./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/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_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF --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 0.2.1-dev-53f42b1 [2021-11-20 07:19:56,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:19:56,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:19:56,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:19:56,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:19:56,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:19:56,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:19:56,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:19:56,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:19:56,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:19:56,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:19:56,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:19:56,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:19:56,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:19:56,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:19:56,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:19:56,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:19:56,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:19:56,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:19:56,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:19:56,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:19:56,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:19:56,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:19:56,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:19:56,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:19:56,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:19:56,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:19:56,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:19:56,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:19:56,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:19:56,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:19:56,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:19:56,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:19:56,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:19:56,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:19:56,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:19:56,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:19:56,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:19:56,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:19:56,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:19:56,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:19:56,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:19:56,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:19:56,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:19:56,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:19:56,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:19:56,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:19:56,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:19:56,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:19:56,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:19:56,738 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:19:56,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:19:56,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:19:56,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:19:56,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:19:56,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:19:56,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:19:56,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:19:56,742 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:19:56,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:19:56,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:19:56,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:19:56,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:19:56,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:19:56,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:19:56,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:19:56,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:19:56,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:19:56,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:19:56,745 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:19:56,745 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:19:56,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:19:56,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:19:56,746 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_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a871e941a14cf19147765419aa3746af2f9add859ed1f61f31f704f97208fdb0 [2021-11-20 07:19:57,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:19:57,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:19:57,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:19:57,218 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:19:57,220 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:19:57,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2021-11-20 07:19:57,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/data/106412b90/10580bdf3bba4e2bb7c9f65740315716/FLAG13a83869e [2021-11-20 07:19:58,406 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:19:58,407 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2021-11-20 07:19:58,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/data/106412b90/10580bdf3bba4e2bb7c9f65740315716/FLAG13a83869e [2021-11-20 07:19:58,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/data/106412b90/10580bdf3bba4e2bb7c9f65740315716 [2021-11-20 07:19:58,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:19:58,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:19:58,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:19:58,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:19:58,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:19:58,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:19:58" (1/1) ... [2021-11-20 07:19:58,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0dc7fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:19:58, skipping insertion in model container [2021-11-20 07:19:58,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:19:58" (1/1) ... [2021-11-20 07:19:58,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:19:58,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:19:59,220 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_5c025425-10e9-41d7-86ea-01d7e8d05fb4/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4495,4508] [2021-11-20 07:19:59,228 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_5c025425-10e9-41d7-86ea-01d7e8d05fb4/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4555,4568] [2021-11-20 07:20:00,508 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:00,509 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:00,513 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:00,514 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:00,519 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:00,531 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:00,532 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:00,534 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:00,535 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:00,536 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:00,537 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:00,538 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:00,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,211 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 07:20:01,212 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 07:20:01,214 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 07:20:01,215 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 07:20:01,216 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 07:20:01,217 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 07:20:01,218 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 07:20:01,219 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 07:20:01,220 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 07:20:01,220 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 07:20:01,466 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 07:20:01,873 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,874 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,901 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,909 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,910 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,928 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,929 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,930 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,931 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,931 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,932 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,932 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:01,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:20:02,014 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:20:02,038 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_5c025425-10e9-41d7-86ea-01d7e8d05fb4/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4495,4508] [2021-11-20 07:20:02,038 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_5c025425-10e9-41d7-86ea-01d7e8d05fb4/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4555,4568] [2021-11-20 07:20:02,144 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,146 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,147 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,148 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,150 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,165 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,165 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,167 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,167 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,170 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,171 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,171 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,171 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,232 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 07:20:02,233 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 07:20:02,235 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 07:20:02,237 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 07:20:02,239 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 07:20:02,239 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 07:20:02,240 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 07:20:02,240 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 07:20:02,241 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 07:20:02,242 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 07:20:02,286 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 07:20:02,452 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,453 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,461 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,462 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,466 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,466 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,481 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,482 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,482 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,483 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,483 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,484 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,484 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 07:20:02,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:20:02,773 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:20:02,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:02 WrapperNode [2021-11-20 07:20:02,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:20:02,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:20:02,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:20:02,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:20:02,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:02" (1/1) ... [2021-11-20 07:20:02,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:02" (1/1) ... [2021-11-20 07:20:03,050 INFO L137 Inliner]: procedures = 775, calls = 2489, calls flagged for inlining = 67, calls inlined = 21, statements flattened = 1294 [2021-11-20 07:20:03,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:20:03,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:20:03,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:20:03,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:20:03,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:02" (1/1) ... [2021-11-20 07:20:03,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:02" (1/1) ... [2021-11-20 07:20:03,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:02" (1/1) ... [2021-11-20 07:20:03,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:02" (1/1) ... [2021-11-20 07:20:03,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:02" (1/1) ... [2021-11-20 07:20:03,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:02" (1/1) ... [2021-11-20 07:20:03,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:02" (1/1) ... [2021-11-20 07:20:03,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:20:03,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:20:03,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:20:03,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:20:03,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:02" (1/1) ... [2021-11-20 07:20:03,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:20:03,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:20:03,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:20:03,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:20:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 07:20:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-20 07:20:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-20 07:20:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:20:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-20 07:20:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-20 07:20:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 07:20:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 07:20:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_create [2021-11-20 07:20:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_create [2021-11-20 07:20:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-11-20 07:20:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-11-20 07:20:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:20:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:20:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:20:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2021-11-20 07:20:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2021-11-20 07:20:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:20:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:20:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-20 07:20:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-20 07:20:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-20 07:20:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-20 07:20:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-11-20 07:20:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-11-20 07:20:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:20:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-20 07:20:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-20 07:20:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:20:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-20 07:20:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-20 07:20:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:20:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2021-11-20 07:20:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2021-11-20 07:20:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-11-20 07:20:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-11-20 07:20:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2021-11-20 07:20:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2021-11-20 07:20:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2021-11-20 07:20:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2021-11-20 07:20:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2021-11-20 07:20:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2021-11-20 07:20:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:20:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-11-20 07:20:03,407 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-11-20 07:20:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 07:20:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2021-11-20 07:20:03,408 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2021-11-20 07:20:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 07:20:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-11-20 07:20:03,409 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-11-20 07:20:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2021-11-20 07:20:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2021-11-20 07:20:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2021-11-20 07:20:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2021-11-20 07:20:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2021-11-20 07:20:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2021-11-20 07:20:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 07:20:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 07:20:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-11-20 07:20:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-11-20 07:20:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:20:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-20 07:20:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-20 07:20:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-20 07:20:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-20 07:20:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-20 07:20:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-20 07:20:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2021-11-20 07:20:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2021-11-20 07:20:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2021-11-20 07:20:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2021-11-20 07:20:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:20:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:20:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:20:03,951 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:20:03,954 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:20:04,297 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-11-20 07:20:04,350 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2021-11-20 07:20:05,215 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume !true; [2021-11-20 07:20:05,216 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !true; [2021-11-20 07:20:05,979 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:20:06,000 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:20:06,001 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-20 07:20:06,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:20:06 BoogieIcfgContainer [2021-11-20 07:20:06,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:20:06,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:20:06,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:20:06,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:20:06,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:19:58" (1/3) ... [2021-11-20 07:20:06,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e06ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:20:06, skipping insertion in model container [2021-11-20 07:20:06,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:02" (2/3) ... [2021-11-20 07:20:06,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e06ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:20:06, skipping insertion in model container [2021-11-20 07:20:06,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:20:06" (3/3) ... [2021-11-20 07:20:06,015 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_create_harness.i [2021-11-20 07:20:06,021 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:20:06,021 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:20:06,088 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:20:06,103 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 [2021-11-20 07:20:06,108 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:20:06,142 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) [2021-11-20 07:20:06,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 07:20:06,160 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:06,160 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] [2021-11-20 07:20:06,161 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:06,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:06,166 INFO L85 PathProgramCache]: Analyzing trace with hash -322226588, now seen corresponding path program 1 times [2021-11-20 07:20:06,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:06,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430849799] [2021-11-20 07:20:06,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:06,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:06,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:20:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:06,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:20:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:20:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:20:06,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:06,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430849799] [2021-11-20 07:20:06,988 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-20 07:20:06,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119552666] [2021-11-20 07:20:06,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:06,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:20:06,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:20:06,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:20:07,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:20:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:07,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 07:20:07,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:20:07,968 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-20 07:20:07,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:20:07,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119552666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:07,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:07,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:20:07,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076985319] [2021-11-20 07:20:07,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:07,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:20:07,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:08,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:20:08,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:20:08,017 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) [2021-11-20 07:20:08,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:08,157 INFO L93 Difference]: Finished difference Result 692 states and 983 transitions. [2021-11-20 07:20:08,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:20:08,160 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 [2021-11-20 07:20:08,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:08,190 INFO L225 Difference]: With dead ends: 692 [2021-11-20 07:20:08,190 INFO L226 Difference]: Without dead ends: 341 [2021-11-20 07:20:08,202 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 [2021-11-20 07:20:08,212 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 [2021-11-20 07:20:08,217 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] [2021-11-20 07:20:08,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-11-20 07:20:08,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2021-11-20 07:20:08,342 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) [2021-11-20 07:20:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 451 transitions. [2021-11-20 07:20:08,357 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 451 transitions. Word has length 124 [2021-11-20 07:20:08,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:08,358 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 451 transitions. [2021-11-20 07:20:08,359 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) [2021-11-20 07:20:08,359 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 451 transitions. [2021-11-20 07:20:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 07:20:08,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:08,373 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] [2021-11-20 07:20:08,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:20:08,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:20:08,593 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:08,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:08,594 INFO L85 PathProgramCache]: Analyzing trace with hash -672164438, now seen corresponding path program 1 times [2021-11-20 07:20:08,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:08,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937472735] [2021-11-20 07:20:08,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:08,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:08,690 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:20:08,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119010051] [2021-11-20 07:20:08,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:08,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:20:08,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:20:08,694 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:20:08,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:20:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 07:20:09,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:20:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-20 07:20:09,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:20:09,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:09,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937472735] [2021-11-20 07:20:09,655 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:20:09,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119010051] [2021-11-20 07:20:09,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119010051] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:09,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:09,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:20:09,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048109375] [2021-11-20 07:20:09,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:09,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:20:09,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:09,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:20:09,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:20:09,660 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) [2021-11-20 07:20:10,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:10,188 INFO L93 Difference]: Finished difference Result 668 states and 883 transitions. [2021-11-20 07:20:10,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:20:10,189 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 [2021-11-20 07:20:10,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:10,193 INFO L225 Difference]: With dead ends: 668 [2021-11-20 07:20:10,193 INFO L226 Difference]: Without dead ends: 341 [2021-11-20 07:20:10,194 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 [2021-11-20 07:20:10,196 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 465 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:20:10,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 1188 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 07:20:10,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-11-20 07:20:10,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2021-11-20 07:20:10,217 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) [2021-11-20 07:20:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 450 transitions. [2021-11-20 07:20:10,221 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 450 transitions. Word has length 124 [2021-11-20 07:20:10,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:10,222 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 450 transitions. [2021-11-20 07:20:10,223 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) [2021-11-20 07:20:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 450 transitions. [2021-11-20 07:20:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 07:20:10,225 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:10,225 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] [2021-11-20 07:20:10,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:20:10,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:20:10,445 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:10,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:10,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1014015400, now seen corresponding path program 1 times [2021-11-20 07:20:10,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:10,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489341601] [2021-11-20 07:20:10,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:10,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:10,521 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:20:10,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2024034164] [2021-11-20 07:20:10,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:10,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:20:10,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:20:10,523 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:20:10,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:20:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:11,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 2306 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:20:11,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:20:11,275 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-11-20 07:20:11,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:20:11,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:11,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489341601] [2021-11-20 07:20:11,276 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:20:11,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024034164] [2021-11-20 07:20:11,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024034164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:11,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:11,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:20:11,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125927152] [2021-11-20 07:20:11,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:11,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:20:11,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:11,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:20:11,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:20:11,280 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) [2021-11-20 07:20:11,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:11,339 INFO L93 Difference]: Finished difference Result 678 states and 899 transitions. [2021-11-20 07:20:11,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:20:11,340 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 [2021-11-20 07:20:11,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:11,345 INFO L225 Difference]: With dead ends: 678 [2021-11-20 07:20:11,345 INFO L226 Difference]: Without dead ends: 346 [2021-11-20 07:20:11,347 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 [2021-11-20 07:20:11,348 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 [2021-11-20 07:20:11,349 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] [2021-11-20 07:20:11,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-11-20 07:20:11,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2021-11-20 07:20:11,372 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) [2021-11-20 07:20:11,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 458 transitions. [2021-11-20 07:20:11,376 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 458 transitions. Word has length 124 [2021-11-20 07:20:11,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:11,377 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 458 transitions. [2021-11-20 07:20:11,377 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) [2021-11-20 07:20:11,378 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 458 transitions. [2021-11-20 07:20:11,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-20 07:20:11,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:11,380 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] [2021-11-20 07:20:11,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:20:11,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:20:11,600 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:11,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:11,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2006309942, now seen corresponding path program 1 times [2021-11-20 07:20:11,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:11,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97951106] [2021-11-20 07:20:11,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:11,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:20:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:20:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:11,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:20:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:20:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:20:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:20:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:20:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:20:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:20:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:20:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:20:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:20:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:20:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-20 07:20:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:20:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-20 07:20:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-20 07:20:12,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:12,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97951106] [2021-11-20 07:20:12,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97951106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:12,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:12,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-20 07:20:12,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996214698] [2021-11-20 07:20:12,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:12,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 07:20:12,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:12,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 07:20:12,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:20:12,418 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) [2021-11-20 07:20:17,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:17,403 INFO L93 Difference]: Finished difference Result 754 states and 1012 transitions. [2021-11-20 07:20:17,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 07:20:17,404 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 [2021-11-20 07:20:17,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:17,409 INFO L225 Difference]: With dead ends: 754 [2021-11-20 07:20:17,410 INFO L226 Difference]: Without dead ends: 429 [2021-11-20 07:20:17,412 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 [2021-11-20 07:20:17,413 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 284 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:20:17,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 2144 Invalid, 2233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 2093 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-11-20 07:20:17,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-11-20 07:20:17,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 349. [2021-11-20 07:20:17,443 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) [2021-11-20 07:20:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 461 transitions. [2021-11-20 07:20:17,446 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 461 transitions. Word has length 130 [2021-11-20 07:20:17,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:17,447 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 461 transitions. [2021-11-20 07:20:17,448 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) [2021-11-20 07:20:17,448 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 461 transitions. [2021-11-20 07:20:17,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-20 07:20:17,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:17,450 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] [2021-11-20 07:20:17,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:20:17,450 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:17,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:17,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1092762838, now seen corresponding path program 1 times [2021-11-20 07:20:17,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:17,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282406791] [2021-11-20 07:20:17,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:17,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:20:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:20:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:20:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:20:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:20:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:20:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:20:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:20:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:20:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:20:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:20:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:20:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 07:20:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:20:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 07:20:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-20 07:20:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:20:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-20 07:20:18,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:18,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282406791] [2021-11-20 07:20:18,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282406791] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:20:18,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819233490] [2021-11-20 07:20:18,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:18,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:20:18,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:20:18,017 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:20:18,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:20:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:18,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 2346 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-20 07:20:18,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:20:20,150 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 [2021-11-20 07:20:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-20 07:20:29,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:20:29,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819233490] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:29,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:20:29,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2021-11-20 07:20:29,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924028967] [2021-11-20 07:20:29,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:29,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:20:29,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:29,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:20:29,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=175, Unknown=3, NotChecked=26, Total=240 [2021-11-20 07:20:29,508 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) [2021-11-20 07:20:30,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:30,443 INFO L93 Difference]: Finished difference Result 681 states and 900 transitions. [2021-11-20 07:20:30,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:20:30,449 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 [2021-11-20 07:20:30,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:30,452 INFO L225 Difference]: With dead ends: 681 [2021-11-20 07:20:30,453 INFO L226 Difference]: Without dead ends: 351 [2021-11-20 07:20:30,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=51, Invalid=222, Unknown=3, NotChecked=30, Total=306 [2021-11-20 07:20:30,455 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 [2021-11-20 07:20:30,456 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] [2021-11-20 07:20:30,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-20 07:20:30,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-20 07:20:30,478 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) [2021-11-20 07:20:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 463 transitions. [2021-11-20 07:20:30,482 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 463 transitions. Word has length 136 [2021-11-20 07:20:30,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:30,482 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 463 transitions. [2021-11-20 07:20:30,483 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) [2021-11-20 07:20:30,483 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 463 transitions. [2021-11-20 07:20:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-20 07:20:30,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:30,486 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] [2021-11-20 07:20:30,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:20:30,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:20:30,697 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:30,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:30,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1043141135, now seen corresponding path program 1 times [2021-11-20 07:20:30,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:30,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100954517] [2021-11-20 07:20:30,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:30,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:30,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:20:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:20:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:20:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:20:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:20:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:20:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:20:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:20:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:20:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:20:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:20:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:20:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:20:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:20:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:20:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:20:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 07:20:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-20 07:20:31,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:31,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100954517] [2021-11-20 07:20:31,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100954517] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:31,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:31,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:20:31,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893129224] [2021-11-20 07:20:31,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:31,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:20:31,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:31,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:20:31,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:20:31,326 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) [2021-11-20 07:20:33,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:33,835 INFO L93 Difference]: Finished difference Result 739 states and 993 transitions. [2021-11-20 07:20:33,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:20:33,836 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 [2021-11-20 07:20:33,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:33,841 INFO L225 Difference]: With dead ends: 739 [2021-11-20 07:20:33,841 INFO L226 Difference]: Without dead ends: 433 [2021-11-20 07:20:33,843 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 [2021-11-20 07:20:33,844 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 470 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:20:33,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [524 Valid, 1779 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 07:20:33,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2021-11-20 07:20:33,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 353. [2021-11-20 07:20:33,892 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) [2021-11-20 07:20:33,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 469 transitions. [2021-11-20 07:20:33,896 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 469 transitions. Word has length 141 [2021-11-20 07:20:33,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:33,897 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 469 transitions. [2021-11-20 07:20:33,898 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) [2021-11-20 07:20:33,898 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 469 transitions. [2021-11-20 07:20:33,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-20 07:20:33,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:33,901 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] [2021-11-20 07:20:33,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:20:33,902 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:33,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:33,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1171893452, now seen corresponding path program 1 times [2021-11-20 07:20:33,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:33,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345196214] [2021-11-20 07:20:33,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:33,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:20:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:20:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:20:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:20:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:20:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:20:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:20:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:20:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:20:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:20:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:20:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:20:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:20:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:20:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:20:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:20:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-20 07:20:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-20 07:20:34,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:34,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345196214] [2021-11-20 07:20:34,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345196214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:34,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:34,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:20:34,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710411110] [2021-11-20 07:20:34,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:34,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:20:34,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:34,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:20:34,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:20:34,725 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) [2021-11-20 07:20:37,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:37,332 INFO L93 Difference]: Finished difference Result 441 states and 597 transitions. [2021-11-20 07:20:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:20:37,333 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 [2021-11-20 07:20:37,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:37,338 INFO L225 Difference]: With dead ends: 441 [2021-11-20 07:20:37,338 INFO L226 Difference]: Without dead ends: 439 [2021-11-20 07:20:37,339 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 [2021-11-20 07:20:37,340 INFO L933 BasicCegarLoop]: 419 mSDtfsCounter, 489 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:20:37,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [534 Valid, 1537 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 07:20:37,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-11-20 07:20:37,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 357. [2021-11-20 07:20:37,382 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) [2021-11-20 07:20:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 472 transitions. [2021-11-20 07:20:37,386 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 472 transitions. Word has length 146 [2021-11-20 07:20:37,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:37,388 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 472 transitions. [2021-11-20 07:20:37,389 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) [2021-11-20 07:20:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 472 transitions. [2021-11-20 07:20:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-20 07:20:37,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:37,392 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] [2021-11-20 07:20:37,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:20:37,393 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:37,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:37,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1112780077, now seen corresponding path program 1 times [2021-11-20 07:20:37,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:37,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396928928] [2021-11-20 07:20:37,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:37,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:37,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:20:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:37,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:20:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:37,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:20:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:20:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:37,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:20:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:20:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:20:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:20:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:20:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:20:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:20:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:20:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:20:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:20:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:20:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:20:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-20 07:20:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 07:20:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:20:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:38,269 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-20 07:20:38,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:38,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396928928] [2021-11-20 07:20:38,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396928928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:38,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:38,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:20:38,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141787162] [2021-11-20 07:20:38,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:38,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:20:38,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:38,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:20:38,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:20:38,272 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) [2021-11-20 07:20:41,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:41,561 INFO L93 Difference]: Finished difference Result 447 states and 603 transitions. [2021-11-20 07:20:41,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:20:41,562 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 [2021-11-20 07:20:41,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:41,566 INFO L225 Difference]: With dead ends: 447 [2021-11-20 07:20:41,566 INFO L226 Difference]: Without dead ends: 445 [2021-11-20 07:20:41,567 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 [2021-11-20 07:20:41,568 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 249 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:20:41,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 1626 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-20 07:20:41,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2021-11-20 07:20:41,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 362. [2021-11-20 07:20:41,601 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) [2021-11-20 07:20:41,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 477 transitions. [2021-11-20 07:20:41,606 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 477 transitions. Word has length 159 [2021-11-20 07:20:41,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:41,607 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 477 transitions. [2021-11-20 07:20:41,608 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) [2021-11-20 07:20:41,608 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 477 transitions. [2021-11-20 07:20:41,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-20 07:20:41,611 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:41,612 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] [2021-11-20 07:20:41,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:20:41,612 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:41,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:41,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1110933035, now seen corresponding path program 1 times [2021-11-20 07:20:41,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:41,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418255150] [2021-11-20 07:20:41,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:41,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:20:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:20:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:20:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:20:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:20:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:20:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:20:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:20:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:20:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:20:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:20:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:20:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:20:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:20:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:20:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:20:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-20 07:20:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 07:20:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:20:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-20 07:20:42,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:42,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418255150] [2021-11-20 07:20:42,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418255150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:42,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:42,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:20:42,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30565946] [2021-11-20 07:20:42,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:42,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:20:42,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:42,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:20:42,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:20:42,342 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) [2021-11-20 07:20:45,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:45,762 INFO L93 Difference]: Finished difference Result 450 states and 605 transitions. [2021-11-20 07:20:45,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:20:45,763 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 [2021-11-20 07:20:45,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:45,768 INFO L225 Difference]: With dead ends: 450 [2021-11-20 07:20:45,768 INFO L226 Difference]: Without dead ends: 448 [2021-11-20 07:20:45,769 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 [2021-11-20 07:20:45,770 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 248 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:20:45,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 1642 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-20 07:20:45,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-11-20 07:20:45,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 361. [2021-11-20 07:20:45,798 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) [2021-11-20 07:20:45,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 475 transitions. [2021-11-20 07:20:45,802 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 475 transitions. Word has length 159 [2021-11-20 07:20:45,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:45,803 INFO L470 AbstractCegarLoop]: Abstraction has 361 states and 475 transitions. [2021-11-20 07:20:45,803 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) [2021-11-20 07:20:45,804 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 475 transitions. [2021-11-20 07:20:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-20 07:20:45,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:45,808 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] [2021-11-20 07:20:45,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:20:45,808 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:45,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:45,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1362509639, now seen corresponding path program 1 times [2021-11-20 07:20:45,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:45,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209909307] [2021-11-20 07:20:45,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:45,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:20:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:20:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:20:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:20:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:20:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:20:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:20:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:20:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:20:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:20:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:20:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:20:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:20:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:20:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:20:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:20:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:20:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 07:20:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 07:20:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-11-20 07:20:46,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:46,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209909307] [2021-11-20 07:20:46,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209909307] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:46,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:46,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:20:46,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929202671] [2021-11-20 07:20:46,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:46,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:20:46,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:46,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:20:46,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:20:46,399 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) [2021-11-20 07:20:48,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:48,801 INFO L93 Difference]: Finished difference Result 805 states and 1098 transitions. [2021-11-20 07:20:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:20:48,802 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 [2021-11-20 07:20:48,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:48,807 INFO L225 Difference]: With dead ends: 805 [2021-11-20 07:20:48,807 INFO L226 Difference]: Without dead ends: 513 [2021-11-20 07:20:48,809 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 [2021-11-20 07:20:48,810 INFO L933 BasicCegarLoop]: 443 mSDtfsCounter, 635 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:20:48,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [690 Valid, 1923 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 07:20:48,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2021-11-20 07:20:48,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 402. [2021-11-20 07:20:48,837 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) [2021-11-20 07:20:48,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 537 transitions. [2021-11-20 07:20:48,841 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 537 transitions. Word has length 178 [2021-11-20 07:20:48,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:48,842 INFO L470 AbstractCegarLoop]: Abstraction has 402 states and 537 transitions. [2021-11-20 07:20:48,842 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) [2021-11-20 07:20:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 537 transitions. [2021-11-20 07:20:48,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-20 07:20:48,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:48,847 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] [2021-11-20 07:20:48,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:20:48,848 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:48,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:48,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1099401581, now seen corresponding path program 1 times [2021-11-20 07:20:48,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:48,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988622938] [2021-11-20 07:20:48,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:48,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:20:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:20:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:20:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:20:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:20:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:20:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:20:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:20:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:20:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:20:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:20:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:20:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:20:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:20:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:20:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:20:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:20:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-20 07:20:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:20:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:49,900 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-11-20 07:20:49,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:49,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988622938] [2021-11-20 07:20:49,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988622938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:49,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:49,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-20 07:20:49,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664786151] [2021-11-20 07:20:49,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:49,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 07:20:49,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:49,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 07:20:49,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:20:49,904 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) [2021-11-20 07:20:54,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:54,373 INFO L93 Difference]: Finished difference Result 1011 states and 1427 transitions. [2021-11-20 07:20:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 07:20:54,374 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 [2021-11-20 07:20:54,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:54,381 INFO L225 Difference]: With dead ends: 1011 [2021-11-20 07:20:54,381 INFO L226 Difference]: Without dead ends: 691 [2021-11-20 07:20:54,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2021-11-20 07:20:54,385 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 573 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:20:54,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [625 Valid, 3660 Invalid, 2907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-20 07:20:54,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2021-11-20 07:20:54,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 449. [2021-11-20 07:20:54,426 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) [2021-11-20 07:20:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 605 transitions. [2021-11-20 07:20:54,430 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 605 transitions. Word has length 174 [2021-11-20 07:20:54,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:54,431 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 605 transitions. [2021-11-20 07:20:54,431 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) [2021-11-20 07:20:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 605 transitions. [2021-11-20 07:20:54,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-20 07:20:54,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:54,435 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] [2021-11-20 07:20:54,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 07:20:54,435 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:54,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:54,436 INFO L85 PathProgramCache]: Analyzing trace with hash -73198679, now seen corresponding path program 1 times [2021-11-20 07:20:54,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:54,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504539898] [2021-11-20 07:20:54,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:54,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:20:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:20:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:20:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:20:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:20:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:20:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:20:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:20:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:20:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:20:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:20:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:20:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:20:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:20:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:20:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-20 07:20:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:20:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:20:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:54,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-20 07:20:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:55,007 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-20 07:20:55,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:55,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504539898] [2021-11-20 07:20:55,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504539898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:55,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:55,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:20:55,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180243814] [2021-11-20 07:20:55,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:55,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:20:55,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:55,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:20:55,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:20:55,013 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) [2021-11-20 07:21:00,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:00,933 INFO L93 Difference]: Finished difference Result 861 states and 1191 transitions. [2021-11-20 07:21:00,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 07:21:00,934 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 [2021-11-20 07:21:00,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:00,940 INFO L225 Difference]: With dead ends: 861 [2021-11-20 07:21:00,940 INFO L226 Difference]: Without dead ends: 583 [2021-11-20 07:21:00,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:21:00,943 INFO L933 BasicCegarLoop]: 436 mSDtfsCounter, 359 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:21:00,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [418 Valid, 1780 Invalid, 1596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 1403 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-11-20 07:21:00,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2021-11-20 07:21:00,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 449. [2021-11-20 07:21:00,983 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) [2021-11-20 07:21:00,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 601 transitions. [2021-11-20 07:21:00,987 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 601 transitions. Word has length 172 [2021-11-20 07:21:00,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:00,988 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 601 transitions. [2021-11-20 07:21:00,989 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) [2021-11-20 07:21:00,989 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 601 transitions. [2021-11-20 07:21:00,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-20 07:21:00,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:00,993 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] [2021-11-20 07:21:00,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 07:21:00,993 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:21:00,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:00,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1732239655, now seen corresponding path program 1 times [2021-11-20 07:21:00,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:00,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542415657] [2021-11-20 07:21:00,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:00,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:21:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:21:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:21:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:21:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:21:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:21:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:21:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:21:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:21:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:21:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:21:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:21:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:21:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:21:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:21:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-20 07:21:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:21:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:21:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-20 07:21:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-20 07:21:01,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:01,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542415657] [2021-11-20 07:21:01,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542415657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:01,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:01,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:21:01,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730843001] [2021-11-20 07:21:01,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:01,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:21:01,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:01,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:21:01,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:21:01,702 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) [2021-11-20 07:21:06,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:06,668 INFO L93 Difference]: Finished difference Result 784 states and 1122 transitions. [2021-11-20 07:21:06,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:21:06,668 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 [2021-11-20 07:21:06,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:06,675 INFO L225 Difference]: With dead ends: 784 [2021-11-20 07:21:06,675 INFO L226 Difference]: Without dead ends: 709 [2021-11-20 07:21:06,681 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 [2021-11-20 07:21:06,682 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 469 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 1609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:21:06,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [532 Valid, 1892 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-20 07:21:06,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2021-11-20 07:21:06,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 457. [2021-11-20 07:21:06,720 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) [2021-11-20 07:21:06,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 611 transitions. [2021-11-20 07:21:06,724 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 611 transitions. Word has length 172 [2021-11-20 07:21:06,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:06,724 INFO L470 AbstractCegarLoop]: Abstraction has 457 states and 611 transitions. [2021-11-20 07:21:06,725 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) [2021-11-20 07:21:06,725 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 611 transitions. [2021-11-20 07:21:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-20 07:21:06,728 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:06,728 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] [2021-11-20 07:21:06,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 07:21:06,729 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:21:06,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:06,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1482232862, now seen corresponding path program 1 times [2021-11-20 07:21:06,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:06,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050085341] [2021-11-20 07:21:06,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:06,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:06,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:21:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:06,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:21:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:21:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:21:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:21:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:21:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:21:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:21:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:21:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:21:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:21:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:21:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:21:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:21:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:21:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:21:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:21:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-20 07:21:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:21:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-20 07:21:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-20 07:21:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:07,628 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-20 07:21:07,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:07,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050085341] [2021-11-20 07:21:07,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050085341] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:21:07,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370615676] [2021-11-20 07:21:07,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:07,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:21:07,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:07,633 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:21:07,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 07:21:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:08,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 2594 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-20 07:21:08,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:08,493 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 15 treesize of output 11 [2021-11-20 07:21:08,496 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 [2021-11-20 07:21:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-20 07:21:08,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:21:09,777 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-11-20 07:21:09,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370615676] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:21:09,778 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:21:09,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 13] total 19 [2021-11-20 07:21:09,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057709439] [2021-11-20 07:21:09,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:21:09,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-20 07:21:09,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:09,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-20 07:21:09,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-11-20 07:21:09,781 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) [2021-11-20 07:21:14,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:14,037 INFO L93 Difference]: Finished difference Result 966 states and 1329 transitions. [2021-11-20 07:21:14,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 07:21:14,038 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 [2021-11-20 07:21:14,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:14,043 INFO L225 Difference]: With dead ends: 966 [2021-11-20 07:21:14,044 INFO L226 Difference]: Without dead ends: 615 [2021-11-20 07:21:14,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 401 SyntacticMatches, 4 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=151, Invalid=905, Unknown=0, NotChecked=0, Total=1056 [2021-11-20 07:21:14,047 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 507 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:21:14,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [557 Valid, 4206 Invalid, 3427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 3085 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-20 07:21:14,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2021-11-20 07:21:14,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 473. [2021-11-20 07:21:14,091 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) [2021-11-20 07:21:14,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 632 transitions. [2021-11-20 07:21:14,095 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 632 transitions. Word has length 178 [2021-11-20 07:21:14,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:14,096 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 632 transitions. [2021-11-20 07:21:14,097 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) [2021-11-20 07:21:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 632 transitions. [2021-11-20 07:21:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-20 07:21:14,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:14,100 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] [2021-11-20 07:21:14,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:14,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-20 07:21:14,313 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:21:14,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:14,314 INFO L85 PathProgramCache]: Analyzing trace with hash -801809861, now seen corresponding path program 1 times [2021-11-20 07:21:14,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:14,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363734404] [2021-11-20 07:21:14,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:14,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:14,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:14,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:21:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:14,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:21:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:14,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:21:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:14,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:21:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:21:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:21:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:21:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:21:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:21:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:21:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:21:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:21:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:21:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:21:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:21:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:21:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:21:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 07:21:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 07:21:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-11-20 07:21:15,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:15,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363734404] [2021-11-20 07:21:15,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363734404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:15,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:15,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-20 07:21:15,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567250428] [2021-11-20 07:21:15,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:15,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 07:21:15,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:15,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 07:21:15,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:21:15,356 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) [2021-11-20 07:21:20,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:20,513 INFO L93 Difference]: Finished difference Result 1059 states and 1490 transitions. [2021-11-20 07:21:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 07:21:20,514 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 [2021-11-20 07:21:20,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:20,521 INFO L225 Difference]: With dead ends: 1059 [2021-11-20 07:21:20,521 INFO L226 Difference]: Without dead ends: 738 [2021-11-20 07:21:20,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=672, Unknown=0, NotChecked=0, Total=812 [2021-11-20 07:21:20,524 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 449 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 2837 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 4081 SdHoareTripleChecker+Invalid, 3031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 2837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:21:20,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [501 Valid, 4081 Invalid, 3031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 2837 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-11-20 07:21:20,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2021-11-20 07:21:20,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 494. [2021-11-20 07:21:20,565 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) [2021-11-20 07:21:20,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 662 transitions. [2021-11-20 07:21:20,569 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 662 transitions. Word has length 178 [2021-11-20 07:21:20,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:20,570 INFO L470 AbstractCegarLoop]: Abstraction has 494 states and 662 transitions. [2021-11-20 07:21:20,570 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) [2021-11-20 07:21:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 662 transitions. [2021-11-20 07:21:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-20 07:21:20,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:20,572 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] [2021-11-20 07:21:20,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 07:21:20,573 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:21:20,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:20,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1914549499, now seen corresponding path program 1 times [2021-11-20 07:21:20,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:20,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280740760] [2021-11-20 07:21:20,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:20,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:21:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:21:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:21:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:21:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:21:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:21:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:21:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:21:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:21:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:21:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:21:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:21:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:21:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:21:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:21:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-20 07:21:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:20,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:21,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:21,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:21:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:21,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:21:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 07:21:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-20 07:21:21,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:21,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280740760] [2021-11-20 07:21:21,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280740760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:21,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:21,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:21:21,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447870337] [2021-11-20 07:21:21,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:21,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:21:21,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:21,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:21:21,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:21:21,096 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) [2021-11-20 07:21:26,580 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:21:27,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:27,112 INFO L93 Difference]: Finished difference Result 908 states and 1252 transitions. [2021-11-20 07:21:27,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:21:27,113 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 [2021-11-20 07:21:27,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:27,119 INFO L225 Difference]: With dead ends: 908 [2021-11-20 07:21:27,119 INFO L226 Difference]: Without dead ends: 630 [2021-11-20 07:21:27,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:21:27,121 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 283 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s 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, 5.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:21:27,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 1238 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-11-20 07:21:27,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-11-20 07:21:27,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 496. [2021-11-20 07:21:27,160 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) [2021-11-20 07:21:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 664 transitions. [2021-11-20 07:21:27,163 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 664 transitions. Word has length 174 [2021-11-20 07:21:27,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:27,164 INFO L470 AbstractCegarLoop]: Abstraction has 496 states and 664 transitions. [2021-11-20 07:21:27,164 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) [2021-11-20 07:21:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 664 transitions. [2021-11-20 07:21:27,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-20 07:21:27,167 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:27,167 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] [2021-11-20 07:21:27,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 07:21:27,167 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:21:27,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:27,168 INFO L85 PathProgramCache]: Analyzing trace with hash -167187636, now seen corresponding path program 1 times [2021-11-20 07:21:27,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:27,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604885399] [2021-11-20 07:21:27,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:27,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:27,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:27,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:21:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:27,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:21:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:21:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:27,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:21:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:27,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:27,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:27,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:21:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:21:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:21:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:21:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:21:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:21:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:21:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:21:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:21:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:21:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:21:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:21:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:21:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-20 07:21:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 07:21:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:21:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-20 07:21:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-20 07:21:28,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:28,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604885399] [2021-11-20 07:21:28,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604885399] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:21:28,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295479943] [2021-11-20 07:21:28,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:28,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:21:28,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:28,227 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:21:28,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 07:21:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:28,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 2654 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-20 07:21:28,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:29,452 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-20 07:21:29,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:21:29,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295479943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:29,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:21:29,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 12 [2021-11-20 07:21:29,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325567140] [2021-11-20 07:21:29,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:29,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:21:29,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:29,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:21:29,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:21:29,455 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) [2021-11-20 07:21:29,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:29,724 INFO L93 Difference]: Finished difference Result 985 states and 1317 transitions. [2021-11-20 07:21:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:21:29,724 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 [2021-11-20 07:21:29,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:29,728 INFO L225 Difference]: With dead ends: 985 [2021-11-20 07:21:29,729 INFO L226 Difference]: Without dead ends: 498 [2021-11-20 07:21:29,731 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 [2021-11-20 07:21:29,732 INFO L933 BasicCegarLoop]: 418 mSDtfsCounter, 30 mSDsluCounter, 1994 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2021-11-20 07:21:29,732 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] [2021-11-20 07:21:29,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2021-11-20 07:21:29,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2021-11-20 07:21:29,769 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) [2021-11-20 07:21:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 666 transitions. [2021-11-20 07:21:29,773 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 666 transitions. Word has length 188 [2021-11-20 07:21:29,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:29,774 INFO L470 AbstractCegarLoop]: Abstraction has 498 states and 666 transitions. [2021-11-20 07:21:29,774 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) [2021-11-20 07:21:29,774 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 666 transitions. [2021-11-20 07:21:29,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-20 07:21:29,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:29,777 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] [2021-11-20 07:21:29,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:29,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-20 07:21:30,000 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:21:30,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:30,000 INFO L85 PathProgramCache]: Analyzing trace with hash 464786715, now seen corresponding path program 1 times [2021-11-20 07:21:30,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:30,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528263052] [2021-11-20 07:21:30,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:30,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:30,044 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:21:30,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460019031] [2021-11-20 07:21:30,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:30,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:21:30,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:30,046 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:21:30,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 07:22:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:02,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 2731 conjuncts, 324 conjunts are in the unsatisfiable core [2021-11-20 07:22:02,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:02,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 07:22:02,897 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:22:02,898 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 [2021-11-20 07:22:02,994 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 07:22:02,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 14 [2021-11-20 07:22:03,263 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 [2021-11-20 07:22:03,572 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 [2021-11-20 07:22:03,892 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 [2021-11-20 07:22:04,556 INFO L354 Elim1Store]: treesize reduction 211, result has 10.2 percent of original size [2021-11-20 07:22:04,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 96 treesize of output 97 [2021-11-20 07:22:06,620 INFO L354 Elim1Store]: treesize reduction 32, result has 34.7 percent of original size [2021-11-20 07:22:06,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 61 [2021-11-20 07:22:08,353 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 119 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-20 07:22:08,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:22:46,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:46,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528263052] [2021-11-20 07:22:46,903 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:22:46,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460019031] [2021-11-20 07:22:46,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460019031] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:22:46,903 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:22:46,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2021-11-20 07:22:46,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041763037] [2021-11-20 07:22:46,904 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-20 07:22:46,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-20 07:22:46,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:46,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-20 07:22:46,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=2363, Unknown=18, NotChecked=0, Total=2550 [2021-11-20 07:22:46,907 INFO L87 Difference]: Start difference. First operand 498 states and 666 transitions. Second operand has 34 states, 27 states have (on average 3.5185185185185186) internal successors, (95), 25 states have internal predecessors, (95), 11 states have call successors, (32), 6 states have call predecessors, (32), 10 states have return successors, (28), 10 states have call predecessors, (28), 11 states have call successors, (28) [2021-11-20 07:22:49,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:49,331 INFO L93 Difference]: Finished difference Result 1034 states and 1367 transitions. [2021-11-20 07:22:49,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-20 07:22:49,332 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 27 states have (on average 3.5185185185185186) internal successors, (95), 25 states have internal predecessors, (95), 11 states have call successors, (32), 6 states have call predecessors, (32), 10 states have return successors, (28), 10 states have call predecessors, (28), 11 states have call successors, (28) Word has length 194 [2021-11-20 07:22:49,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:22:49,338 INFO L225 Difference]: With dead ends: 1034 [2021-11-20 07:22:49,338 INFO L226 Difference]: Without dead ends: 530 [2021-11-20 07:22:49,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 219 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 867 ImplicationChecksByTransitivity, 40.2s TimeCoverageRelationStatistics Valid=169, Invalid=2363, Unknown=18, NotChecked=0, Total=2550 [2021-11-20 07:22:49,343 INFO L933 BasicCegarLoop]: 435 mSDtfsCounter, 26 mSDsluCounter, 5586 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 6021 SdHoareTripleChecker+Invalid, 2813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2247 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:22:49,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 6021 Invalid, 2813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 566 Invalid, 0 Unknown, 2247 Unchecked, 2.3s Time] [2021-11-20 07:22:49,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2021-11-20 07:22:49,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 528. [2021-11-20 07:22:49,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 350 states have (on average 1.22) internal successors, (427), 355 states have internal predecessors, (427), 125 states have call successors, (125), 48 states have call predecessors, (125), 52 states have return successors, (144), 124 states have call predecessors, (144), 123 states have call successors, (144) [2021-11-20 07:22:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 696 transitions. [2021-11-20 07:22:49,395 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 696 transitions. Word has length 194 [2021-11-20 07:22:49,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:22:49,395 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 696 transitions. [2021-11-20 07:22:49,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 27 states have (on average 3.5185185185185186) internal successors, (95), 25 states have internal predecessors, (95), 11 states have call successors, (32), 6 states have call predecessors, (32), 10 states have return successors, (28), 10 states have call predecessors, (28), 11 states have call successors, (28) [2021-11-20 07:22:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 696 transitions. [2021-11-20 07:22:49,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-20 07:22:49,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:22:49,399 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] [2021-11-20 07:22:49,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:49,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:49,625 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:22:49,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:49,626 INFO L85 PathProgramCache]: Analyzing trace with hash 554039209, now seen corresponding path program 1 times [2021-11-20 07:22:49,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:49,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270423302] [2021-11-20 07:22:49,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:49,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:49,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:22:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:49,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:22:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:49,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:22:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:49,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:22:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:22:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:49,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:22:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:22:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:49,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:22:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:22:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:22:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 07:22:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:22:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:22:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-20 07:22:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:22:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:22:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 07:22:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:22:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-20 07:22:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-20 07:22:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:22:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:22:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-20 07:22:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:22:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:22:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:22:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 07:22:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:22:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-20 07:22:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 07:22:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-20 07:22:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:22:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:50,322 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-11-20 07:22:50,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:50,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270423302] [2021-11-20 07:22:50,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270423302] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:22:50,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:22:50,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:22:50,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481845328] [2021-11-20 07:22:50,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:22:50,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:22:50,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:50,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:22:50,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:22:50,329 INFO L87 Difference]: Start difference. First operand 528 states and 696 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) [2021-11-20 07:22:52,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:52,942 INFO L93 Difference]: Finished difference Result 1126 states and 1527 transitions. [2021-11-20 07:22:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:22:52,943 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 [2021-11-20 07:22:52,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:22:52,946 INFO L225 Difference]: With dead ends: 1126 [2021-11-20 07:22:52,947 INFO L226 Difference]: Without dead ends: 637 [2021-11-20 07:22:52,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:22:52,950 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 241 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 2224 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:22:52,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 2224 Invalid, 1663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1539 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 07:22:52,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2021-11-20 07:22:52,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 533. [2021-11-20 07:22:52,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 354 states have (on average 1.2175141242937852) internal successors, (431), 359 states have internal predecessors, (431), 125 states have call successors, (125), 48 states have call predecessors, (125), 53 states have return successors, (146), 125 states have call predecessors, (146), 123 states have call successors, (146) [2021-11-20 07:22:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 702 transitions. [2021-11-20 07:22:52,999 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 702 transitions. Word has length 200 [2021-11-20 07:22:52,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:22:52,999 INFO L470 AbstractCegarLoop]: Abstraction has 533 states and 702 transitions. [2021-11-20 07:22:53,000 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) [2021-11-20 07:22:53,000 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 702 transitions. [2021-11-20 07:22:53,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-20 07:22:53,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:22:53,003 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] [2021-11-20 07:22:53,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 07:22:53,003 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:22:53,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:53,004 INFO L85 PathProgramCache]: Analyzing trace with hash -769130113, now seen corresponding path program 1 times [2021-11-20 07:22:53,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:53,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272925669] [2021-11-20 07:22:53,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:53,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:53,088 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:22:53,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1960626573] [2021-11-20 07:22:53,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:53,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:53,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:53,092 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:22:53,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 07:22:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:53,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 2747 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 07:22:53,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:54,082 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-20 07:22:54,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:22:54,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:54,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272925669] [2021-11-20 07:22:54,083 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:22:54,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960626573] [2021-11-20 07:22:54,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960626573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:22:54,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:22:54,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:22:54,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131972289] [2021-11-20 07:22:54,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:22:54,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:22:54,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:54,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:22:54,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:22:54,087 INFO L87 Difference]: Start difference. First operand 533 states and 702 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) [2021-11-20 07:22:54,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:54,123 INFO L93 Difference]: Finished difference Result 551 states and 719 transitions. [2021-11-20 07:22:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:22:54,124 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 [2021-11-20 07:22:54,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:22:54,125 INFO L225 Difference]: With dead ends: 551 [2021-11-20 07:22:54,125 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 07:22:54,128 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 [2021-11-20 07:22:54,129 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 2 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:22:54,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 304 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:22:54,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 07:22:54,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 07:22:54,131 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) [2021-11-20 07:22:54,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 07:22:54,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2021-11-20 07:22:54,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:22:54,132 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:22:54,132 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) [2021-11-20 07:22:54,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:22:54,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 07:22:54,135 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:22:54,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:54,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:54,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 07:22:57,077 INFO L861 garLoopResultBuilder]: At program point L7342(line 7342) the Hoare annotation is: true [2021-11-20 07:22:57,077 INFO L858 garLoopResultBuilder]: For program point uninterpreted_equalsFINAL(lines 7331 7345) no Hoare annotation was computed. [2021-11-20 07:22:57,077 INFO L858 garLoopResultBuilder]: For program point L7339-1(line 7339) no Hoare annotation was computed. [2021-11-20 07:22:57,077 INFO L861 garLoopResultBuilder]: At program point L7339(line 7339) the Hoare annotation is: true [2021-11-20 07:22:57,078 INFO L858 garLoopResultBuilder]: For program point L7342-3(line 7342) no Hoare annotation was computed. [2021-11-20 07:22:57,078 INFO L858 garLoopResultBuilder]: For program point L7341-2(lines 7341 7343) no Hoare annotation was computed. [2021-11-20 07:22:57,078 INFO L861 garLoopResultBuilder]: At program point L7342-2(line 7342) the Hoare annotation is: true [2021-11-20 07:22:57,078 INFO L858 garLoopResultBuilder]: For program point L7341(lines 7341 7343) no Hoare annotation was computed. [2021-11-20 07:22:57,078 INFO L861 garLoopResultBuilder]: At program point L7342-1(line 7342) the Hoare annotation is: true [2021-11-20 07:22:57,078 INFO L858 garLoopResultBuilder]: For program point uninterpreted_equalsEXIT(lines 7331 7345) no Hoare annotation was computed. [2021-11-20 07:22:57,078 INFO L858 garLoopResultBuilder]: For program point L7335-1(line 7335) no Hoare annotation was computed. [2021-11-20 07:22:57,078 INFO L861 garLoopResultBuilder]: At program point L7335(line 7335) the Hoare annotation is: true [2021-11-20 07:22:57,078 INFO L861 garLoopResultBuilder]: At program point L7337-1(line 7337) the Hoare annotation is: true [2021-11-20 07:22:57,078 INFO L861 garLoopResultBuilder]: At program point uninterpreted_equalsENTRY(lines 7331 7345) the Hoare annotation is: true [2021-11-20 07:22:57,079 INFO L861 garLoopResultBuilder]: At program point L7337(line 7337) the Hoare annotation is: true [2021-11-20 07:22:57,079 INFO L858 garLoopResultBuilder]: For program point L6944-1(lines 6944 6946) no Hoare annotation was computed. [2021-11-20 07:22:57,079 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|))) [2021-11-20 07:22:57,079 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|))) [2021-11-20 07:22:57,079 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6943 6948) no Hoare annotation was computed. [2021-11-20 07:22:57,079 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6943 6948) no Hoare annotation was computed. [2021-11-20 07:22:57,080 INFO L861 garLoopResultBuilder]: At program point __CPROVER_uninterpreted_equalsENTRY(line 239) the Hoare annotation is: true [2021-11-20 07:22:57,080 INFO L858 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_equalsFINAL(line 239) no Hoare annotation was computed. [2021-11-20 07:22:57,080 INFO L858 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_equalsEXIT(line 239) no Hoare annotation was computed. [2021-11-20 07:22:57,080 INFO L858 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_hasherEXIT(line 238) no Hoare annotation was computed. [2021-11-20 07:22:57,080 INFO L861 garLoopResultBuilder]: At program point __CPROVER_uninterpreted_hasherENTRY(line 238) the Hoare annotation is: true [2021-11-20 07:22:57,080 INFO L858 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_hasherFINAL(line 238) no Hoare annotation was computed. [2021-11-20 07:22:57,081 INFO L858 garLoopResultBuilder]: For program point L10008-3(line 10008) no Hoare annotation was computed. [2021-11-20 07:22:57,081 INFO L861 garLoopResultBuilder]: At program point L10008-4(line 10008) the Hoare annotation is: true [2021-11-20 07:22:57,081 INFO L858 garLoopResultBuilder]: For program point L10008-5(line 10008) no Hoare annotation was computed. [2021-11-20 07:22:57,081 INFO L861 garLoopResultBuilder]: At program point aws_hash_table_is_validENTRY(lines 10006 10009) the Hoare annotation is: true [2021-11-20 07:22:57,081 INFO L858 garLoopResultBuilder]: For program point L10008(line 10008) no Hoare annotation was computed. [2021-11-20 07:22:57,082 INFO L858 garLoopResultBuilder]: For program point L10008-2(line 10008) no Hoare annotation was computed. [2021-11-20 07:22:57,082 INFO L858 garLoopResultBuilder]: For program point L10008-7(line 10008) no Hoare annotation was computed. [2021-11-20 07:22:57,082 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_is_validEXIT(lines 10006 10009) no Hoare annotation was computed. [2021-11-20 07:22:57,082 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_is_validFINAL(lines 10006 10009) no Hoare annotation was computed. [2021-11-20 07:22:57,082 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-20 07:22:57,083 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-20 07:22:57,083 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-20 07:22:57,083 INFO L858 garLoopResultBuilder]: For program point L7130(lines 7130 7134) no Hoare annotation was computed. [2021-11-20 07:22:57,083 INFO L858 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7122 7135) no Hoare annotation was computed. [2021-11-20 07:22:57,083 INFO L861 garLoopResultBuilder]: At program point L7126(lines 7126 7128) the Hoare annotation is: true [2021-11-20 07:22:57,084 INFO L861 garLoopResultBuilder]: At program point aws_mem_releaseENTRY(lines 7122 7135) the Hoare annotation is: true [2021-11-20 07:22:57,084 INFO L858 garLoopResultBuilder]: For program point L7130-2(lines 7122 7135) no Hoare annotation was computed. [2021-11-20 07:22:57,084 INFO L858 garLoopResultBuilder]: For program point L7123-1(lines 7123 7125) no Hoare annotation was computed. [2021-11-20 07:22:57,084 INFO L861 garLoopResultBuilder]: At program point L7123(lines 7123 7125) the Hoare annotation is: true [2021-11-20 07:22:57,084 INFO L858 garLoopResultBuilder]: For program point L7126-1(lines 7126 7128) no Hoare annotation was computed. [2021-11-20 07:22:57,085 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|))) [2021-11-20 07:22:57,085 INFO L858 garLoopResultBuilder]: For program point hash_table_state_required_bytesEXIT(lines 10119 10131) no Hoare annotation was computed. [2021-11-20 07:22:57,085 INFO L858 garLoopResultBuilder]: For program point L10126-1(line 10126) no Hoare annotation was computed. [2021-11-20 07:22:57,085 INFO L858 garLoopResultBuilder]: For program point L10126-2(lines 10126 10128) no Hoare annotation was computed. [2021-11-20 07:22:57,085 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))) [2021-11-20 07:22:57,086 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) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_13| Int)) (let ((.cse0 (store |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base| 1))) (and (= (store .cse0 |v___CPROVER_overflow_mult_~#c~1.base_13| 0) |#valid|) (= (select .cse0 |v___CPROVER_overflow_mult_~#c~1.base_13|) 0)))) (= ~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|))) [2021-11-20 07:22:57,086 INFO L858 garLoopResultBuilder]: For program point hash_table_state_required_bytesFINAL(lines 10119 10131) no Hoare annotation was computed. [2021-11-20 07:22:57,086 INFO L858 garLoopResultBuilder]: For program point L10122-1(line 10122) no Hoare annotation was computed. [2021-11-20 07:22:57,086 INFO L858 garLoopResultBuilder]: For program point L10122-2(lines 10122 10124) no Hoare annotation was computed. [2021-11-20 07:22:57,087 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:22:57,087 INFO L861 garLoopResultBuilder]: At program point L6940(lines 6934 6941) the Hoare annotation is: true [2021-11-20 07:22:57,087 INFO L861 garLoopResultBuilder]: At program point L6936-2(line 6936) the Hoare annotation is: true [2021-11-20 07:22:57,087 INFO L858 garLoopResultBuilder]: For program point L6936-1(line 6936) no Hoare annotation was computed. [2021-11-20 07:22:57,087 INFO L861 garLoopResultBuilder]: At program point L6936(line 6936) the Hoare annotation is: true [2021-11-20 07:22:57,088 INFO L858 garLoopResultBuilder]: For program point L6937-1(lines 6937 6939) no Hoare annotation was computed. [2021-11-20 07:22:57,088 INFO L861 garLoopResultBuilder]: At program point L6937(lines 6937 6939) the Hoare annotation is: true [2021-11-20 07:22:57,088 INFO L858 garLoopResultBuilder]: For program point L6936-3(line 6936) no Hoare annotation was computed. [2021-11-20 07:22:57,088 INFO L858 garLoopResultBuilder]: For program point can_fail_callocEXIT(lines 6954 6958) no Hoare annotation was computed. [2021-11-20 07:22:57,088 INFO L858 garLoopResultBuilder]: For program point L6955-1(lines 6955 6957) no Hoare annotation was computed. [2021-11-20 07:22:57,089 INFO L861 garLoopResultBuilder]: At program point can_fail_callocENTRY(lines 6954 6958) the Hoare annotation is: true [2021-11-20 07:22:57,089 INFO L861 garLoopResultBuilder]: At program point L6955(line 6955) the Hoare annotation is: true [2021-11-20 07:22:57,089 INFO L858 garLoopResultBuilder]: For program point can_fail_callocFINAL(lines 6954 6958) no Hoare annotation was computed. [2021-11-20 07:22:57,089 INFO L858 garLoopResultBuilder]: For program point L6955-3(lines 6955 6957) no Hoare annotation was computed. [2021-11-20 07:22:57,089 INFO L861 garLoopResultBuilder]: At program point L2657(lines 2637 2658) the Hoare annotation is: true [2021-11-20 07:22:57,090 INFO L858 garLoopResultBuilder]: For program point L9210(lines 9210 9212) no Hoare annotation was computed. [2021-11-20 07:22:57,090 INFO L858 garLoopResultBuilder]: For program point L9202(lines 9202 9204) no Hoare annotation was computed. [2021-11-20 07:22:57,090 INFO L858 garLoopResultBuilder]: For program point L9210-2(lines 9210 9212) no Hoare annotation was computed. [2021-11-20 07:22:57,090 INFO L858 garLoopResultBuilder]: For program point L2643-1(line 2643) no Hoare annotation was computed. [2021-11-20 07:22:57,090 INFO L861 garLoopResultBuilder]: At program point L2643(line 2643) the Hoare annotation is: true [2021-11-20 07:22:57,091 INFO L858 garLoopResultBuilder]: For program point L9196(lines 9196 9198) no Hoare annotation was computed. [2021-11-20 07:22:57,091 INFO L858 garLoopResultBuilder]: For program point L9196-2(lines 9196 9198) no Hoare annotation was computed. [2021-11-20 07:22:57,091 INFO L858 garLoopResultBuilder]: For program point L2642(lines 2642 2644) no Hoare annotation was computed. [2021-11-20 07:22:57,091 INFO L858 garLoopResultBuilder]: For program point L2638(lines 2638 2641) no Hoare annotation was computed. [2021-11-20 07:22:57,091 INFO L858 garLoopResultBuilder]: For program point s_update_template_sizeEXIT(lines 9193 9218) no Hoare annotation was computed. [2021-11-20 07:22:57,092 INFO L861 garLoopResultBuilder]: At program point s_update_template_sizeENTRY(lines 9193 9218) the Hoare annotation is: true [2021-11-20 07:22:57,092 INFO L858 garLoopResultBuilder]: For program point s_update_template_sizeFINAL(lines 9193 9218) no Hoare annotation was computed. [2021-11-20 07:22:57,092 INFO L858 garLoopResultBuilder]: For program point aws_allocator_is_validFINAL(lines 6984 6987) no Hoare annotation was computed. [2021-11-20 07:22:57,092 INFO L861 garLoopResultBuilder]: At program point L6986(line 6986) the Hoare annotation is: true [2021-11-20 07:22:57,092 INFO L861 garLoopResultBuilder]: At program point aws_allocator_is_validENTRY(lines 6984 6987) the Hoare annotation is: true [2021-11-20 07:22:57,093 INFO L858 garLoopResultBuilder]: For program point L6986-1(line 6986) no Hoare annotation was computed. [2021-11-20 07:22:57,093 INFO L858 garLoopResultBuilder]: For program point aws_allocator_is_validEXIT(lines 6984 6987) no Hoare annotation was computed. [2021-11-20 07:22:57,093 INFO L861 garLoopResultBuilder]: At program point L9150-1(line 9150) the Hoare annotation is: true [2021-11-20 07:22:57,093 INFO L861 garLoopResultBuilder]: At program point s_hash_keys_eqENTRY(lines 9147 9155) the Hoare annotation is: true [2021-11-20 07:22:57,093 INFO L858 garLoopResultBuilder]: For program point L9150-2(line 9150) no Hoare annotation was computed. [2021-11-20 07:22:57,094 INFO L858 garLoopResultBuilder]: For program point s_hash_keys_eqEXIT(lines 9147 9155) no Hoare annotation was computed. [2021-11-20 07:22:57,094 INFO L861 garLoopResultBuilder]: At program point L9153(line 9153) the Hoare annotation is: true [2021-11-20 07:22:57,094 INFO L861 garLoopResultBuilder]: At program point L9154-1(line 9154) the Hoare annotation is: true [2021-11-20 07:22:57,094 INFO L858 garLoopResultBuilder]: For program point L9153-1(line 9153) no Hoare annotation was computed. [2021-11-20 07:22:57,094 INFO L858 garLoopResultBuilder]: For program point L9154-2(line 9154) no Hoare annotation was computed. [2021-11-20 07:22:57,095 INFO L861 garLoopResultBuilder]: At program point L9154-3(line 9154) the Hoare annotation is: true [2021-11-20 07:22:57,095 INFO L861 garLoopResultBuilder]: At program point L9150(line 9150) the Hoare annotation is: true [2021-11-20 07:22:57,095 INFO L858 garLoopResultBuilder]: For program point L9154-4(lines 9147 9155) no Hoare annotation was computed. [2021-11-20 07:22:57,095 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2021-11-20 07:22:57,095 INFO L858 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2021-11-20 07:22:57,096 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2586 2594) no Hoare annotation was computed. [2021-11-20 07:22:57,096 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|))) [2021-11-20 07:22:57,096 INFO L854 garLoopResultBuilder]: At program point L2501(lines 2497 2502) 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_#res#1| 1) 0)) (not (< 0 |#StackHeapBarrier|)) (and (exists ((|v___CPROVER_overflow_mult_~#c~1.base_13| Int)) (and (= (select |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_13|) 0) (= (store |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_13| 0) |#valid|))) (= ~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|)) (= |aws_mul_size_checked_aws_mul_u64_checked_#res#1| 0))) [2021-11-20 07:22:57,096 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|))) [2021-11-20 07:22:57,097 INFO L858 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2021-11-20 07:22:57,097 INFO L854 garLoopResultBuilder]: At program point L2499(line 2499) 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)|))) [2021-11-20 07:22:57,097 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-11-20 07:22:57,097 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-11-20 07:22:57,098 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-11-20 07:22:57,098 INFO L858 garLoopResultBuilder]: For program point L9115(line 9115) no Hoare annotation was computed. [2021-11-20 07:22:57,098 INFO L861 garLoopResultBuilder]: At program point L9115-1(lines 9100 9116) the Hoare annotation is: true [2021-11-20 07:22:57,098 INFO L858 garLoopResultBuilder]: For program point L9115-2(lines 9100 9116) no Hoare annotation was computed. [2021-11-20 07:22:57,098 INFO L861 garLoopResultBuilder]: At program point L9101(line 9101) the Hoare annotation is: true [2021-11-20 07:22:57,099 INFO L861 garLoopResultBuilder]: At program point L9101-1(line 9101) the Hoare annotation is: true [2021-11-20 07:22:57,099 INFO L858 garLoopResultBuilder]: For program point L9101-2(line 9101) no Hoare annotation was computed. [2021-11-20 07:22:57,099 INFO L861 garLoopResultBuilder]: At program point L7373-1(lines 7369 7374) the Hoare annotation is: true [2021-11-20 07:22:57,099 INFO L858 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2021-11-20 07:22:57,099 INFO L858 garLoopResultBuilder]: For program point L9085(lines 9085 9093) no Hoare annotation was computed. [2021-11-20 07:22:57,100 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2021-11-20 07:22:57,100 INFO L858 garLoopResultBuilder]: For program point L9112(lines 9112 9114) no Hoare annotation was computed. [2021-11-20 07:22:57,100 INFO L861 garLoopResultBuilder]: At program point s_hash_forENTRY(lines 9100 9116) the Hoare annotation is: true [2021-11-20 07:22:57,100 INFO L861 garLoopResultBuilder]: At program point L7370(lines 7370 7372) the Hoare annotation is: true [2021-11-20 07:22:57,100 INFO L858 garLoopResultBuilder]: For program point L9104(lines 9104 9109) no Hoare annotation was computed. [2021-11-20 07:22:57,101 INFO L858 garLoopResultBuilder]: For program point s_hash_forEXIT(lines 9100 9116) no Hoare annotation was computed. [2021-11-20 07:22:57,101 INFO L861 garLoopResultBuilder]: At program point L7370-1(lines 7370 7372) the Hoare annotation is: true [2021-11-20 07:22:57,101 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|))) [2021-11-20 07:22:57,101 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusFINAL(lines 248 251) no Hoare annotation was computed. [2021-11-20 07:22:57,101 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2021-11-20 07:22:57,102 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:22:57,102 INFO L858 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-11-20 07:22:57,102 INFO L861 garLoopResultBuilder]: At program point L7356-1(lines 7348 7357) the Hoare annotation is: true [2021-11-20 07:22:57,102 INFO L858 garLoopResultBuilder]: For program point L7356(line 7356) no Hoare annotation was computed. [2021-11-20 07:22:57,102 INFO L861 garLoopResultBuilder]: At program point L7350(lines 7350 7352) the Hoare annotation is: true [2021-11-20 07:22:57,103 INFO L861 garLoopResultBuilder]: At program point L7287(lines 7280 7288) the Hoare annotation is: true [2021-11-20 07:22:57,103 INFO L861 garLoopResultBuilder]: At program point L7353(lines 7353 7355) the Hoare annotation is: true [2021-11-20 07:22:57,103 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:22:57,103 INFO L858 garLoopResultBuilder]: For program point L7284(lines 7284 7286) no Hoare annotation was computed. [2021-11-20 07:22:57,103 INFO L861 garLoopResultBuilder]: At program point L7350-1(lines 7350 7352) the Hoare annotation is: true [2021-11-20 07:22:57,104 INFO L861 garLoopResultBuilder]: At program point L7281-1(lines 7281 7283) the Hoare annotation is: true [2021-11-20 07:22:57,104 INFO L861 garLoopResultBuilder]: At program point L7281(lines 7281 7283) the Hoare annotation is: true [2021-11-20 07:22:57,104 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:22:57,104 INFO L861 garLoopResultBuilder]: At program point L262(line 262) the Hoare annotation is: true [2021-11-20 07:22:57,104 INFO L861 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2021-11-20 07:22:57,105 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_createEXIT(lines 9516 9580) no Hoare annotation was computed. [2021-11-20 07:22:57,105 INFO L858 garLoopResultBuilder]: For program point L9533(lines 9533 9539) no Hoare annotation was computed. [2021-11-20 07:22:57,105 INFO L858 garLoopResultBuilder]: For program point L9504(lines 9504 9507) no Hoare annotation was computed. [2021-11-20 07:22:57,105 INFO L858 garLoopResultBuilder]: For program point L9546(lines 9546 9561) no Hoare annotation was computed. [2021-11-20 07:22:57,105 INFO L861 garLoopResultBuilder]: At program point L9571(line 9571) the Hoare annotation is: true [2021-11-20 07:22:57,106 INFO L858 garLoopResultBuilder]: For program point L9571-1(line 9571) no Hoare annotation was computed. [2021-11-20 07:22:57,106 INFO L861 garLoopResultBuilder]: At program point L9513(lines 9484 9514) the Hoare annotation is: true [2021-11-20 07:22:57,106 INFO L858 garLoopResultBuilder]: For program point L9546-2(lines 9546 9561) no Hoare annotation was computed. [2021-11-20 07:22:57,106 INFO L858 garLoopResultBuilder]: For program point L9534-2(lines 9534 9536) no Hoare annotation was computed. [2021-11-20 07:22:57,106 INFO L858 garLoopResultBuilder]: For program point L9534(lines 9534 9536) no Hoare annotation was computed. [2021-11-20 07:22:57,107 INFO L861 garLoopResultBuilder]: At program point L9493(line 9493) the Hoare annotation is: true [2021-11-20 07:22:57,107 INFO L858 garLoopResultBuilder]: For program point L9493-1(line 9493) no Hoare annotation was computed. [2021-11-20 07:22:57,107 INFO L858 garLoopResultBuilder]: For program point L9493-2(lines 9493 9495) no Hoare annotation was computed. [2021-11-20 07:22:57,107 INFO L861 garLoopResultBuilder]: At program point L9497(line 9497) the Hoare annotation is: true [2021-11-20 07:22:57,107 INFO L858 garLoopResultBuilder]: For program point L9497-1(line 9497) no Hoare annotation was computed. [2021-11-20 07:22:57,108 INFO L861 garLoopResultBuilder]: At program point L9489(line 9489) the Hoare annotation is: true [2021-11-20 07:22:57,108 INFO L858 garLoopResultBuilder]: For program point L9489-1(line 9489) no Hoare annotation was computed. [2021-11-20 07:22:57,108 INFO L858 garLoopResultBuilder]: For program point L9489-2(lines 9489 9491) no Hoare annotation was computed. [2021-11-20 07:22:57,108 INFO L858 garLoopResultBuilder]: For program point L9543-2(lines 9543 9545) no Hoare annotation was computed. [2021-11-20 07:22:57,108 INFO L861 garLoopResultBuilder]: At program point L9506(line 9506) the Hoare annotation is: true [2021-11-20 07:22:57,109 INFO L861 garLoopResultBuilder]: At program point L9543(line 9543) the Hoare annotation is: true [2021-11-20 07:22:57,109 INFO L858 garLoopResultBuilder]: For program point L9543-1(line 9543) no Hoare annotation was computed. [2021-11-20 07:22:57,109 INFO L858 garLoopResultBuilder]: For program point L9502-1(lines 9502 9508) no Hoare annotation was computed. [2021-11-20 07:22:57,109 INFO L858 garLoopResultBuilder]: For program point L9531(line 9531) no Hoare annotation was computed. [2021-11-20 07:22:57,109 INFO L858 garLoopResultBuilder]: For program point L9502-3(lines 9502 9508) no Hoare annotation was computed. [2021-11-20 07:22:57,110 INFO L858 garLoopResultBuilder]: For program point L9498(lines 9498 9500) no Hoare annotation was computed. [2021-11-20 07:22:57,110 INFO L861 garLoopResultBuilder]: At program point L9502-4(lines 9502 9508) the Hoare annotation is: true [2021-11-20 07:22:57,110 INFO L858 garLoopResultBuilder]: For program point L9506-1(line 9506) no Hoare annotation was computed. [2021-11-20 07:22:57,110 INFO L861 garLoopResultBuilder]: At program point aws_hash_table_createENTRY(lines 9516 9580) the Hoare annotation is: true [2021-11-20 07:22:57,110 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_createFINAL(lines 9516 9580) no Hoare annotation was computed. [2021-11-20 07:22:57,111 INFO L861 garLoopResultBuilder]: At program point L9527-2(lines 9527 9529) the Hoare annotation is: true [2021-11-20 07:22:57,111 INFO L861 garLoopResultBuilder]: At program point L9523(line 9523) the Hoare annotation is: true [2021-11-20 07:22:57,111 INFO L858 garLoopResultBuilder]: For program point L9523-1(line 9523) no Hoare annotation was computed. [2021-11-20 07:22:57,111 INFO L858 garLoopResultBuilder]: For program point L9502-5(lines 9502 9508) no Hoare annotation was computed. [2021-11-20 07:22:57,111 INFO L858 garLoopResultBuilder]: For program point L9527(lines 9527 9529) no Hoare annotation was computed. [2021-11-20 07:22:57,111 INFO L858 garLoopResultBuilder]: For program point L9548(lines 9548 9551) no Hoare annotation was computed. [2021-11-20 07:22:57,112 INFO L858 garLoopResultBuilder]: For program point L9573(lines 9573 9575) no Hoare annotation was computed. [2021-11-20 07:22:57,112 INFO L858 garLoopResultBuilder]: For program point L9573-2(lines 9573 9575) no Hoare annotation was computed. [2021-11-20 07:22:57,112 INFO L861 garLoopResultBuilder]: At program point L9511(line 9511) the Hoare annotation is: true [2021-11-20 07:22:57,112 INFO L858 garLoopResultBuilder]: For program point L9511-1(line 9511) no Hoare annotation was computed. [2021-11-20 07:22:57,112 INFO L861 garLoopResultBuilder]: At program point hash_table_state_is_validENTRY(lines 10017 10064) the Hoare annotation is: true [2021-11-20 07:22:57,113 INFO L861 garLoopResultBuilder]: At program point L10045(line 10045) the Hoare annotation is: true [2021-11-20 07:22:57,113 INFO L858 garLoopResultBuilder]: For program point L10045-1(line 10045) no Hoare annotation was computed. [2021-11-20 07:22:57,113 INFO L858 garLoopResultBuilder]: For program point hash_table_state_is_validEXIT(lines 10017 10064) no Hoare annotation was computed. [2021-11-20 07:22:57,113 INFO L858 garLoopResultBuilder]: For program point hash_table_state_is_validFINAL(lines 10017 10064) no Hoare annotation was computed. [2021-11-20 07:22:57,113 INFO L858 garLoopResultBuilder]: For program point L10019(lines 10019 10023) no Hoare annotation was computed. [2021-11-20 07:22:57,114 INFO L858 garLoopResultBuilder]: For program point L9131(lines 9131 9139) no Hoare annotation was computed. [2021-11-20 07:22:57,114 INFO L861 garLoopResultBuilder]: At program point s_safe_eq_checkENTRY(lines 9121 9142) the Hoare annotation is: true [2021-11-20 07:22:57,114 INFO L858 garLoopResultBuilder]: For program point L9125(lines 9125 9129) no Hoare annotation was computed. [2021-11-20 07:22:57,114 INFO L861 garLoopResultBuilder]: At program point L9141(line 9141) the Hoare annotation is: true [2021-11-20 07:22:57,114 INFO L858 garLoopResultBuilder]: For program point L9141-1(line 9141) no Hoare annotation was computed. [2021-11-20 07:22:57,115 INFO L858 garLoopResultBuilder]: For program point s_safe_eq_checkFINAL(lines 9121 9142) no Hoare annotation was computed. [2021-11-20 07:22:57,115 INFO L858 garLoopResultBuilder]: For program point s_safe_eq_checkEXIT(lines 9121 9142) no Hoare annotation was computed. [2021-11-20 07:22:57,115 INFO L861 garLoopResultBuilder]: At program point L9173(line 9173) the Hoare annotation is: true [2021-11-20 07:22:57,115 INFO L858 garLoopResultBuilder]: For program point L9173-1(line 9173) no Hoare annotation was computed. [2021-11-20 07:22:57,115 INFO L858 garLoopResultBuilder]: For program point L9173-2(lines 9173 9177) no Hoare annotation was computed. [2021-11-20 07:22:57,116 INFO L861 garLoopResultBuilder]: At program point s_alloc_stateENTRY(lines 9171 9190) the Hoare annotation is: true [2021-11-20 07:22:57,116 INFO L861 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2021-11-20 07:22:57,116 INFO L861 garLoopResultBuilder]: At program point L7020(lines 7001 7021) the Hoare annotation is: true [2021-11-20 07:22:57,116 INFO L858 garLoopResultBuilder]: For program point L7016-1(line 7016) no Hoare annotation was computed. [2021-11-20 07:22:57,116 INFO L861 garLoopResultBuilder]: At program point L7016(line 7016) the Hoare annotation is: true [2021-11-20 07:22:57,117 INFO L858 garLoopResultBuilder]: For program point L7018-1(line 7018) no Hoare annotation was computed. [2021-11-20 07:22:57,117 INFO L861 garLoopResultBuilder]: At program point L7010(line 7010) the Hoare annotation is: true [2021-11-20 07:22:57,117 INFO L858 garLoopResultBuilder]: For program point L7010-2(lines 7010 7014) no Hoare annotation was computed. [2021-11-20 07:22:57,117 INFO L858 garLoopResultBuilder]: For program point s_alloc_stateEXIT(lines 9171 9190) no Hoare annotation was computed. [2021-11-20 07:22:57,117 INFO L858 garLoopResultBuilder]: For program point L7010-1(line 7010) no Hoare annotation was computed. [2021-11-20 07:22:57,117 INFO L861 garLoopResultBuilder]: At program point L7002(line 7002) the Hoare annotation is: true [2021-11-20 07:22:57,118 INFO L858 garLoopResultBuilder]: For program point L7004-1(line 7004) no Hoare annotation was computed. [2021-11-20 07:22:57,118 INFO L861 garLoopResultBuilder]: At program point L7004(line 7004) the Hoare annotation is: true [2021-11-20 07:22:57,118 INFO L858 garLoopResultBuilder]: For program point L9182(lines 9182 9186) no Hoare annotation was computed. [2021-11-20 07:22:57,118 INFO L858 garLoopResultBuilder]: For program point L7002-2(line 7002) no Hoare annotation was computed. [2021-11-20 07:22:57,118 INFO L861 garLoopResultBuilder]: At program point L7002-1(line 7002) the Hoare annotation is: true [2021-11-20 07:22:57,119 INFO L858 garLoopResultBuilder]: For program point L7017-2(lines 7017 7019) no Hoare annotation was computed. [2021-11-20 07:22:57,119 INFO L858 garLoopResultBuilder]: For program point L7017(lines 7017 7019) no Hoare annotation was computed. [2021-11-20 07:22:57,119 INFO L858 garLoopResultBuilder]: For program point s_alloc_stateFINAL(lines 9171 9190) no Hoare annotation was computed. [2021-11-20 07:22:57,119 INFO L861 garLoopResultBuilder]: At program point L9437-1(line 9437) the Hoare annotation is: true [2021-11-20 07:22:57,119 INFO L858 garLoopResultBuilder]: For program point L9437-2(line 9437) no Hoare annotation was computed. [2021-11-20 07:22:57,120 INFO L861 garLoopResultBuilder]: At program point L9437-3(lines 9437 9439) the Hoare annotation is: true [2021-11-20 07:22:57,120 INFO L861 garLoopResultBuilder]: At program point L9478-5(lines 9433 9482) the Hoare annotation is: true [2021-11-20 07:22:57,120 INFO L858 garLoopResultBuilder]: For program point L9478-6(lines 9478 9481) no Hoare annotation was computed. [2021-11-20 07:22:57,120 INFO L861 garLoopResultBuilder]: At program point L9462-2(lines 9448 9476) the Hoare annotation is: true [2021-11-20 07:22:57,120 INFO L858 garLoopResultBuilder]: For program point L9462(lines 9462 9475) no Hoare annotation was computed. [2021-11-20 07:22:57,121 INFO L861 garLoopResultBuilder]: At program point s_emplace_itemENTRY(lines 9430 9482) the Hoare annotation is: true [2021-11-20 07:22:57,121 INFO L858 garLoopResultBuilder]: For program point s_emplace_itemFINAL(lines 9430 9482) no Hoare annotation was computed. [2021-11-20 07:22:57,121 INFO L861 garLoopResultBuilder]: At program point L9434(line 9434) the Hoare annotation is: true [2021-11-20 07:22:57,121 INFO L861 garLoopResultBuilder]: At program point L9434-1(line 9434) the Hoare annotation is: true [2021-11-20 07:22:57,121 INFO L858 garLoopResultBuilder]: For program point L9434-2(line 9434) no Hoare annotation was computed. [2021-11-20 07:22:57,122 INFO L858 garLoopResultBuilder]: For program point L9464(lines 9464 9466) no Hoare annotation was computed. [2021-11-20 07:22:57,122 INFO L858 garLoopResultBuilder]: For program point L9464-2(lines 9464 9466) no Hoare annotation was computed. [2021-11-20 07:22:57,122 INFO L858 garLoopResultBuilder]: For program point s_emplace_itemEXIT(lines 9430 9482) no Hoare annotation was computed. [2021-11-20 07:22:57,122 INFO L858 garLoopResultBuilder]: For program point L9448-1(lines 9448 9476) no Hoare annotation was computed. [2021-11-20 07:22:57,122 INFO L858 garLoopResultBuilder]: For program point L9436(lines 9436 9440) no Hoare annotation was computed. [2021-11-20 07:22:57,123 INFO L858 garLoopResultBuilder]: For program point L9436-1(lines 9436 9440) no Hoare annotation was computed. [2021-11-20 07:22:57,123 INFO L858 garLoopResultBuilder]: For program point L9478-1(line 9478) no Hoare annotation was computed. [2021-11-20 07:22:57,123 INFO L861 garLoopResultBuilder]: At program point L9478-3(line 9478) the Hoare annotation is: true [2021-11-20 07:22:57,123 INFO L858 garLoopResultBuilder]: For program point L9478-4(line 9478) no Hoare annotation was computed. [2021-11-20 07:22:57,123 INFO L858 garLoopResultBuilder]: For program point L9478(line 9478) no Hoare annotation was computed. [2021-11-20 07:22:57,123 INFO L858 garLoopResultBuilder]: For program point L9338(lines 9338 9340) no Hoare annotation was computed. [2021-11-20 07:22:57,124 INFO L858 garLoopResultBuilder]: For program point L9330(lines 9330 9332) no Hoare annotation was computed. [2021-11-20 07:22:57,124 INFO L858 garLoopResultBuilder]: For program point L9338-2(lines 9338 9340) no Hoare annotation was computed. [2021-11-20 07:22:57,124 INFO L858 garLoopResultBuilder]: For program point L9388(lines 9388 9396) no Hoare annotation was computed. [2021-11-20 07:22:57,124 INFO L858 garLoopResultBuilder]: For program point L9330-2(lines 9330 9332) no Hoare annotation was computed. [2021-11-20 07:22:57,124 INFO L858 garLoopResultBuilder]: For program point L9372(lines 9372 9375) no Hoare annotation was computed. [2021-11-20 07:22:57,125 INFO L858 garLoopResultBuilder]: For program point s_find_entryFINAL(lines 9321 9346) no Hoare annotation was computed. [2021-11-20 07:22:57,125 INFO L858 garLoopResultBuilder]: For program point s_find_entryEXIT(lines 9321 9346) no Hoare annotation was computed. [2021-11-20 07:22:57,125 INFO L861 garLoopResultBuilder]: At program point s_find_entryENTRY(lines 9321 9346) the Hoare annotation is: true [2021-11-20 07:22:57,125 INFO L858 garLoopResultBuilder]: For program point L9377-4(lines 9377 9380) no Hoare annotation was computed. [2021-11-20 07:22:57,125 INFO L858 garLoopResultBuilder]: For program point L9402(lines 9402 9404) no Hoare annotation was computed. [2021-11-20 07:22:57,126 INFO L858 garLoopResultBuilder]: For program point L9377(line 9377) no Hoare annotation was computed. [2021-11-20 07:22:57,126 INFO L861 garLoopResultBuilder]: At program point L9377-1(line 9377) the Hoare annotation is: true [2021-11-20 07:22:57,126 INFO L858 garLoopResultBuilder]: For program point L9377-2(line 9377) no Hoare annotation was computed. [2021-11-20 07:22:57,126 INFO L861 garLoopResultBuilder]: At program point L9406(lines 9348 9407) the Hoare annotation is: true [2021-11-20 07:22:57,126 INFO L861 garLoopResultBuilder]: At program point L9365-2(lines 9365 9399) the Hoare annotation is: true [2021-11-20 07:22:57,127 INFO L858 garLoopResultBuilder]: For program point L9365-3(lines 9365 9399) no Hoare annotation was computed. [2021-11-20 07:22:57,127 INFO L858 garLoopResultBuilder]: For program point L9402-2(lines 9402 9404) no Hoare annotation was computed. [2021-11-20 07:22:57,127 INFO L858 garLoopResultBuilder]: For program point L9337-4(lines 9337 9343) no Hoare annotation was computed. [2021-11-20 07:22:57,127 INFO L858 garLoopResultBuilder]: For program point L9337(line 9337) no Hoare annotation was computed. [2021-11-20 07:22:57,127 INFO L861 garLoopResultBuilder]: At program point L9337-1(line 9337) the Hoare annotation is: true [2021-11-20 07:22:57,128 INFO L858 garLoopResultBuilder]: For program point L9337-2(line 9337) no Hoare annotation was computed. [2021-11-20 07:22:57,128 INFO L858 garLoopResultBuilder]: For program point L9329(lines 9329 9335) no Hoare annotation was computed. [2021-11-20 07:22:57,128 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-20 07:22:57,128 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-20 07:22:57,128 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-20 07:22:57,129 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-20 07:22:57,129 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)|)) [2021-11-20 07:22:57,129 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-11-20 07:22:57,129 INFO L858 garLoopResultBuilder]: For program point L7385(lines 7385 7387) no Hoare annotation was computed. [2021-11-20 07:22:57,129 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-11-20 07:22:57,129 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6950 6952) no Hoare annotation was computed. [2021-11-20 07:22:57,130 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6950 6952) no Hoare annotation was computed. [2021-11-20 07:22:57,130 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6950 6952) the Hoare annotation is: true [2021-11-20 07:22:57,130 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|))) [2021-11-20 07:22:57,130 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2021-11-20 07:22:57,130 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2021-11-20 07:22:57,131 INFO L858 garLoopResultBuilder]: For program point aws_is_power_of_twoFINAL(lines 2626 2631) no Hoare annotation was computed. [2021-11-20 07:22:57,131 INFO L858 garLoopResultBuilder]: For program point aws_is_power_of_twoEXIT(lines 2626 2631) no Hoare annotation was computed. [2021-11-20 07:22:57,131 INFO L861 garLoopResultBuilder]: At program point aws_is_power_of_twoENTRY(lines 2626 2631) the Hoare annotation is: true [2021-11-20 07:22:57,131 INFO L854 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: (let ((.cse1 (< 0 |#StackHeapBarrier|))) (let ((.cse0 (or (and (= ~tl_last_error~0 |old(~tl_last_error~0)|) .cse1) (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)|) .cse1)))) (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|)) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_13| Int)) (and (= (select |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_13|) 0) (= (store |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_13| 0) |#valid|))) .cse0) (not .cse1) (and (<= (+ |aws_add_size_checked_aws_add_u64_checked_#res#1| 1) 0) .cse0)))) [2021-11-20 07:22:57,131 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|))) [2021-11-20 07:22:57,132 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|))) [2021-11-20 07:22:57,132 INFO L858 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2021-11-20 07:22:57,132 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)|))) [2021-11-20 07:22:57,132 INFO L858 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2021-11-20 07:22:57,133 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedFINAL(lines 2613 2621) no Hoare annotation was computed. [2021-11-20 07:22:57,133 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2021-11-20 07:22:57,133 INFO L858 garLoopResultBuilder]: For program point L6815-1(line 6815) no Hoare annotation was computed. [2021-11-20 07:22:57,133 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|)) [2021-11-20 07:22:57,133 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|)) [2021-11-20 07:22:57,134 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|)) [2021-11-20 07:22:57,134 INFO L861 garLoopResultBuilder]: At program point L10176(line 10176) the Hoare annotation is: true [2021-11-20 07:22:57,134 INFO L858 garLoopResultBuilder]: For program point L6815-3(line 6815) no Hoare annotation was computed. [2021-11-20 07:22:57,134 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 (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|) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_13| Int) (|v_hash_table_state_required_bytes_~#elemsize~0.base_15| Int)) (and (= (select |#valid| |v_hash_table_state_required_bytes_~#elemsize~0.base_15|) 0) (= (select |#valid| |v___CPROVER_overflow_mult_~#c~1.base_13|) 0) (not (= |v_hash_table_state_required_bytes_~#elemsize~0.base_15| |v___CPROVER_overflow_mult_~#c~1.base_13|)))) (= (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) (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))) [2021-11-20 07:22:57,135 INFO L858 garLoopResultBuilder]: For program point L10135-2(line 10135) no Hoare annotation was computed. [2021-11-20 07:22:57,135 INFO L858 garLoopResultBuilder]: For program point L6840-1(line 6840) no Hoare annotation was computed. [2021-11-20 07:22:57,135 INFO L858 garLoopResultBuilder]: For program point L10164(line 10164) no Hoare annotation was computed. [2021-11-20 07:22:57,135 INFO L854 garLoopResultBuilder]: At program point L6840(line 6840) the Hoare annotation is: false [2021-11-20 07:22:57,135 INFO L854 garLoopResultBuilder]: At program point L10164-2(line 10164) the Hoare annotation is: false [2021-11-20 07:22:57,135 INFO L854 garLoopResultBuilder]: At program point L10135(line 10135) the Hoare annotation is: false [2021-11-20 07:22:57,136 INFO L854 garLoopResultBuilder]: At program point L10135-1(line 10135) the Hoare annotation is: false [2021-11-20 07:22:57,136 INFO L854 garLoopResultBuilder]: At program point L10156-1(lines 10156 10157) the Hoare annotation is: false [2021-11-20 07:22:57,136 INFO L858 garLoopResultBuilder]: For program point L10164-3(line 10164) no Hoare annotation was computed. [2021-11-20 07:22:57,136 INFO L858 garLoopResultBuilder]: For program point L10160(lines 10160 10174) no Hoare annotation was computed. [2021-11-20 07:22:57,136 INFO L858 garLoopResultBuilder]: For program point L10160-1(lines 10160 10174) no Hoare annotation was computed. [2021-11-20 07:22:57,137 INFO L854 garLoopResultBuilder]: At program point L10173(line 10173) the Hoare annotation is: false [2021-11-20 07:22:57,137 INFO L858 garLoopResultBuilder]: For program point L6816-1(line 6816) no Hoare annotation was computed. [2021-11-20 07:22:57,137 INFO L858 garLoopResultBuilder]: For program point L10173-1(line 10173) no Hoare annotation was computed. [2021-11-20 07:22:57,137 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:22:57,137 INFO L854 garLoopResultBuilder]: At program point L6816(line 6816) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base|) 0))) (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|)) (= (* 24 |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1|) (+ .cse0 29629528)) (= .cse0 |ULTIMATE.start_ensure_allocated_hash_table_#t~mem551#1|) (= (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|) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_13| Int) (|v_hash_table_state_required_bytes_~#elemsize~0.base_15| Int)) (and (= (select |#valid| |v_hash_table_state_required_bytes_~#elemsize~0.base_15|) 0) (= (select |#valid| |v___CPROVER_overflow_mult_~#c~1.base_13|) 0) (not (= |v_hash_table_state_required_bytes_~#elemsize~0.base_15| |v___CPROVER_overflow_mult_~#c~1.base_13|)))) (= (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|))) [2021-11-20 07:22:57,138 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 07:22:57,138 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:22:57,138 INFO L858 garLoopResultBuilder]: For program point L6812-1(line 6812) no Hoare annotation was computed. [2021-11-20 07:22:57,138 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) (< |#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|)) [2021-11-20 07:22:57,138 INFO L858 garLoopResultBuilder]: For program point L10132(lines 10132 10175) no Hoare annotation was computed. [2021-11-20 07:22:57,139 INFO L858 garLoopResultBuilder]: For program point L6841-1(line 6841) no Hoare annotation was computed. [2021-11-20 07:22:57,139 INFO L854 garLoopResultBuilder]: At program point L6841(line 6841) the Hoare annotation is: false [2021-11-20 07:22:57,139 INFO L854 garLoopResultBuilder]: At program point L6833(lines 6831 6834) the Hoare annotation is: false [2021-11-20 07:22:57,139 INFO L858 garLoopResultBuilder]: For program point L10161(lines 10161 10167) no Hoare annotation was computed. [2021-11-20 07:22:57,139 INFO L858 garLoopResultBuilder]: For program point L10161-2(lines 10160 10172) no Hoare annotation was computed. [2021-11-20 07:22:57,140 INFO L854 garLoopResultBuilder]: At program point L10141(line 10141) the Hoare annotation is: false [2021-11-20 07:22:57,140 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:22:57,140 INFO L858 garLoopResultBuilder]: For program point L10141-1(line 10141) no Hoare annotation was computed. [2021-11-20 07:22:57,140 INFO L854 garLoopResultBuilder]: At program point L10170(line 10170) the Hoare annotation is: false [2021-11-20 07:22:57,140 INFO L858 garLoopResultBuilder]: For program point L6809(lines 6809 6819) no Hoare annotation was computed. [2021-11-20 07:22:57,140 INFO L854 garLoopResultBuilder]: At program point L10162(line 10162) the Hoare annotation is: false [2021-11-20 07:22:57,141 INFO L854 garLoopResultBuilder]: At program point L10170-1(line 10170) the Hoare annotation is: false [2021-11-20 07:22:57,141 INFO L858 garLoopResultBuilder]: For program point L10170-2(line 10170) no Hoare annotation was computed. [2021-11-20 07:22:57,141 INFO L858 garLoopResultBuilder]: For program point L10154(lines 10154 10155) no Hoare annotation was computed. [2021-11-20 07:22:57,141 INFO L858 garLoopResultBuilder]: For program point L10162-1(line 10162) no Hoare annotation was computed. [2021-11-20 07:22:57,141 INFO L858 garLoopResultBuilder]: For program point L10154-2(lines 10154 10158) no Hoare annotation was computed. [2021-11-20 07:22:57,142 INFO L858 garLoopResultBuilder]: For program point L10154-3(lines 10154 10158) no Hoare annotation was computed. [2021-11-20 07:22:57,142 INFO L854 garLoopResultBuilder]: At program point L10138(line 10138) the Hoare annotation is: false [2021-11-20 07:22:57,142 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|)) [2021-11-20 07:22:57,142 INFO L854 garLoopResultBuilder]: At program point L6843(lines 6837 6844) the Hoare annotation is: false [2021-11-20 07:22:57,142 INFO L858 garLoopResultBuilder]: For program point L6839-1(line 6839) no Hoare annotation was computed. [2021-11-20 07:22:57,143 INFO L854 garLoopResultBuilder]: At program point L6839(line 6839) the Hoare annotation is: false [2021-11-20 07:22:57,143 INFO L858 garLoopResultBuilder]: For program point L6810-1(line 6810) no Hoare annotation was computed. [2021-11-20 07:22:57,143 INFO L858 garLoopResultBuilder]: For program point L10138-1(line 10138) no Hoare annotation was computed. [2021-11-20 07:22:57,143 INFO L858 garLoopResultBuilder]: For program point L10159-2(line 10159) no Hoare annotation was computed. [2021-11-20 07:22:57,143 INFO L854 garLoopResultBuilder]: At program point L10159(line 10159) the Hoare annotation is: false [2021-11-20 07:22:57,144 INFO L854 garLoopResultBuilder]: At program point L10159-1(line 10159) the Hoare annotation is: false [2021-11-20 07:22:57,144 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-20 07:22:57,144 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-20 07:22:57,144 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-20 07:22:57,144 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-20 07:22:57,144 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-20 07:22:57,145 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-20 07:22:57,149 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] [2021-11-20 07:22:57,151 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:22:57,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:57,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:57,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:57,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:57,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:57,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:57,206 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:57,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:57,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:57,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:57,207 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:57,208 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:57,209 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:57,210 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:57,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:57,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:57,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:57,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:57,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:57,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:57,212 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:57,212 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:57,213 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:57,213 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:57,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:57,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:57,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:57,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:57,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:57,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:57,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:57,216 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:57,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:22:57 BoogieIcfgContainer [2021-11-20 07:22:57,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:22:57,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:22:57,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:22:57,219 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:22:57,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:20:06" (3/4) ... [2021-11-20 07:22:57,223 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:22:57,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure uninterpreted_equals [2021-11-20 07:22:57,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-20 07:22:57,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_uninterpreted_equals [2021-11-20 07:22:57,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_uninterpreted_hasher [2021-11-20 07:22:57,232 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_is_valid [2021-11-20 07:22:57,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-20 07:22:57,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2021-11-20 07:22:57,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_required_bytes [2021-11-20 07:22:57,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_calloc [2021-11-20 07:22:57,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_update_template_size [2021-11-20 07:22:57,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_allocator_is_valid [2021-11-20 07:22:57,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_hash_keys_eq [2021-11-20 07:22:57,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2021-11-20 07:22:57,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-20 07:22:57,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_hash_for [2021-11-20 07:22:57,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2021-11-20 07:22:57,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:22:57,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_create [2021-11-20 07:22:57,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_is_valid [2021-11-20 07:22:57,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_safe_eq_check [2021-11-20 07:22:57,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_alloc_state [2021-11-20 07:22:57,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_emplace_item [2021-11-20 07:22:57,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_find_entry [2021-11-20 07:22:57,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-20 07:22:57,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-11-20 07:22:57,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-20 07:22:57,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2021-11-20 07:22:57,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_power_of_two [2021-11-20 07:22:57,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2021-11-20 07:22:57,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-20 07:22:57,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 256 nodes and edges [2021-11-20 07:22:57,291 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2021-11-20 07:22:57,295 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2021-11-20 07:22:57,298 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-20 07:22:57,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-20 07:22:57,304 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-20 07:22:57,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:22:57,309 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:22:57,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\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_$Pointer$)) && \result + 1 <= 0) || !(0 < unknown-#StackHeapBarrier-unknown)) || ((((\exists v___CPROVER_overflow_mult_~#c~1.base_13 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_13] == 0 && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_13 := 0] == \valid) && tl_last_error == \old(tl_last_error)) && \old(a) * \old(b) == unknown-#memory_int-unknown[r][r]) && \result == 0) [2021-11-20 07:22:57,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-#memory_int-unknown[r][r] == \old(b) + \old(a) && (\exists v___CPROVER_overflow_mult_~#c~1.base_13 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_13] == 0 && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_13 := 0] == \valid)) && ((tl_last_error == \old(tl_last_error) && 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_$Pointer$)) && 0 < unknown-#StackHeapBarrier-unknown))) || !(0 < unknown-#StackHeapBarrier-unknown)) || (\result + 1 <= 0 && ((tl_last_error == \old(tl_last_error) && 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_$Pointer$)) && 0 < unknown-#StackHeapBarrier-unknown))) [2021-11-20 07:22:58,438 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:22:58,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:22:58,439 INFO L158 Benchmark]: Toolchain (without parser) took 179741.12ms. Allocated memory was 104.9MB in the beginning and 385.9MB in the end (delta: 281.0MB). Free memory was 75.4MB in the beginning and 68.7MB in the end (delta: 6.7MB). Peak memory consumption was 290.0MB. Max. memory is 16.1GB. [2021-11-20 07:22:58,439 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:22:58,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4073.46ms. Allocated memory was 104.9MB in the beginning and 188.7MB in the end (delta: 83.9MB). Free memory was 75.1MB in the beginning and 126.2MB in the end (delta: -51.1MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2021-11-20 07:22:58,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 275.96ms. Allocated memory is still 188.7MB. Free memory was 126.2MB in the beginning and 112.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 07:22:58,441 INFO L158 Benchmark]: Boogie Preprocessor took 233.33ms. Allocated memory is still 188.7MB. Free memory was 112.5MB in the beginning and 102.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:22:58,441 INFO L158 Benchmark]: RCFGBuilder took 2718.78ms. Allocated memory is still 188.7MB. Free memory was 102.1MB in the beginning and 110.4MB in the end (delta: -8.3MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2021-11-20 07:22:58,442 INFO L158 Benchmark]: TraceAbstraction took 171210.17ms. Allocated memory was 188.7MB in the beginning and 385.9MB in the end (delta: 197.1MB). Free memory was 109.3MB in the beginning and 173.5MB in the end (delta: -64.2MB). Peak memory consumption was 218.9MB. Max. memory is 16.1GB. [2021-11-20 07:22:58,443 INFO L158 Benchmark]: Witness Printer took 1219.94ms. Allocated memory is still 385.9MB. Free memory was 173.5MB in the beginning and 68.7MB in the end (delta: 104.8MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. [2021-11-20 07:22:58,445 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4073.46ms. Allocated memory was 104.9MB in the beginning and 188.7MB in the end (delta: 83.9MB). Free memory was 75.1MB in the beginning and 126.2MB in the end (delta: -51.1MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 275.96ms. Allocated memory is still 188.7MB. Free memory was 126.2MB in the beginning and 112.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 233.33ms. Allocated memory is still 188.7MB. Free memory was 112.5MB in the beginning and 102.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2718.78ms. Allocated memory is still 188.7MB. Free memory was 102.1MB in the beginning and 110.4MB in the end (delta: -8.3MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * TraceAbstraction took 171210.17ms. Allocated memory was 188.7MB in the beginning and 385.9MB in the end (delta: 197.1MB). Free memory was 109.3MB in the beginning and 173.5MB in the end (delta: -64.2MB). Peak memory consumption was 218.9MB. Max. memory is 16.1GB. * Witness Printer took 1219.94ms. Allocated memory is still 385.9MB. Free memory was 173.5MB in the beginning and 68.7MB in the end (delta: 104.8MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,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___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,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___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,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 * 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: 171.1s, OverallIterations: 20, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 57.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6489 SdHoareTripleChecker+Valid, 53.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5786 mSDsluCounter, 44309 SdHoareTripleChecker+Invalid, 48.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2877 IncrementalHoareTripleChecker+Unchecked, 36029 mSDsCounter, 3344 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22414 IncrementalHoareTripleChecker+Invalid, 28635 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3344 mSolverCounterUnsat, 8280 mSDtfsCounter, 22414 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2508 GetRequests, 2202 SyntacticMatches, 9 SemanticMatches, 297 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1361 ImplicationChecksByTransitivity, 54.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=533occurred in iteration=19, InterpolantAutomatonStates: 236, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 20 MinimizatonAttempts, 1777 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 134 LocationsWithAnnotation, 3531 PreInvPairs, 3569 NumberOfFragments, 942 HoareAnnotationTreeSize, 3531 FomulaSimplifications, 91488 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 134 FomulaSimplificationsInter, 2421 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 36.9s SatisfiabilityAnalysisTime, 68.7s InterpolantComputationTime, 3877 NumberOfCodeBlocks, 3877 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3907 ConstructedInterpolants, 55 QuantifiedInterpolants, 8440 SizeOfPredicates, 74 NumberOfNonLiveVariables, 19980 ConjunctsInSsa, 480 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 4500/4558 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 [2021-11-20 07:22:58,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:58,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:58,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:58,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:58,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:58,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:58,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:58,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:58,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:58,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:58,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:58,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] Derived loop invariant: (((((\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_$Pointer$)) && \result + 1 <= 0) || !(0 < unknown-#StackHeapBarrier-unknown)) || ((((\exists v___CPROVER_overflow_mult_~#c~1.base_13 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_13] == 0 && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_13 := 0] == \valid) && tl_last_error == \old(tl_last_error)) && \old(a) * \old(b) == unknown-#memory_int-unknown[r][r]) && \result == 0) - InvariantResult [Line: 2541]: Loop Invariant [2021-11-20 07:22:58,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:58,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:58,467 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:58,467 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:58,467 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:58,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:58,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:58,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:58,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:58,469 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:58,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:58,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-20 07:22:58,470 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:58,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:58,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:58,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:58,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:58,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-20 07:22:58,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-20 07:22:58,472 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) && (\exists v___CPROVER_overflow_mult_~#c~1.base_13 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_13] == 0 && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_13 := 0] == \valid)) && ((tl_last_error == \old(tl_last_error) && 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_$Pointer$)) && 0 < unknown-#StackHeapBarrier-unknown))) || !(0 < unknown-#StackHeapBarrier-unknown)) || (\result + 1 <= 0 && ((tl_last_error == \old(tl_last_error) && 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_$Pointer$)) && 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! [2021-11-20 07:22:58,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c025425-10e9-41d7-86ea-01d7e8d05fb4/bin/uautomizer-DQz5hQGWxF/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