:26:32,139 INFO L854 garLoopResultBuilder]: At program point hash_table_state_required_bytesENTRY(lines 10119 10131) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-12-06 17:26:32,139 INFO L858 garLoopResultBuilder]: For program point hash_table_state_required_bytesEXIT(lines 10119 10131) no Hoare annotation was computed. [2021-12-06 17:26:32,139 INFO L858 garLoopResultBuilder]: For program point L10126-1(line 10126) no Hoare annotation was computed. [2021-12-06 17:26:32,139 INFO L858 garLoopResultBuilder]: For program point L10126-2(lines 10126 10128) no Hoare annotation was computed. [2021-12-06 17:26:32,139 INFO L854 garLoopResultBuilder]: At program point L10122(line 10122) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#memory_real)| |#memory_real|) (= (store |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base| 1) |#valid|) (= |#memory_int| |old(#memory_int)|) (= hash_table_state_required_bytes_~required_bytes.offset |hash_table_state_required_bytes_#in~required_bytes.offset|) (= (select |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base|) 0) (= hash_table_state_required_bytes_~size |hash_table_state_required_bytes_#in~size|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= hash_table_state_required_bytes_~required_bytes.base |hash_table_state_required_bytes_#in~required_bytes.base|) (= |hash_table_state_required_bytes_~#elemsize~0.offset| 0))) [2021-12-06 17:26:32,140 INFO L854 garLoopResultBuilder]: At program point L10126(line 10126) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= (* 24 |hash_table_state_required_bytes_#in~size|) |hash_table_state_required_bytes_#t~mem1324|) (= hash_table_state_required_bytes_~required_bytes.offset |hash_table_state_required_bytes_#in~required_bytes.offset|) (= (select |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base|) 0) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_81| Int) (v_ArrVal_3301 Int)) (let ((.cse0 (store |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base| 1))) (and (= |#valid| (store .cse0 |v___CPROVER_overflow_mult_~#c~1.base_81| v_ArrVal_3301)) (= (select .cse0 |v___CPROVER_overflow_mult_~#c~1.base_81|) 0)))) (= hash_table_state_required_bytes_~required_bytes.base |hash_table_state_required_bytes_#in~required_bytes.base|))) [2021-12-06 17:26:32,140 INFO L858 garLoopResultBuilder]: For program point hash_table_state_required_bytesFINAL(lines 10119 10131) no Hoare annotation was computed. [2021-12-06 17:26:32,140 INFO L858 garLoopResultBuilder]: For program point L10122-1(line 10122) no Hoare annotation was computed. [2021-12-06 17:26:32,140 INFO L858 garLoopResultBuilder]: For program point L10122-2(lines 10122 10124) no Hoare annotation was computed. [2021-12-06 17:26:32,140 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 17:26:32,140 INFO L861 garLoopResultBuilder]: At program point L6940(lines 6934 6941) the Hoare annotation is: true [2021-12-06 17:26:32,140 INFO L861 garLoopResultBuilder]: At program point L6936-2(line 6936) the Hoare annotation is: true [2021-12-06 17:26:32,140 INFO L858 garLoopResultBuilder]: For program point L6936-1(line 6936) no Hoare annotation was computed. [2021-12-06 17:26:32,140 INFO L861 garLoopResultBuilder]: At program point L6936(line 6936) the Hoare annotation is: true [2021-12-06 17:26:32,140 INFO L858 garLoopResultBuilder]: For program point L6937-1(lines 6937 6939) no Hoare annotation was computed. [2021-12-06 17:26:32,140 INFO L861 garLoopResultBuilder]: At program point L6937(lines 6937 6939) the Hoare annotation is: true [2021-12-06 17:26:32,140 INFO L858 garLoopResultBuilder]: For program point L6936-3(line 6936) no Hoare annotation was computed. [2021-12-06 17:26:32,140 INFO L858 garLoopResultBuilder]: For program point can_fail_callocEXIT(lines 6954 6958) no Hoare annotation was computed. [2021-12-06 17:26:32,140 INFO L858 garLoopResultBuilder]: For program point L6955-1(lines 6955 6957) no Hoare annotation was computed. [2021-12-06 17:26:32,140 INFO L861 garLoopResultBuilder]: At program point can_fail_callocENTRY(lines 6954 6958) the Hoare annotation is: true [2021-12-06 17:26:32,140 INFO L861 garLoopResultBuilder]: At program point L6955(line 6955) the Hoare annotation is: true [2021-12-06 17:26:32,140 INFO L858 garLoopResultBuilder]: For program point can_fail_callocFINAL(lines 6954 6958) no Hoare annotation was computed. [2021-12-06 17:26:32,140 INFO L858 garLoopResultBuilder]: For program point L6955-3(lines 6955 6957) no Hoare annotation was computed. [2021-12-06 17:26:32,141 INFO L861 garLoopResultBuilder]: At program point L2657(lines 2637 2658) the Hoare annotation is: true [2021-12-06 17:26:32,141 INFO L858 garLoopResultBuilder]: For program point L9210(lines 9210 9212) no Hoare annotation was computed. [2021-12-06 17:26:32,141 INFO L858 garLoopResultBuilder]: For program point L9202(lines 9202 9204) no Hoare annotation was computed. [2021-12-06 17:26:32,141 INFO L858 garLoopResultBuilder]: For program point L9210-2(lines 9210 9212) no Hoare annotation was computed. [2021-12-06 17:26:32,141 INFO L858 garLoopResultBuilder]: For program point L2643-1(line 2643) no Hoare annotation was computed. [2021-12-06 17:26:32,141 INFO L861 garLoopResultBuilder]: At program point L2643(line 2643) the Hoare annotation is: true [2021-12-06 17:26:32,141 INFO L858 garLoopResultBuilder]: For program point L9196(lines 9196 9198) no Hoare annotation was computed. [2021-12-06 17:26:32,141 INFO L858 garLoopResultBuilder]: For program point L9196-2(lines 9196 9198) no Hoare annotation was computed. [2021-12-06 17:26:32,141 INFO L858 garLoopResultBuilder]: For program point L2642(lines 2642 2644) no Hoare annotation was computed. [2021-12-06 17:26:32,141 INFO L858 garLoopResultBuilder]: For program point L2638(lines 2638 2641) no Hoare annotation was computed. [2021-12-06 17:26:32,141 INFO L858 garLoopResultBuilder]: For program point s_update_template_sizeEXIT(lines 9193 9218) no Hoare annotation was computed. [2021-12-06 17:26:32,141 INFO L861 garLoopResultBuilder]: At program point s_update_template_sizeENTRY(lines 9193 9218) the Hoare annotation is: true [2021-12-06 17:26:32,141 INFO L858 garLoopResultBuilder]: For program point s_update_template_sizeFINAL(lines 9193 9218) no Hoare annotation was computed. [2021-12-06 17:26:32,141 INFO L858 garLoopResultBuilder]: For program point aws_allocator_is_validFINAL(lines 6984 6987) no Hoare annotation was computed. [2021-12-06 17:26:32,141 INFO L861 garLoopResultBuilder]: At program point L6986(line 6986) the Hoare annotation is: true [2021-12-06 17:26:32,141 INFO L861 garLoopResultBuilder]: At program point aws_allocator_is_validENTRY(lines 6984 6987) the Hoare annotation is: true [2021-12-06 17:26:32,141 INFO L858 garLoopResultBuilder]: For program point L6986-1(line 6986) no Hoare annotation was computed. [2021-12-06 17:26:32,142 INFO L858 garLoopResultBuilder]: For program point aws_allocator_is_validEXIT(lines 6984 6987) no Hoare annotation was computed. [2021-12-06 17:26:32,142 INFO L861 garLoopResultBuilder]: At program point L9150-1(line 9150) the Hoare annotation is: true [2021-12-06 17:26:32,142 INFO L861 garLoopResultBuilder]: At program point s_hash_keys_eqENTRY(lines 9147 9155) the Hoare annotation is: true [2021-12-06 17:26:32,142 INFO L858 garLoopResultBuilder]: For program point L9150-2(line 9150) no Hoare annotation was computed. [2021-12-06 17:26:32,142 INFO L858 garLoopResultBuilder]: For program point s_hash_keys_eqEXIT(lines 9147 9155) no Hoare annotation was computed. [2021-12-06 17:26:32,142 INFO L861 garLoopResultBuilder]: At program point L9153(line 9153) the Hoare annotation is: true [2021-12-06 17:26:32,142 INFO L861 garLoopResultBuilder]: At program point L9154-1(line 9154) the Hoare annotation is: true [2021-12-06 17:26:32,142 INFO L858 garLoopResultBuilder]: For program point L9153-1(line 9153) no Hoare annotation was computed. [2021-12-06 17:26:32,142 INFO L858 garLoopResultBuilder]: For program point L9154-2(line 9154) no Hoare annotation was computed. [2021-12-06 17:26:32,142 INFO L861 garLoopResultBuilder]: At program point L9154-3(line 9154) the Hoare annotation is: true [2021-12-06 17:26:32,142 INFO L861 garLoopResultBuilder]: At program point L9150(line 9150) the Hoare annotation is: true [2021-12-06 17:26:32,142 INFO L858 garLoopResultBuilder]: For program point L9154-4(lines 9147 9155) no Hoare annotation was computed. [2021-12-06 17:26:32,142 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2021-12-06 17:26:32,142 INFO L858 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2021-12-06 17:26:32,142 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2586 2594) no Hoare annotation was computed. [2021-12-06 17:26:32,142 INFO L854 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2586 2594) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-12-06 17:26:32,143 INFO L854 garLoopResultBuilder]: At program point L2501(lines 2497 2502) the Hoare annotation is: (let ((.cse0 (exists ((|v___CPROVER_overflow_mult_~#c~1.base_81| Int) (v_ArrVal_3301 Int)) (and (= (store |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_81| v_ArrVal_3301) |#valid|) (= (select |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_81|) 0))))) (or (and (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= (* |aws_mul_size_checked_#in~a#1| |aws_mul_size_checked_#in~b#1|) (select (select |#memory_int| |aws_mul_size_checked_#in~r#1.base|) |aws_mul_size_checked_#in~r#1.offset|)) .cse0 (= |aws_mul_size_checked_aws_mul_u64_checked_#res#1| 0)) (not (< 0 |#StackHeapBarrier|)) (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| |aws_mul_size_checked_#in~r#1.base|) (= |aws_mul_size_checked_#in~a#1| |aws_mul_size_checked_aws_mul_u64_checked_~a#1|) (<= (+ |aws_mul_size_checked_aws_mul_u64_checked_#res#1| 1) 0) (= |aws_mul_size_checked_#in~b#1| |aws_mul_size_checked_aws_mul_u64_checked_~b#1|) .cse0 (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| |aws_mul_size_checked_#in~r#1.offset|)))) [2021-12-06 17:26:32,143 INFO L854 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| |aws_mul_size_checked_#in~r#1.base|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |aws_mul_size_checked_#in~a#1| |aws_mul_size_checked_aws_mul_u64_checked_~a#1|) (= |aws_mul_size_checked_#in~b#1| |aws_mul_size_checked_aws_mul_u64_checked_~b#1|) (= |old(#valid)| |#valid|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| |aws_mul_size_checked_#in~r#1.offset|))) [2021-12-06 17:26:32,143 INFO L858 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2021-12-06 17:26:32,143 INFO L854 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: (or (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| |aws_mul_size_checked_#in~r#1.base|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |aws_mul_size_checked_#in~a#1| |aws_mul_size_checked_aws_mul_u64_checked_~a#1|) (= |aws_mul_size_checked_#in~b#1| |aws_mul_size_checked_aws_mul_u64_checked_~b#1|) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_81| Int) (v_ArrVal_3301 Int)) (and (= (store |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_81| v_ArrVal_3301) |#valid|) (= (select |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_81|) 0))) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| |aws_mul_size_checked_#in~r#1.offset|)) (not (< 0 |#StackHeapBarrier|))) [2021-12-06 17:26:32,143 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-12-06 17:26:32,143 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-12-06 17:26:32,143 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-12-06 17:26:32,143 INFO L858 garLoopResultBuilder]: For program point L9115(line 9115) no Hoare annotation was computed. [2021-12-06 17:26:32,143 INFO L861 garLoopResultBuilder]: At program point L9115-1(lines 9100 9116) the Hoare annotation is: true [2021-12-06 17:26:32,143 INFO L858 garLoopResultBuilder]: For program point L9115-2(lines 9100 9116) no Hoare annotation was computed. [2021-12-06 17:26:32,143 INFO L861 garLoopResultBuilder]: At program point L9101(line 9101) the Hoare annotation is: true [2021-12-06 17:26:32,143 INFO L861 garLoopResultBuilder]: At program point L9101-1(line 9101) the Hoare annotation is: true [2021-12-06 17:26:32,143 INFO L858 garLoopResultBuilder]: For program point L9101-2(line 9101) no Hoare annotation was computed. [2021-12-06 17:26:32,143 INFO L861 garLoopResultBuilder]: At program point L7373-1(lines 7369 7374) the Hoare annotation is: true [2021-12-06 17:26:32,143 INFO L858 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2021-12-06 17:26:32,143 INFO L858 garLoopResultBuilder]: For program point L9085(lines 9085 9093) no Hoare annotation was computed. [2021-12-06 17:26:32,143 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2021-12-06 17:26:32,144 INFO L858 garLoopResultBuilder]: For program point L9112(lines 9112 9114) no Hoare annotation was computed. [2021-12-06 17:26:32,144 INFO L861 garLoopResultBuilder]: At program point s_hash_forENTRY(lines 9100 9116) the Hoare annotation is: true [2021-12-06 17:26:32,144 INFO L861 garLoopResultBuilder]: At program point L7370(lines 7370 7372) the Hoare annotation is: true [2021-12-06 17:26:32,144 INFO L858 garLoopResultBuilder]: For program point L9104(lines 9104 9109) no Hoare annotation was computed. [2021-12-06 17:26:32,144 INFO L858 garLoopResultBuilder]: For program point s_hash_forEXIT(lines 9100 9116) no Hoare annotation was computed. [2021-12-06 17:26:32,144 INFO L861 garLoopResultBuilder]: At program point L7370-1(lines 7370 7372) the Hoare annotation is: true [2021-12-06 17:26:32,144 INFO L854 garLoopResultBuilder]: At program point __CPROVER_overflow_plusENTRY(lines 248 251) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-06 17:26:32,144 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusFINAL(lines 248 251) no Hoare annotation was computed. [2021-12-06 17:26:32,144 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2021-12-06 17:26:32,144 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 17:26:32,144 INFO L858 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-12-06 17:26:32,144 INFO L861 garLoopResultBuilder]: At program point L7356-1(lines 7348 7357) the Hoare annotation is: true [2021-12-06 17:26:32,144 INFO L858 garLoopResultBuilder]: For program point L7356(line 7356) no Hoare annotation was computed. [2021-12-06 17:26:32,144 INFO L861 garLoopResultBuilder]: At program point L7350(lines 7350 7352) the Hoare annotation is: true [2021-12-06 17:26:32,144 INFO L861 garLoopResultBuilder]: At program point L7287(lines 7280 7288) the Hoare annotation is: true [2021-12-06 17:26:32,144 INFO L861 garLoopResultBuilder]: At program point L7353(lines 7353 7355) the Hoare annotation is: true [2021-12-06 17:26:32,144 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-12-06 17:26:32,145 INFO L858 garLoopResultBuilder]: For program point L7284(lines 7284 7286) no Hoare annotation was computed. [2021-12-06 17:26:32,145 INFO L861 garLoopResultBuilder]: At program point L7350-1(lines 7350 7352) the Hoare annotation is: true [2021-12-06 17:26:32,145 INFO L861 garLoopResultBuilder]: At program point L7281-1(lines 7281 7283) the Hoare annotation is: true [2021-12-06 17:26:32,145 INFO L861 garLoopResultBuilder]: At program point L7281(lines 7281 7283) the Hoare annotation is: true [2021-12-06 17:26:32,145 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-12-06 17:26:32,145 INFO L861 garLoopResultBuilder]: At program point L262(line 262) the Hoare annotation is: true [2021-12-06 17:26:32,145 INFO L861 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2021-12-06 17:26:32,145 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_createEXIT(lines 9516 9580) no Hoare annotation was computed. [2021-12-06 17:26:32,145 INFO L858 garLoopResultBuilder]: For program point L9533(lines 9533 9539) no Hoare annotation was computed. [2021-12-06 17:26:32,145 INFO L858 garLoopResultBuilder]: For program point L9504(lines 9504 9507) no Hoare annotation was computed. [2021-12-06 17:26:32,145 INFO L858 garLoopResultBuilder]: For program point L9546(lines 9546 9561) no Hoare annotation was computed. [2021-12-06 17:26:32,145 INFO L861 garLoopResultBuilder]: At program point L9571(line 9571) the Hoare annotation is: true [2021-12-06 17:26:32,145 INFO L858 garLoopResultBuilder]: For program point L9571-1(line 9571) no Hoare annotation was computed. [2021-12-06 17:26:32,145 INFO L861 garLoopResultBuilder]: At program point L9513(lines 9484 9514) the Hoare annotation is: true [2021-12-06 17:26:32,145 INFO L858 garLoopResultBuilder]: For program point L9546-2(lines 9546 9561) no Hoare annotation was computed. [2021-12-06 17:26:32,145 INFO L858 garLoopResultBuilder]: For program point L9534-2(lines 9534 9536) no Hoare annotation was computed. [2021-12-06 17:26:32,145 INFO L858 garLoopResultBuilder]: For program point L9534(lines 9534 9536) no Hoare annotation was computed. [2021-12-06 17:26:32,145 INFO L861 garLoopResultBuilder]: At program point L9493(line 9493) the Hoare annotation is: true [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point L9493-1(line 9493) no Hoare annotation was computed. [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point L9493-2(lines 9493 9495) no Hoare annotation was computed. [2021-12-06 17:26:32,146 INFO L861 garLoopResultBuilder]: At program point L9497(line 9497) the Hoare annotation is: true [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point L9497-1(line 9497) no Hoare annotation was computed. [2021-12-06 17:26:32,146 INFO L861 garLoopResultBuilder]: At program point L9489(line 9489) the Hoare annotation is: true [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point L9489-1(line 9489) no Hoare annotation was computed. [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point L9489-2(lines 9489 9491) no Hoare annotation was computed. [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point L9543-2(lines 9543 9545) no Hoare annotation was computed. [2021-12-06 17:26:32,146 INFO L861 garLoopResultBuilder]: At program point L9506(line 9506) the Hoare annotation is: true [2021-12-06 17:26:32,146 INFO L861 garLoopResultBuilder]: At program point L9543(line 9543) the Hoare annotation is: true [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point L9543-1(line 9543) no Hoare annotation was computed. [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point L9502-1(lines 9502 9508) no Hoare annotation was computed. [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point L9531(line 9531) no Hoare annotation was computed. [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point L9502-3(lines 9502 9508) no Hoare annotation was computed. [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point L9498(lines 9498 9500) no Hoare annotation was computed. [2021-12-06 17:26:32,146 INFO L861 garLoopResultBuilder]: At program point L9502-4(lines 9502 9508) the Hoare annotation is: true [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point L9506-1(line 9506) no Hoare annotation was computed. [2021-12-06 17:26:32,146 INFO L861 garLoopResultBuilder]: At program point aws_hash_table_createENTRY(lines 9516 9580) the Hoare annotation is: true [2021-12-06 17:26:32,146 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_createFINAL(lines 9516 9580) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L861 garLoopResultBuilder]: At program point L9527-2(lines 9527 9529) the Hoare annotation is: true [2021-12-06 17:26:32,147 INFO L861 garLoopResultBuilder]: At program point L9523(line 9523) the Hoare annotation is: true [2021-12-06 17:26:32,147 INFO L858 garLoopResultBuilder]: For program point L9523-1(line 9523) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L858 garLoopResultBuilder]: For program point L9502-5(lines 9502 9508) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L858 garLoopResultBuilder]: For program point L9527(lines 9527 9529) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L858 garLoopResultBuilder]: For program point L9548(lines 9548 9551) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L858 garLoopResultBuilder]: For program point L9573(lines 9573 9575) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L858 garLoopResultBuilder]: For program point L9573-2(lines 9573 9575) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L861 garLoopResultBuilder]: At program point L9511(line 9511) the Hoare annotation is: true [2021-12-06 17:26:32,147 INFO L858 garLoopResultBuilder]: For program point L9511-1(line 9511) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L861 garLoopResultBuilder]: At program point hash_table_state_is_validENTRY(lines 10017 10064) the Hoare annotation is: true [2021-12-06 17:26:32,147 INFO L861 garLoopResultBuilder]: At program point L10045(line 10045) the Hoare annotation is: true [2021-12-06 17:26:32,147 INFO L858 garLoopResultBuilder]: For program point L10045-1(line 10045) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L858 garLoopResultBuilder]: For program point hash_table_state_is_validEXIT(lines 10017 10064) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L858 garLoopResultBuilder]: For program point hash_table_state_is_validFINAL(lines 10017 10064) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L858 garLoopResultBuilder]: For program point L10019(lines 10019 10023) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L858 garLoopResultBuilder]: For program point L9131(lines 9131 9139) no Hoare annotation was computed. [2021-12-06 17:26:32,147 INFO L861 garLoopResultBuilder]: At program point s_safe_eq_checkENTRY(lines 9121 9142) the Hoare annotation is: true [2021-12-06 17:26:32,148 INFO L858 garLoopResultBuilder]: For program point L9125(lines 9125 9129) no Hoare annotation was computed. [2021-12-06 17:26:32,148 INFO L861 garLoopResultBuilder]: At program point L9141(line 9141) the Hoare annotation is: true [2021-12-06 17:26:32,148 INFO L858 garLoopResultBuilder]: For program point L9141-1(line 9141) no Hoare annotation was computed. [2021-12-06 17:26:32,148 INFO L858 garLoopResultBuilder]: For program point s_safe_eq_checkFINAL(lines 9121 9142) no Hoare annotation was computed. [2021-12-06 17:26:32,148 INFO L858 garLoopResultBuilder]: For program point s_safe_eq_checkEXIT(lines 9121 9142) no Hoare annotation was computed. [2021-12-06 17:26:32,148 INFO L861 garLoopResultBuilder]: At program point L9173(line 9173) the Hoare annotation is: true [2021-12-06 17:26:32,148 INFO L858 garLoopResultBuilder]: For program point L9173-1(line 9173) no Hoare annotation was computed. [2021-12-06 17:26:32,148 INFO L858 garLoopResultBuilder]: For program point L9173-2(lines 9173 9177) no Hoare annotation was computed. [2021-12-06 17:26:32,148 INFO L861 garLoopResultBuilder]: At program point s_alloc_stateENTRY(lines 9171 9190) the Hoare annotation is: true [2021-12-06 17:26:32,148 INFO L861 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2021-12-06 17:26:32,148 INFO L861 garLoopResultBuilder]: At program point L7020(lines 7001 7021) the Hoare annotation is: true [2021-12-06 17:26:32,148 INFO L858 garLoopResultBuilder]: For program point L7016-1(line 7016) no Hoare annotation was computed. [2021-12-06 17:26:32,148 INFO L861 garLoopResultBuilder]: At program point L7016(line 7016) the Hoare annotation is: true [2021-12-06 17:26:32,148 INFO L858 garLoopResultBuilder]: For program point L7018-1(line 7018) no Hoare annotation was computed. [2021-12-06 17:26:32,148 INFO L861 garLoopResultBuilder]: At program point L7010(line 7010) the Hoare annotation is: true [2021-12-06 17:26:32,148 INFO L858 garLoopResultBuilder]: For program point L7010-2(lines 7010 7014) no Hoare annotation was computed. [2021-12-06 17:26:32,148 INFO L858 garLoopResultBuilder]: For program point s_alloc_stateEXIT(lines 9171 9190) no Hoare annotation was computed. [2021-12-06 17:26:32,148 INFO L858 garLoopResultBuilder]: For program point L7010-1(line 7010) no Hoare annotation was computed. [2021-12-06 17:26:32,148 INFO L861 garLoopResultBuilder]: At program point L7002(line 7002) the Hoare annotation is: true [2021-12-06 17:26:32,149 INFO L858 garLoopResultBuilder]: For program point L7004-1(line 7004) no Hoare annotation was computed. [2021-12-06 17:26:32,149 INFO L861 garLoopResultBuilder]: At program point L7004(line 7004) the Hoare annotation is: true [2021-12-06 17:26:32,149 INFO L858 garLoopResultBuilder]: For program point L9182(lines 9182 9186) no Hoare annotation was computed. [2021-12-06 17:26:32,149 INFO L858 garLoopResultBuilder]: For program point L7002-2(line 7002) no Hoare annotation was computed. [2021-12-06 17:26:32,149 INFO L861 garLoopResultBuilder]: At program point L7002-1(line 7002) the Hoare annotation is: true [2021-12-06 17:26:32,149 INFO L858 garLoopResultBuilder]: For program point L7017-2(lines 7017 7019) no Hoare annotation was computed. [2021-12-06 17:26:32,149 INFO L858 garLoopResultBuilder]: For program point L7017(lines 7017 7019) no Hoare annotation was computed. [2021-12-06 17:26:32,149 INFO L858 garLoopResultBuilder]: For program point s_alloc_stateFINAL(lines 9171 9190) no Hoare annotation was computed. [2021-12-06 17:26:32,149 INFO L861 garLoopResultBuilder]: At program point L9437-1(line 9437) the Hoare annotation is: true [2021-12-06 17:26:32,149 INFO L858 garLoopResultBuilder]: For program point L9437-2(line 9437) no Hoare annotation was computed. [2021-12-06 17:26:32,149 INFO L861 garLoopResultBuilder]: At program point L9437-3(lines 9437 9439) the Hoare annotation is: true [2021-12-06 17:26:32,149 INFO L861 garLoopResultBuilder]: At program point L9478-5(lines 9433 9482) the Hoare annotation is: true [2021-12-06 17:26:32,149 INFO L858 garLoopResultBuilder]: For program point L9478-6(lines 9478 9481) no Hoare annotation was computed. [2021-12-06 17:26:32,149 INFO L861 garLoopResultBuilder]: At program point L9462-2(lines 9448 9476) the Hoare annotation is: true [2021-12-06 17:26:32,149 INFO L858 garLoopResultBuilder]: For program point L9462(lines 9462 9475) no Hoare annotation was computed. [2021-12-06 17:26:32,149 INFO L861 garLoopResultBuilder]: At program point s_emplace_itemENTRY(lines 9430 9482) the Hoare annotation is: true [2021-12-06 17:26:32,149 INFO L858 garLoopResultBuilder]: For program point s_emplace_itemFINAL(lines 9430 9482) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L861 garLoopResultBuilder]: At program point L9434(line 9434) the Hoare annotation is: true [2021-12-06 17:26:32,150 INFO L861 garLoopResultBuilder]: At program point L9434-1(line 9434) the Hoare annotation is: true [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9434-2(line 9434) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9464(lines 9464 9466) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9464-2(lines 9464 9466) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point s_emplace_itemEXIT(lines 9430 9482) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9448-1(lines 9448 9476) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9436(lines 9436 9440) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9436-1(lines 9436 9440) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9478-1(line 9478) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L861 garLoopResultBuilder]: At program point L9478-3(line 9478) the Hoare annotation is: true [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9478-4(line 9478) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9478(line 9478) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9338(lines 9338 9340) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9330(lines 9330 9332) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9338-2(lines 9338 9340) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9388(lines 9388 9396) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9330-2(lines 9330 9332) no Hoare annotation was computed. [2021-12-06 17:26:32,150 INFO L858 garLoopResultBuilder]: For program point L9372(lines 9372 9375) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point s_find_entryFINAL(lines 9321 9346) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point s_find_entryEXIT(lines 9321 9346) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L861 garLoopResultBuilder]: At program point s_find_entryENTRY(lines 9321 9346) the Hoare annotation is: true [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point L9377-4(lines 9377 9380) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point L9402(lines 9402 9404) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point L9377(line 9377) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L861 garLoopResultBuilder]: At program point L9377-1(line 9377) the Hoare annotation is: true [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point L9377-2(line 9377) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L861 garLoopResultBuilder]: At program point L9406(lines 9348 9407) the Hoare annotation is: true [2021-12-06 17:26:32,151 INFO L861 garLoopResultBuilder]: At program point L9365-2(lines 9365 9399) the Hoare annotation is: true [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point L9365-3(lines 9365 9399) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point L9402-2(lines 9402 9404) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point L9337-4(lines 9337 9343) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point L9337(line 9337) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L861 garLoopResultBuilder]: At program point L9337-1(line 9337) the Hoare annotation is: true [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point L9337-2(line 9337) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point L9329(lines 9329 9335) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-06 17:26:32,151 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-06 17:26:32,152 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-06 17:26:32,152 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-06 17:26:32,152 INFO L854 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2021-12-06 17:26:32,152 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-12-06 17:26:32,152 INFO L858 garLoopResultBuilder]: For program point L7385(lines 7385 7387) no Hoare annotation was computed. [2021-12-06 17:26:32,152 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-12-06 17:26:32,152 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6950 6952) no Hoare annotation was computed. [2021-12-06 17:26:32,152 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6950 6952) no Hoare annotation was computed. [2021-12-06 17:26:32,152 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6950 6952) the Hoare annotation is: true [2021-12-06 17:26:32,152 INFO L854 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-06 17:26:32,152 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2021-12-06 17:26:32,152 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2021-12-06 17:26:32,152 INFO L858 garLoopResultBuilder]: For program point aws_is_power_of_twoFINAL(lines 2626 2631) no Hoare annotation was computed. [2021-12-06 17:26:32,152 INFO L858 garLoopResultBuilder]: For program point aws_is_power_of_twoEXIT(lines 2626 2631) no Hoare annotation was computed. [2021-12-06 17:26:32,152 INFO L861 garLoopResultBuilder]: At program point aws_is_power_of_twoENTRY(lines 2626 2631) the Hoare annotation is: true [2021-12-06 17:26:32,152 INFO L854 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: (let ((.cse0 (or (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)))) (or (and (= (select (select |#memory_int| |aws_add_size_checked_#in~r#1.base|) |aws_add_size_checked_#in~r#1.offset|) (+ |aws_add_size_checked_#in~b#1| |aws_add_size_checked_#in~a#1|)) .cse0 (exists ((|v___CPROVER_overflow_mult_~#c~1.base_81| Int) (v_ArrVal_3301 Int)) (and (= (store |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_81| v_ArrVal_3301) |#valid|) (= (select |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_81|) 0)))) (and (<= (+ |aws_add_size_checked_aws_add_u64_checked_#res#1| 1) 0) .cse0) (not (< 0 |#StackHeapBarrier|)))) [2021-12-06 17:26:32,153 INFO L854 garLoopResultBuilder]: At program point aws_add_size_checkedENTRY(lines 2613 2621) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-12-06 17:26:32,153 INFO L854 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |aws_add_size_checked_#in~b#1| |aws_add_size_checked_aws_add_u64_checked_~b#1|) (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |aws_add_size_checked_#in~r#1.base| |aws_add_size_checked_aws_add_u64_checked_~r#1.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |aws_add_size_checked_#in~r#1.offset| |aws_add_size_checked_aws_add_u64_checked_~r#1.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|) (= |aws_add_size_checked_#in~a#1| |aws_add_size_checked_aws_add_u64_checked_~a#1|))) [2021-12-06 17:26:32,153 INFO L858 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2021-12-06 17:26:32,153 INFO L854 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|))) [2021-12-06 17:26:32,153 INFO L858 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2021-12-06 17:26:32,153 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedFINAL(lines 2613 2621) no Hoare annotation was computed. [2021-12-06 17:26:32,153 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2021-12-06 17:26:32,153 INFO L858 garLoopResultBuilder]: For program point L6815-1(line 6815) no Hoare annotation was computed. [2021-12-06 17:26:32,153 INFO L854 garLoopResultBuilder]: At program point L6815(line 6815) the Hoare annotation is: (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|)) (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (= (select |#valid| |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base|) 1) (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|)) [2021-12-06 17:26:32,153 INFO L854 garLoopResultBuilder]: At program point L6811-1(line 6811) the Hoare annotation is: (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|)) [2021-12-06 17:26:32,153 INFO L854 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_ensure_allocated_hash_table_~max_table_entries#1| 4) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|)) [2021-12-06 17:26:32,153 INFO L861 garLoopResultBuilder]: At program point L10176(line 10176) the Hoare annotation is: true [2021-12-06 17:26:32,153 INFO L858 garLoopResultBuilder]: For program point L6815-3(line 6815) no Hoare annotation was computed. [2021-12-06 17:26:32,153 INFO L854 garLoopResultBuilder]: At program point L6815-2(line 6815) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0)) (.cse1 (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|)) (.cse2 (< 0 |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|))) (or (and .cse0 (<= (+ |ULTIMATE.start_ensure_allocated_hash_table_#t~ret550#1| 1) 0) (< 1 |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) .cse1 .cse2 .cse3) (and .cse0 (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|)) (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (= (* 24 |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1|) (+ 29629528 (select (select |#memory_int| |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base|) |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset|))) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (= (select |#valid| |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base|) 1) (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) .cse1 (= |ULTIMATE.start_ensure_allocated_hash_table_#t~ret550#1| 0) .cse2 .cse3))) [2021-12-06 17:26:32,153 INFO L858 garLoopResultBuilder]: For program point L10135-2(line 10135) no Hoare annotation was computed. [2021-12-06 17:26:32,154 INFO L858 garLoopResultBuilder]: For program point L6840-1(line 6840) no Hoare annotation was computed. [2021-12-06 17:26:32,154 INFO L858 garLoopResultBuilder]: For program point L10164(line 10164) no Hoare annotation was computed. [2021-12-06 17:26:32,154 INFO L854 garLoopResultBuilder]: At program point L6840(line 6840) the Hoare annotation is: false [2021-12-06 17:26:32,154 INFO L854 garLoopResultBuilder]: At program point L10164-2(line 10164) the Hoare annotation is: false [2021-12-06 17:26:32,154 INFO L854 garLoopResultBuilder]: At program point L10135(line 10135) the Hoare annotation is: false [2021-12-06 17:26:32,154 INFO L854 garLoopResultBuilder]: At program point L10135-1(line 10135) the Hoare annotation is: false [2021-12-06 17:26:32,154 INFO L854 garLoopResultBuilder]: At program point L10156-1(lines 10156 10157) the Hoare annotation is: false [2021-12-06 17:26:32,154 INFO L858 garLoopResultBuilder]: For program point L10164-3(line 10164) no Hoare annotation was computed. [2021-12-06 17:26:32,154 INFO L858 garLoopResultBuilder]: For program point L10160(lines 10160 10174) no Hoare annotation was computed. [2021-12-06 17:26:32,154 INFO L858 garLoopResultBuilder]: For program point L10160-1(lines 10160 10174) no Hoare annotation was computed. [2021-12-06 17:26:32,154 INFO L854 garLoopResultBuilder]: At program point L10173(line 10173) the Hoare annotation is: false [2021-12-06 17:26:32,154 INFO L858 garLoopResultBuilder]: For program point L6816-1(line 6816) no Hoare annotation was computed. [2021-12-06 17:26:32,154 INFO L858 garLoopResultBuilder]: For program point L10173-1(line 10173) no Hoare annotation was computed. [2021-12-06 17:26:32,154 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 17:26:32,154 INFO L854 garLoopResultBuilder]: At program point L6816(line 6816) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base|))) (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|)) (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset| 0) (= (select .cse0 0) |ULTIMATE.start_ensure_allocated_hash_table_#t~mem551#1|) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (= (* 24 |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1|) (+ 29629528 (select .cse0 |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset|))) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (= (select |#valid| |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base|) 1) (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|))) [2021-12-06 17:26:32,154 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 17:26:32,154 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 17:26:32,154 INFO L858 garLoopResultBuilder]: For program point L6812-1(line 6812) no Hoare annotation was computed. [2021-12-06 17:26:32,155 INFO L854 garLoopResultBuilder]: At program point L6812(line 6812) the Hoare annotation is: (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (or (= |ULTIMATE.start_ensure_allocated_hash_table_#t~ret549#1| 0) (= |ULTIMATE.start_ensure_allocated_hash_table_#t~ret549#1| 1)) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|)) [2021-12-06 17:26:32,155 INFO L858 garLoopResultBuilder]: For program point L10132(lines 10132 10175) no Hoare annotation was computed. [2021-12-06 17:26:32,155 INFO L858 garLoopResultBuilder]: For program point L6841-1(line 6841) no Hoare annotation was computed. [2021-12-06 17:26:32,155 INFO L854 garLoopResultBuilder]: At program point L6841(line 6841) the Hoare annotation is: false [2021-12-06 17:26:32,155 INFO L854 garLoopResultBuilder]: At program point L6833(lines 6831 6834) the Hoare annotation is: false [2021-12-06 17:26:32,155 INFO L858 garLoopResultBuilder]: For program point L10161(lines 10161 10167) no Hoare annotation was computed. [2021-12-06 17:26:32,155 INFO L858 garLoopResultBuilder]: For program point L10161-2(lines 10160 10172) no Hoare annotation was computed. [2021-12-06 17:26:32,155 INFO L854 garLoopResultBuilder]: At program point L10141(line 10141) the Hoare annotation is: false [2021-12-06 17:26:32,155 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 17:26:32,155 INFO L858 garLoopResultBuilder]: For program point L10141-1(line 10141) no Hoare annotation was computed. [2021-12-06 17:26:32,155 INFO L854 garLoopResultBuilder]: At program point L10170(line 10170) the Hoare annotation is: false [2021-12-06 17:26:32,155 INFO L858 garLoopResultBuilder]: For program point L6809(lines 6809 6819) no Hoare annotation was computed. [2021-12-06 17:26:32,155 INFO L854 garLoopResultBuilder]: At program point L10162(line 10162) the Hoare annotation is: false [2021-12-06 17:26:32,155 INFO L854 garLoopResultBuilder]: At program point L10170-1(line 10170) the Hoare annotation is: false [2021-12-06 17:26:32,155 INFO L858 garLoopResultBuilder]: For program point L10170-2(line 10170) no Hoare annotation was computed. [2021-12-06 17:26:32,155 INFO L858 garLoopResultBuilder]: For program point L10154(lines 10154 10155) no Hoare annotation was computed. [2021-12-06 17:26:32,155 INFO L858 garLoopResultBuilder]: For program point L10162-1(line 10162) no Hoare annotation was computed. [2021-12-06 17:26:32,155 INFO L858 garLoopResultBuilder]: For program point L10154-2(lines 10154 10158) no Hoare annotation was computed. [2021-12-06 17:26:32,155 INFO L858 garLoopResultBuilder]: For program point L10154-3(lines 10154 10158) no Hoare annotation was computed. [2021-12-06 17:26:32,156 INFO L854 garLoopResultBuilder]: At program point L10138(line 10138) the Hoare annotation is: false [2021-12-06 17:26:32,156 INFO L854 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_ensure_allocated_hash_table_~max_table_entries#1| 4) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|)) [2021-12-06 17:26:32,156 INFO L854 garLoopResultBuilder]: At program point L6843(lines 6837 6844) the Hoare annotation is: false [2021-12-06 17:26:32,156 INFO L858 garLoopResultBuilder]: For program point L6839-1(line 6839) no Hoare annotation was computed. [2021-12-06 17:26:32,156 INFO L854 garLoopResultBuilder]: At program point L6839(line 6839) the Hoare annotation is: false [2021-12-06 17:26:32,156 INFO L858 garLoopResultBuilder]: For program point L6810-1(line 6810) no Hoare annotation was computed. [2021-12-06 17:26:32,156 INFO L858 garLoopResultBuilder]: For program point L10138-1(line 10138) no Hoare annotation was computed. [2021-12-06 17:26:32,156 INFO L858 garLoopResultBuilder]: For program point L10159-2(line 10159) no Hoare annotation was computed. [2021-12-06 17:26:32,156 INFO L854 garLoopResultBuilder]: At program point L10159(line 10159) the Hoare annotation is: false [2021-12-06 17:26:32,156 INFO L854 garLoopResultBuilder]: At program point L10159-1(line 10159) the Hoare annotation is: false [2021-12-06 17:26:32,156 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-06 17:26:32,156 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-06 17:26:32,156 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-06 17:26:32,156 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-06 17:26:32,156 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-06 17:26:32,156 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-06 17:26:32,159 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:32,159 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:26:32,167 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] [2021-12-06 17:26:32,168 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,168 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,168 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,169 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,169 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] [2021-12-06 17:26:32,169 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,169 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,172 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] [2021-12-06 17:26:32,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,173 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,173 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,173 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,173 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] [2021-12-06 17:26:32,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,176 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] [2021-12-06 17:26:32,176 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,176 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,176 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] [2021-12-06 17:26:32,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:26:32 BoogieIcfgContainer [2021-12-06 17:26:32,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:26:32,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:26:32,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:26:32,181 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:26:32,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:20:03" (3/4) ... [2021-12-06 17:26:32,183 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure uninterpreted_equals [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_uninterpreted_equals [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_uninterpreted_hasher [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_is_valid [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_required_bytes [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_calloc [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_update_template_size [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_allocator_is_valid [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_hash_keys_eq [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_hash_for [2021-12-06 17:26:32,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_create [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_is_valid [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_safe_eq_check [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_alloc_state [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_emplace_item [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_find_entry [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_power_of_two [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2021-12-06 17:26:32,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-06 17:26:32,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 256 nodes and edges [2021-12-06 17:26:32,210 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2021-12-06 17:26:32,212 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2021-12-06 17:26:32,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-12-06 17:26:32,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-12-06 17:26:32,218 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-06 17:26:32,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 17:26:32,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 17:26:32,245 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tl_last_error == \old(tl_last_error) && \old(a) * \old(b) == unknown-#memory_int-unknown[r][r]) && (\exists v___CPROVER_overflow_mult_~#c~1.base_81 : int, v_ArrVal_3301 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_81 := v_ArrVal_3301] == \valid && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_81] == 0)) && \result == 0) || !(0 < unknown-#StackHeapBarrier-unknown)) || (((((((((\old(unknown-#memory_real-unknown) == unknown-#memory_real-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && r == r) && \old(a) == a) && \result + 1 <= 0) && \old(b) == b) && (\exists v___CPROVER_overflow_mult_~#c~1.base_81 : int, v_ArrVal_3301 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_81 := v_ArrVal_3301] == \valid && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_81] == 0)) && r == r) [2021-12-06 17:26:32,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-#memory_int-unknown[r][r] == \old(b) + \old(a) && ((((\old(unknown-#memory_real-unknown) == unknown-#memory_real-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || tl_last_error == \old(tl_last_error))) && (\exists v___CPROVER_overflow_mult_~#c~1.base_81 : int, v_ArrVal_3301 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_81 := v_ArrVal_3301] == \valid && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_81] == 0)) || (\result + 1 <= 0 && ((((\old(unknown-#memory_real-unknown) == unknown-#memory_real-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || tl_last_error == \old(tl_last_error)))) || !(0 < unknown-#StackHeapBarrier-unknown) [2021-12-06 17:26:32,918 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 17:26:32,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:26:32,919 INFO L158 Benchmark]: Toolchain (without parser) took 393303.05ms. Allocated memory was 96.5MB in the beginning and 274.7MB in the end (delta: 178.3MB). Free memory was 66.0MB in the beginning and 106.3MB in the end (delta: -40.3MB). Peak memory consumption was 213.4MB. Max. memory is 16.1GB. [2021-12-06 17:26:32,919 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:26:32,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2386.47ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 65.6MB in the beginning and 41.9MB in the end (delta: 23.7MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2021-12-06 17:26:32,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.24ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 41.9MB in the beginning and 82.6MB in the end (delta: -40.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 17:26:32,920 INFO L158 Benchmark]: Boogie Preprocessor took 90.95ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 72.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 17:26:32,920 INFO L158 Benchmark]: RCFGBuilder took 1485.07ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 72.1MB in the beginning and 84.3MB in the end (delta: -12.2MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2021-12-06 17:26:32,920 INFO L158 Benchmark]: TraceAbstraction took 388416.69ms. Allocated memory was 172.0MB in the beginning and 274.7MB in the end (delta: 102.8MB). Free memory was 83.3MB in the beginning and 79.0MB in the end (delta: 4.3MB). Peak memory consumption was 151.6MB. Max. memory is 16.1GB. [2021-12-06 17:26:32,920 INFO L158 Benchmark]: Witness Printer took 737.67ms. Allocated memory is still 274.7MB. Free memory was 79.0MB in the beginning and 106.3MB in the end (delta: -27.3MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2021-12-06 17:26:32,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2386.47ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 65.6MB in the beginning and 41.9MB in the end (delta: 23.7MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.24ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 41.9MB in the beginning and 82.6MB in the end (delta: -40.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.95ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 72.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1485.07ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 72.1MB in the beginning and 84.3MB in the end (delta: -12.2MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * TraceAbstraction took 388416.69ms. Allocated memory was 172.0MB in the beginning and 274.7MB in the end (delta: 102.8MB). Free memory was 83.3MB in the beginning and 79.0MB in the end (delta: 4.3MB). Peak memory consumption was 151.6MB. Max. memory is 16.1GB. * Witness Printer took 737.67ms. Allocated memory is still 274.7MB. Free memory was 79.0MB in the beginning and 106.3MB in the end (delta: -27.3MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 349 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 388.3s, OverallIterations: 20, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6489 SdHoareTripleChecker+Valid, 31.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5785 mSDsluCounter, 44078 SdHoareTripleChecker+Invalid, 29.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3731 IncrementalHoareTripleChecker+Unchecked, 35798 mSDsCounter, 3352 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22201 IncrementalHoareTripleChecker+Invalid, 29284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3352 mSolverCounterUnsat, 8280 mSDtfsCounter, 22201 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2512 GetRequests, 2206 SyntacticMatches, 9 SemanticMatches, 297 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1246 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=532occurred in iteration=19, InterpolantAutomatonStates: 238, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 20 MinimizatonAttempts, 1782 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 134 LocationsWithAnnotation, 3537 PreInvPairs, 3576 NumberOfFragments, 956 HoareAnnotationTreeSize, 3537 FomulaSimplifications, 121984 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 134 FomulaSimplificationsInter, 2949 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 326.9s SatisfiabilityAnalysisTime, 20.8s InterpolantComputationTime, 3877 NumberOfCodeBlocks, 3877 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3907 ConstructedInterpolants, 51 QuantifiedInterpolants, 8336 SizeOfPredicates, 77 NumberOfNonLiveVariables, 21500 ConjunctsInSsa, 542 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 4497/4558 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6934]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9502]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7348]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9365]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9154]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2637]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7280]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9348]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2497]: Loop Invariant [2021-12-06 17:26:32,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] [2021-12-06 17:26:32,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,927 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,927 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,927 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,927 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] [2021-12-06 17:26:32,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] [2021-12-06 17:26:32,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,929 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,929 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,929 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,929 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] [2021-12-06 17:26:32,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] Derived loop invariant: ((((tl_last_error == \old(tl_last_error) && \old(a) * \old(b) == unknown-#memory_int-unknown[r][r]) && (\exists v___CPROVER_overflow_mult_~#c~1.base_81 : int, v_ArrVal_3301 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_81 := v_ArrVal_3301] == \valid && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_81] == 0)) && \result == 0) || !(0 < unknown-#StackHeapBarrier-unknown)) || (((((((((\old(unknown-#memory_real-unknown) == unknown-#memory_real-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && r == r) && \old(a) == a) && \result + 1 <= 0) && \old(b) == b) && (\exists v___CPROVER_overflow_mult_~#c~1.base_81 : int, v_ArrVal_3301 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_81 := v_ArrVal_3301] == \valid && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_81] == 0)) && r == r) - InvariantResult [Line: 2541]: Loop Invariant [2021-12-06 17:26:32,930 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,930 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,930 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,930 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] [2021-12-06 17:26:32,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,931 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,931 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,931 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,931 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,931 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,931 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,932 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,932 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_3301,QUANTIFIED] [2021-12-06 17:26:32,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_81,QUANTIFIED] [2021-12-06 17:26:32,932 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,932 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-06 17:26:32,932 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-06 17:26:32,932 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((unknown-#memory_int-unknown[r][r] == \old(b) + \old(a) && ((((\old(unknown-#memory_real-unknown) == unknown-#memory_real-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || tl_last_error == \old(tl_last_error))) && (\exists v___CPROVER_overflow_mult_~#c~1.base_81 : int, v_ArrVal_3301 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_81 := v_ArrVal_3301] == \valid && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_81] == 0)) || (\result + 1 <= 0 && ((((\old(unknown-#memory_real-unknown) == unknown-#memory_real-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || tl_last_error == \old(tl_last_error)))) || !(0 < unknown-#StackHeapBarrier-unknown) - InvariantResult [Line: 7001]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9437]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 17:26:33,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72546f53-9616-485d-a95a-e0f0f5a6fbb8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE