./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/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_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL --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-0f8a17c [2021-11-19 05:37:40,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:37:40,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:37:40,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:37:40,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:37:40,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:37:40,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:37:40,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:37:40,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:37:40,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:37:40,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:37:40,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:37:40,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:37:40,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:37:40,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:37:40,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:37:40,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:37:40,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:37:40,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:37:40,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:37:40,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:37:40,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:37:40,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:37:40,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:37:40,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:37:40,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:37:40,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:37:40,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:37:40,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:37:40,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:37:40,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:37:40,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:37:40,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:37:40,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:37:40,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:37:40,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:37:40,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:37:40,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:37:40,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:37:40,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:37:40,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:37:40,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-19 05:37:40,777 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:37:40,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:37:40,778 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:37:40,778 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:37:40,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:37:40,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:37:40,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:37:40,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:37:40,787 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:37:40,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:37:40,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:37:40,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:37:40,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:37:40,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:37:40,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:37:40,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:37:40,789 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:37:40,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:37:40,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:37:40,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:37:40,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:37:40,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:37:40,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:37:40,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:37:40,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:37:40,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:37:40,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:37:40,792 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:37:40,792 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:37:40,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:37:40,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:37:40,794 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_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a871e941a14cf19147765419aa3746af2f9add859ed1f61f31f704f97208fdb0 [2021-11-19 05:37:41,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:37:41,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:37:41,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:37:41,140 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:37:41,142 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:37:41,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2021-11-19 05:37:41,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/data/2e8352c35/dd2533b3255145688c9e51803b482e73/FLAG399997931 [2021-11-19 05:37:42,169 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:37:42,171 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2021-11-19 05:37:42,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/data/2e8352c35/dd2533b3255145688c9e51803b482e73/FLAG399997931 [2021-11-19 05:37:42,611 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/data/2e8352c35/dd2533b3255145688c9e51803b482e73 [2021-11-19 05:37:42,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:37:42,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:37:42,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:37:42,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:37:42,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:37:42,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:37:42" (1/1) ... [2021-11-19 05:37:42,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c406004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:42, skipping insertion in model container [2021-11-19 05:37:42,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:37:42" (1/1) ... [2021-11-19 05:37:42,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:37:42,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:37:43,090 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_14e8a8bb-1e7c-4137-89f0-677aafc85932/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4495,4508] [2021-11-19 05:37:43,098 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_14e8a8bb-1e7c-4137-89f0-677aafc85932/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4555,4568] [2021-11-19 05:37:43,126 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 05:37:43,132 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 05:37:44,265 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,265 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,266 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,267 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,268 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,284 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,285 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,287 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,288 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,290 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,292 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,293 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,293 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:44,900 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 05:37:44,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 05:37:44,903 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 05:37:44,904 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 05:37:44,905 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 05:37:44,906 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 05:37:44,907 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 05:37:44,908 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 05:37:44,909 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 05:37:44,921 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 05:37:45,140 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 05:37:45,551 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,551 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,573 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,574 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,580 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,580 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,594 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,595 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,595 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,596 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,596 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,597 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,597 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,644 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:37:45,698 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:37:45,725 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_14e8a8bb-1e7c-4137-89f0-677aafc85932/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4495,4508] [2021-11-19 05:37:45,725 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_14e8a8bb-1e7c-4137-89f0-677aafc85932/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4555,4568] [2021-11-19 05:37:45,727 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 05:37:45,728 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 05:37:45,765 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,766 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,766 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,767 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,767 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,773 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,773 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,774 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,774 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,775 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,776 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,776 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,777 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:45,805 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 05:37:45,806 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 05:37:45,806 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 05:37:45,807 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 05:37:45,808 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 05:37:45,808 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 05:37:45,809 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 05:37:45,810 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 05:37:45,810 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 05:37:45,811 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 05:37:45,829 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 05:37:46,001 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,002 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,012 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,013 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,017 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,018 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,035 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,036 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,037 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,037 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,038 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,040 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,041 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 05:37:46,068 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:37:46,323 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:37:46,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:46 WrapperNode [2021-11-19 05:37:46,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:37:46,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:37:46,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:37:46,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:37:46,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:46" (1/1) ... [2021-11-19 05:37:46,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:46" (1/1) ... [2021-11-19 05:37:46,537 INFO L137 Inliner]: procedures = 777, calls = 2491, calls flagged for inlining = 67, calls inlined = 21, statements flattened = 1291 [2021-11-19 05:37:46,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:37:46,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:37:46,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:37:46,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:37:46,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:46" (1/1) ... [2021-11-19 05:37:46,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:46" (1/1) ... [2021-11-19 05:37:46,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:46" (1/1) ... [2021-11-19 05:37:46,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:46" (1/1) ... [2021-11-19 05:37:46,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:46" (1/1) ... [2021-11-19 05:37:46,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:46" (1/1) ... [2021-11-19 05:37:46,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:46" (1/1) ... [2021-11-19 05:37:46,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:37:46,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:37:46,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:37:46,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:37:46,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:46" (1/1) ... [2021-11-19 05:37:46,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:37:46,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:37:46,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:37:46,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:37:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-19 05:37:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-19 05:37:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-19 05:37:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:37:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-19 05:37:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-19 05:37:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 05:37:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 05:37:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_create [2021-11-19 05:37:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_create [2021-11-19 05:37:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2021-11-19 05:37:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2021-11-19 05:37:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:37:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:37:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 05:37:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2021-11-19 05:37:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2021-11-19 05:37:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:37:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:37:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-19 05:37:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-19 05:37:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-19 05:37:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-19 05:37:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-19 05:37:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-11-19 05:37:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-11-19 05:37:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:37:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-19 05:37:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-19 05:37:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-19 05:37:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 05:37:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-19 05:37:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-19 05:37:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:37:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2021-11-19 05:37:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2021-11-19 05:37:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2021-11-19 05:37:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2021-11-19 05:37:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2021-11-19 05:37:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2021-11-19 05:37:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2021-11-19 05:37:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2021-11-19 05:37:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2021-11-19 05:37:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2021-11-19 05:37:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:37:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-11-19 05:37:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-11-19 05:37:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-19 05:37:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2021-11-19 05:37:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2021-11-19 05:37:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-19 05:37:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2021-11-19 05:37:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2021-11-19 05:37:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2021-11-19 05:37:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2021-11-19 05:37:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2021-11-19 05:37:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2021-11-19 05:37:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2021-11-19 05:37:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2021-11-19 05:37:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 05:37:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 05:37:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2021-11-19 05:37:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2021-11-19 05:37:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 05:37:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-19 05:37:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-19 05:37:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-19 05:37:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-19 05:37:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-19 05:37:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-19 05:37:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2021-11-19 05:37:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2021-11-19 05:37:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2021-11-19 05:37:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2021-11-19 05:37:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-19 05:37:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-19 05:37:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:37:47,364 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:37:47,367 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:37:47,718 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-11-19 05:37:47,762 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2021-11-19 05:37:48,465 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume !true; [2021-11-19 05:37:48,465 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !true; [2021-11-19 05:37:50,136 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:37:50,157 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:37:50,158 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-19 05:37:50,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:37:50 BoogieIcfgContainer [2021-11-19 05:37:50,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:37:50,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:37:50,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:37:50,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:37:50,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:37:42" (1/3) ... [2021-11-19 05:37:50,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78676514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:37:50, skipping insertion in model container [2021-11-19 05:37:50,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:37:46" (2/3) ... [2021-11-19 05:37:50,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78676514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:37:50, skipping insertion in model container [2021-11-19 05:37:50,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:37:50" (3/3) ... [2021-11-19 05:37:50,171 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_create_harness.i [2021-11-19 05:37:50,177 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:37:50,177 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:37:50,248 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:37:50,265 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 [2021-11-19 05:37:50,266 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:37:50,304 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) [2021-11-19 05:37:50,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-19 05:37:50,322 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:37:50,323 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] [2021-11-19 05:37:50,323 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:37:50,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:37:50,329 INFO L85 PathProgramCache]: Analyzing trace with hash -322226588, now seen corresponding path program 1 times [2021-11-19 05:37:50,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:37:50,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984131500] [2021-11-19 05:37:50,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:50,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:37:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:50,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:37:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:37:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:50,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:37:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:37:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:37:51,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:37:51,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984131500] [2021-11-19 05:37:51,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-19 05:37:51,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735116413] [2021-11-19 05:37:51,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:51,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:37:51,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:37:51,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:37:51,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 05:37:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:51,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 05:37:51,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:37:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-19 05:37:52,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:37:52,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735116413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:37:52,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:37:52,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:37:52,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956936766] [2021-11-19 05:37:52,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:37:52,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:37:52,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:37:52,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:37:52,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:37:52,102 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) [2021-11-19 05:37:52,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:37:52,206 INFO L93 Difference]: Finished difference Result 692 states and 983 transitions. [2021-11-19 05:37:52,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:37:52,213 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 [2021-11-19 05:37:52,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:37:52,237 INFO L225 Difference]: With dead ends: 692 [2021-11-19 05:37:52,237 INFO L226 Difference]: Without dead ends: 341 [2021-11-19 05:37:52,247 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 [2021-11-19 05:37:52,255 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 [2021-11-19 05:37:52,257 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] [2021-11-19 05:37:52,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-11-19 05:37:52,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2021-11-19 05:37:52,361 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) [2021-11-19 05:37:52,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 451 transitions. [2021-11-19 05:37:52,369 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 451 transitions. Word has length 124 [2021-11-19 05:37:52,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:37:52,371 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 451 transitions. [2021-11-19 05:37:52,372 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) [2021-11-19 05:37:52,373 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 451 transitions. [2021-11-19 05:37:52,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-19 05:37:52,387 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:37:52,388 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] [2021-11-19 05:37:52,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-19 05:37:52,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:37:52,611 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:37:52,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:37:52,611 INFO L85 PathProgramCache]: Analyzing trace with hash -672164438, now seen corresponding path program 1 times [2021-11-19 05:37:52,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:37:52,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076450085] [2021-11-19 05:37:52,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:52,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:37:52,701 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:37:52,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536997658] [2021-11-19 05:37:52,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:52,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:37:52,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:37:52,703 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:37:52,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 05:37:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:53,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:37:53,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:37:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-19 05:37:53,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:37:53,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:37:53,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076450085] [2021-11-19 05:37:53,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 05:37:53,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536997658] [2021-11-19 05:37:53,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536997658] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:37:53,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:37:53,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:37:53,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922362759] [2021-11-19 05:37:53,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:37:53,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:37:53,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:37:53,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:37:53,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:37:53,690 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) [2021-11-19 05:37:54,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:37:54,092 INFO L93 Difference]: Finished difference Result 668 states and 883 transitions. [2021-11-19 05:37:54,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:37:54,093 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 [2021-11-19 05:37:54,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:37:54,100 INFO L225 Difference]: With dead ends: 668 [2021-11-19 05:37:54,101 INFO L226 Difference]: Without dead ends: 341 [2021-11-19 05:37:54,102 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 [2021-11-19 05:37:54,105 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, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:37:54,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 1188 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 05:37:54,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-11-19 05:37:54,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2021-11-19 05:37:54,142 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) [2021-11-19 05:37:54,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 450 transitions. [2021-11-19 05:37:54,146 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 450 transitions. Word has length 124 [2021-11-19 05:37:54,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:37:54,147 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 450 transitions. [2021-11-19 05:37:54,148 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) [2021-11-19 05:37:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 450 transitions. [2021-11-19 05:37:54,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-19 05:37:54,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:37:54,155 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] [2021-11-19 05:37:54,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:37:54,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-19 05:37:54,371 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:37:54,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:37:54,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1014015400, now seen corresponding path program 1 times [2021-11-19 05:37:54,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:37:54,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378223308] [2021-11-19 05:37:54,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:54,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:37:54,439 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:37:54,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [117972214] [2021-11-19 05:37:54,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:54,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:37:54,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:37:54,441 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:37:54,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 05:37:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:54,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 2304 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 05:37:54,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:37:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-11-19 05:37:55,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:37:55,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:37:55,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378223308] [2021-11-19 05:37:55,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 05:37:55,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117972214] [2021-11-19 05:37:55,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117972214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:37:55,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:37:55,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 05:37:55,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103365469] [2021-11-19 05:37:55,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:37:55,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:37:55,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:37:55,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:37:55,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:37:55,291 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) [2021-11-19 05:37:55,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:37:55,351 INFO L93 Difference]: Finished difference Result 678 states and 899 transitions. [2021-11-19 05:37:55,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:37:55,356 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 [2021-11-19 05:37:55,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:37:55,360 INFO L225 Difference]: With dead ends: 678 [2021-11-19 05:37:55,361 INFO L226 Difference]: Without dead ends: 346 [2021-11-19 05:37:55,362 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 [2021-11-19 05:37:55,365 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 [2021-11-19 05:37:55,366 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] [2021-11-19 05:37:55,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-11-19 05:37:55,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2021-11-19 05:37:55,391 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) [2021-11-19 05:37:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 458 transitions. [2021-11-19 05:37:55,397 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 458 transitions. Word has length 124 [2021-11-19 05:37:55,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:37:55,399 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 458 transitions. [2021-11-19 05:37:55,400 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) [2021-11-19 05:37:55,400 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 458 transitions. [2021-11-19 05:37:55,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-19 05:37:55,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:37:55,402 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] [2021-11-19 05:37:55,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:37:55,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:37:55,619 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:37:55,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:37:55,619 INFO L85 PathProgramCache]: Analyzing trace with hash 2006309942, now seen corresponding path program 1 times [2021-11-19 05:37:55,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:37:55,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865217922] [2021-11-19 05:37:55,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:55,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:37:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:55,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:37:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:37:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:37:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:37:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:37:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:37:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:37:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:37:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:37:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:37:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:37:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:37:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-19 05:37:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-19 05:37:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:37:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:37:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:37:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-19 05:37:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 05:37:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-19 05:37:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:56,520 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-19 05:37:56,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:37:56,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865217922] [2021-11-19 05:37:56,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865217922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:37:56,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:37:56,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-19 05:37:56,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253135748] [2021-11-19 05:37:56,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:37:56,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 05:37:56,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:37:56,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 05:37:56,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:37:56,524 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) [2021-11-19 05:38:01,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:01,771 INFO L93 Difference]: Finished difference Result 754 states and 1012 transitions. [2021-11-19 05:38:01,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:38:01,772 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 [2021-11-19 05:38:01,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:01,776 INFO L225 Difference]: With dead ends: 754 [2021-11-19 05:38:01,776 INFO L226 Difference]: Without dead ends: 429 [2021-11-19 05:38:01,778 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 [2021-11-19 05:38:01,779 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 284 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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, 5.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:01,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 2144 Invalid, 2233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 2093 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-19 05:38:01,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-11-19 05:38:01,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 349. [2021-11-19 05:38:01,807 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) [2021-11-19 05:38:01,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 461 transitions. [2021-11-19 05:38:01,810 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 461 transitions. Word has length 130 [2021-11-19 05:38:01,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:01,811 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 461 transitions. [2021-11-19 05:38:01,811 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) [2021-11-19 05:38:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 461 transitions. [2021-11-19 05:38:01,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-19 05:38:01,813 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:01,813 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] [2021-11-19 05:38:01,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 05:38:01,814 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:01,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:01,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1092762838, now seen corresponding path program 1 times [2021-11-19 05:38:01,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:01,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760418663] [2021-11-19 05:38:01,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:01,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:01,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:38:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:38:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:38:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:38:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:38:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:38:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:38:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:38:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:38:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-19 05:38:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-19 05:38:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:38:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-19 05:38:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:38:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-19 05:38:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:38:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 05:38:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-19 05:38:02,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:02,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760418663] [2021-11-19 05:38:02,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760418663] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:38:02,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680439334] [2021-11-19 05:38:02,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:02,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:38:02,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:02,342 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:38:02,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 05:38:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:02,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 2344 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-19 05:38:02,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:38:04,397 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 [2021-11-19 05:38:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-19 05:38:13,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:38:13,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680439334] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:13,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:38:13,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2021-11-19 05:38:13,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255496622] [2021-11-19 05:38:13,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:13,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:38:13,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:13,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:38:13,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=175, Unknown=3, NotChecked=26, Total=240 [2021-11-19 05:38:13,998 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) [2021-11-19 05:38:15,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:15,923 INFO L93 Difference]: Finished difference Result 681 states and 900 transitions. [2021-11-19 05:38:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:38:15,933 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 [2021-11-19 05:38:15,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:15,938 INFO L225 Difference]: With dead ends: 681 [2021-11-19 05:38:15,938 INFO L226 Difference]: Without dead ends: 351 [2021-11-19 05:38:15,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=51, Invalid=222, Unknown=3, NotChecked=30, Total=306 [2021-11-19 05:38:15,941 INFO L933 BasicCegarLoop]: 444 mSDtfsCounter, 5 mSDsluCounter, 1964 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:15,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 2408 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 630 Unchecked, 1.8s Time] [2021-11-19 05:38:15,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-19 05:38:15,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-19 05:38:15,966 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) [2021-11-19 05:38:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 463 transitions. [2021-11-19 05:38:15,969 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 463 transitions. Word has length 136 [2021-11-19 05:38:15,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:15,970 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 463 transitions. [2021-11-19 05:38:15,970 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) [2021-11-19 05:38:15,971 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 463 transitions. [2021-11-19 05:38:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-19 05:38:15,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:15,973 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] [2021-11-19 05:38:16,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:16,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:38:16,191 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:16,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:16,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1043141135, now seen corresponding path program 1 times [2021-11-19 05:38:16,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:16,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334109730] [2021-11-19 05:38:16,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:16,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:38:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:38:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:38:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:38:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:38:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:38:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:38:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:38:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:38:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:38:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:38:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:38:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:38:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-19 05:38:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 05:38:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 05:38:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-19 05:38:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-19 05:38:16,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:16,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334109730] [2021-11-19 05:38:16,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334109730] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:16,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:16,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:38:16,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133713679] [2021-11-19 05:38:16,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:16,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:38:16,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:16,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:38:16,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:38:16,794 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) [2021-11-19 05:38:19,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:19,753 INFO L93 Difference]: Finished difference Result 739 states and 993 transitions. [2021-11-19 05:38:19,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:38:19,754 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 [2021-11-19 05:38:19,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:19,758 INFO L225 Difference]: With dead ends: 739 [2021-11-19 05:38:19,759 INFO L226 Difference]: Without dead ends: 433 [2021-11-19 05:38:19,760 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 [2021-11-19 05:38:19,761 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 470 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:19,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [524 Valid, 1779 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 05:38:19,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2021-11-19 05:38:19,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 353. [2021-11-19 05:38:19,809 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) [2021-11-19 05:38:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 469 transitions. [2021-11-19 05:38:19,819 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 469 transitions. Word has length 141 [2021-11-19 05:38:19,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:19,820 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 469 transitions. [2021-11-19 05:38:19,820 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) [2021-11-19 05:38:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 469 transitions. [2021-11-19 05:38:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-19 05:38:19,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:19,822 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] [2021-11-19 05:38:19,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 05:38:19,822 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:19,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:19,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1171893452, now seen corresponding path program 1 times [2021-11-19 05:38:19,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:19,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104075203] [2021-11-19 05:38:19,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:19,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:38:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:38:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:38:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:38:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:38:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:38:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:38:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:38:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:38:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:38:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:38:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:38:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:38:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-19 05:38:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 05:38:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 05:38:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-19 05:38:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:20,395 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-19 05:38:20,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:20,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104075203] [2021-11-19 05:38:20,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104075203] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:20,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:20,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:38:20,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254545685] [2021-11-19 05:38:20,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:20,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:38:20,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:20,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:38:20,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:38:20,399 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) [2021-11-19 05:38:22,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:22,976 INFO L93 Difference]: Finished difference Result 441 states and 597 transitions. [2021-11-19 05:38:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:38:22,976 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 [2021-11-19 05:38:22,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:22,981 INFO L225 Difference]: With dead ends: 441 [2021-11-19 05:38:22,981 INFO L226 Difference]: Without dead ends: 439 [2021-11-19 05:38:22,982 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 [2021-11-19 05:38:22,982 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 489 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:22,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [534 Valid, 1541 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 05:38:22,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-11-19 05:38:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 357. [2021-11-19 05:38:23,013 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) [2021-11-19 05:38:23,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 472 transitions. [2021-11-19 05:38:23,017 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 472 transitions. Word has length 146 [2021-11-19 05:38:23,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:23,018 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 472 transitions. [2021-11-19 05:38:23,018 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) [2021-11-19 05:38:23,019 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 472 transitions. [2021-11-19 05:38:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-19 05:38:23,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:23,021 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] [2021-11-19 05:38:23,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 05:38:23,022 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:23,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:23,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1112780077, now seen corresponding path program 1 times [2021-11-19 05:38:23,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:23,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556324742] [2021-11-19 05:38:23,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:23,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:38:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:38:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:38:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:38:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:38:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:38:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:38:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:38:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:38:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:38:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:38:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:38:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:38:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-19 05:38:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 05:38:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 05:38:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-19 05:38:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-19 05:38:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-19 05:38:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-19 05:38:23,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:23,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556324742] [2021-11-19 05:38:23,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556324742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:23,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:23,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:38:23,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412825822] [2021-11-19 05:38:23,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:23,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:38:23,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:23,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:38:23,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:38:23,672 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) [2021-11-19 05:38:24,897 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:27,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:27,263 INFO L93 Difference]: Finished difference Result 447 states and 603 transitions. [2021-11-19 05:38:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:38:27,264 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 [2021-11-19 05:38:27,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:27,267 INFO L225 Difference]: With dead ends: 447 [2021-11-19 05:38:27,267 INFO L226 Difference]: Without dead ends: 445 [2021-11-19 05:38:27,268 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 [2021-11-19 05:38:27,268 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 249 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:27,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 1626 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-19 05:38:27,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2021-11-19 05:38:27,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 362. [2021-11-19 05:38:27,296 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) [2021-11-19 05:38:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 477 transitions. [2021-11-19 05:38:27,300 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 477 transitions. Word has length 159 [2021-11-19 05:38:27,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:27,301 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 477 transitions. [2021-11-19 05:38:27,301 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) [2021-11-19 05:38:27,301 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 477 transitions. [2021-11-19 05:38:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-19 05:38:27,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:27,304 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] [2021-11-19 05:38:27,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 05:38:27,305 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:27,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:27,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1110933035, now seen corresponding path program 1 times [2021-11-19 05:38:27,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:27,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547947132] [2021-11-19 05:38:27,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:27,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:38:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:38:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:38:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:38:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:38:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:38:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:38:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:38:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:38:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:38:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:38:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:38:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:38:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-19 05:38:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 05:38:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 05:38:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-19 05:38:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-19 05:38:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-19 05:38:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:27,835 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-19 05:38:27,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:27,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547947132] [2021-11-19 05:38:27,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547947132] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:27,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:27,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 05:38:27,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985736801] [2021-11-19 05:38:27,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:27,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:38:27,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:27,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:38:27,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:38:27,838 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) [2021-11-19 05:38:31,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:31,093 INFO L93 Difference]: Finished difference Result 450 states and 605 transitions. [2021-11-19 05:38:31,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:38:31,094 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 [2021-11-19 05:38:31,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:31,098 INFO L225 Difference]: With dead ends: 450 [2021-11-19 05:38:31,098 INFO L226 Difference]: Without dead ends: 448 [2021-11-19 05:38:31,099 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 [2021-11-19 05:38:31,099 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, 3.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:31,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 1642 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-19 05:38:31,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-11-19 05:38:31,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 361. [2021-11-19 05:38:31,139 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) [2021-11-19 05:38:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 475 transitions. [2021-11-19 05:38:31,145 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 475 transitions. Word has length 159 [2021-11-19 05:38:31,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:31,148 INFO L470 AbstractCegarLoop]: Abstraction has 361 states and 475 transitions. [2021-11-19 05:38:31,148 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) [2021-11-19 05:38:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 475 transitions. [2021-11-19 05:38:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-19 05:38:31,153 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:31,154 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] [2021-11-19 05:38:31,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 05:38:31,154 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:31,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:31,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1362509639, now seen corresponding path program 1 times [2021-11-19 05:38:31,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:31,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257883326] [2021-11-19 05:38:31,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:31,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:38:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:38:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:38:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:38:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:38:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:38:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:38:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:38:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:38:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:38:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:38:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:38:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:38:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-19 05:38:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 05:38:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-19 05:38:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 05:38:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-19 05:38:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-19 05:38:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-11-19 05:38:31,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:31,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257883326] [2021-11-19 05:38:31,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257883326] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:31,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:31,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:38:31,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673833933] [2021-11-19 05:38:31,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:31,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:38:31,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:31,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:38:31,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:38:31,659 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) [2021-11-19 05:38:34,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:34,861 INFO L93 Difference]: Finished difference Result 805 states and 1098 transitions. [2021-11-19 05:38:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:38:34,861 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 [2021-11-19 05:38:34,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:34,866 INFO L225 Difference]: With dead ends: 805 [2021-11-19 05:38:34,866 INFO L226 Difference]: Without dead ends: 513 [2021-11-19 05:38:34,868 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 [2021-11-19 05:38:34,869 INFO L933 BasicCegarLoop]: 443 mSDtfsCounter, 635 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 3.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:34,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [690 Valid, 1923 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-19 05:38:34,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2021-11-19 05:38:34,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 402. [2021-11-19 05:38:34,899 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) [2021-11-19 05:38:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 537 transitions. [2021-11-19 05:38:34,903 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 537 transitions. Word has length 178 [2021-11-19 05:38:34,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:34,903 INFO L470 AbstractCegarLoop]: Abstraction has 402 states and 537 transitions. [2021-11-19 05:38:34,904 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) [2021-11-19 05:38:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 537 transitions. [2021-11-19 05:38:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-19 05:38:34,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:34,907 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] [2021-11-19 05:38:34,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 05:38:34,908 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:34,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:34,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1099401581, now seen corresponding path program 1 times [2021-11-19 05:38:34,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:34,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420596218] [2021-11-19 05:38:34,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:34,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:38:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:38:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:38:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:38:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:38:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:38:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:38:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:38:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:38:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:38:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:38:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:38:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:38:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-19 05:38:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 05:38:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-19 05:38:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 05:38:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-19 05:38:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 05:38:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:35,690 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-11-19 05:38:35,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:35,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420596218] [2021-11-19 05:38:35,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420596218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:35,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:35,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-19 05:38:35,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009829005] [2021-11-19 05:38:35,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:35,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 05:38:35,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:35,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 05:38:35,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2021-11-19 05:38:35,694 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) [2021-11-19 05:38:40,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:40,479 INFO L93 Difference]: Finished difference Result 1011 states and 1427 transitions. [2021-11-19 05:38:40,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:38:40,479 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 [2021-11-19 05:38:40,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:40,485 INFO L225 Difference]: With dead ends: 1011 [2021-11-19 05:38:40,485 INFO L226 Difference]: Without dead ends: 691 [2021-11-19 05:38:40,487 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 [2021-11-19 05:38:40,488 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 573 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 2907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:40,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [625 Valid, 3660 Invalid, 2907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-19 05:38:40,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2021-11-19 05:38:40,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 449. [2021-11-19 05:38:40,526 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) [2021-11-19 05:38:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 605 transitions. [2021-11-19 05:38:40,530 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 605 transitions. Word has length 174 [2021-11-19 05:38:40,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:40,531 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 605 transitions. [2021-11-19 05:38:40,531 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) [2021-11-19 05:38:40,532 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 605 transitions. [2021-11-19 05:38:40,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-19 05:38:40,534 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:40,535 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] [2021-11-19 05:38:40,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-19 05:38:40,535 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:40,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:40,536 INFO L85 PathProgramCache]: Analyzing trace with hash -73198679, now seen corresponding path program 1 times [2021-11-19 05:38:40,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:40,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805769317] [2021-11-19 05:38:40,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:40,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:38:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:38:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:38:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:38:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:38:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:38:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:38:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:38:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:38:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:38:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:38:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:38:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:38:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-19 05:38:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 05:38:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-19 05:38:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 05:38:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 05:38:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:41,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-19 05:38:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-19 05:38:41,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:41,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805769317] [2021-11-19 05:38:41,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805769317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:41,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:41,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:38:41,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023918520] [2021-11-19 05:38:41,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:41,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:38:41,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:41,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:38:41,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:38:41,036 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) [2021-11-19 05:38:47,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:47,916 INFO L93 Difference]: Finished difference Result 861 states and 1191 transitions. [2021-11-19 05:38:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:38:47,917 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 [2021-11-19 05:38:47,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:47,922 INFO L225 Difference]: With dead ends: 861 [2021-11-19 05:38:47,923 INFO L226 Difference]: Without dead ends: 583 [2021-11-19 05:38:47,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-11-19 05:38:47,925 INFO L933 BasicCegarLoop]: 436 mSDtfsCounter, 359 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:47,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [417 Valid, 1783 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-11-19 05:38:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2021-11-19 05:38:47,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 449. [2021-11-19 05:38:47,960 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) [2021-11-19 05:38:47,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 601 transitions. [2021-11-19 05:38:47,964 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 601 transitions. Word has length 172 [2021-11-19 05:38:47,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:47,965 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 601 transitions. [2021-11-19 05:38:47,965 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) [2021-11-19 05:38:47,965 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 601 transitions. [2021-11-19 05:38:47,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-19 05:38:47,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:47,968 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] [2021-11-19 05:38:47,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 05:38:47,969 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:47,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:47,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1732239655, now seen corresponding path program 1 times [2021-11-19 05:38:47,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:47,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978593809] [2021-11-19 05:38:47,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:47,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:38:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:38:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:38:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:38:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:38:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:38:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:38:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:38:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:38:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:38:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:38:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:38:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:38:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-19 05:38:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 05:38:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-19 05:38:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 05:38:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 05:38:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-19 05:38:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:48,568 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-19 05:38:48,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:48,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978593809] [2021-11-19 05:38:48,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978593809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:48,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:48,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:38:48,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063392816] [2021-11-19 05:38:48,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:48,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:38:48,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:48,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:38:48,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:38:48,571 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) [2021-11-19 05:38:53,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:53,867 INFO L93 Difference]: Finished difference Result 784 states and 1122 transitions. [2021-11-19 05:38:53,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:38:53,868 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 [2021-11-19 05:38:53,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:53,874 INFO L225 Difference]: With dead ends: 784 [2021-11-19 05:38:53,874 INFO L226 Difference]: Without dead ends: 709 [2021-11-19 05:38:53,875 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 [2021-11-19 05:38:53,876 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 469 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 1887 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:53,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [533 Valid, 1887 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-11-19 05:38:53,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2021-11-19 05:38:53,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 457. [2021-11-19 05:38:53,915 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) [2021-11-19 05:38:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 611 transitions. [2021-11-19 05:38:53,918 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 611 transitions. Word has length 172 [2021-11-19 05:38:53,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:53,919 INFO L470 AbstractCegarLoop]: Abstraction has 457 states and 611 transitions. [2021-11-19 05:38:53,919 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) [2021-11-19 05:38:53,919 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 611 transitions. [2021-11-19 05:38:53,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-19 05:38:53,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:53,923 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] [2021-11-19 05:38:53,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-19 05:38:53,923 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:53,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:53,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1482232862, now seen corresponding path program 1 times [2021-11-19 05:38:53,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:38:53,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311115924] [2021-11-19 05:38:53,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:53,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:38:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:38:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:38:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:38:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:38:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:38:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:38:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:38:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:38:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:38:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:38:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:38:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:38:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:38:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-19 05:38:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 05:38:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-19 05:38:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:38:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:38:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 05:38:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-19 05:38:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 05:38:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-19 05:38:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-19 05:38:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:54,865 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-19 05:38:54,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:38:54,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311115924] [2021-11-19 05:38:54,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311115924] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:38:54,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16449680] [2021-11-19 05:38:54,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:54,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:38:54,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:38:54,874 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:38:54,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 05:38:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:55,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 2592 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-19 05:38:55,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:38:55,715 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 [2021-11-19 05:38:55,718 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 [2021-11-19 05:38:56,012 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-19 05:38:56,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:38:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-11-19 05:38:56,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16449680] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:38:56,916 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:38:56,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 13] total 19 [2021-11-19 05:38:56,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547699205] [2021-11-19 05:38:56,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:38:56,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-19 05:38:56,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:38:56,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-19 05:38:56,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-11-19 05:38:56,919 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) [2021-11-19 05:39:02,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:02,452 INFO L93 Difference]: Finished difference Result 966 states and 1329 transitions. [2021-11-19 05:39:02,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 05:39:02,452 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 [2021-11-19 05:39:02,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:02,457 INFO L225 Difference]: With dead ends: 966 [2021-11-19 05:39:02,457 INFO L226 Difference]: Without dead ends: 615 [2021-11-19 05:39:02,460 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 [2021-11-19 05:39:02,461 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 507 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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, 5.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:02,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [557 Valid, 4206 Invalid, 3427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 3085 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-19 05:39:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2021-11-19 05:39:02,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 473. [2021-11-19 05:39:02,498 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) [2021-11-19 05:39:02,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 632 transitions. [2021-11-19 05:39:02,501 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 632 transitions. Word has length 178 [2021-11-19 05:39:02,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:02,502 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 632 transitions. [2021-11-19 05:39:02,502 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) [2021-11-19 05:39:02,503 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 632 transitions. [2021-11-19 05:39:02,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-19 05:39:02,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:02,505 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] [2021-11-19 05:39:02,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:02,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-19 05:39:02,718 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:02,718 INFO L85 PathProgramCache]: Analyzing trace with hash -801809861, now seen corresponding path program 1 times [2021-11-19 05:39:02,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:02,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519207185] [2021-11-19 05:39:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:02,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:39:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:39:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:39:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:39:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:39:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:39:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:39:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:39:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:39:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:39:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:39:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:39:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:39:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:39:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:39:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-19 05:39:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 05:39:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-19 05:39:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:39:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 05:39:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-19 05:39:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-19 05:39:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-11-19 05:39:03,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:39:03,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519207185] [2021-11-19 05:39:03,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519207185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:39:03,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:39:03,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-19 05:39:03,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782655640] [2021-11-19 05:39:03,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:39:03,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-19 05:39:03,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:39:03,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-19 05:39:03,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2021-11-19 05:39:03,498 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) [2021-11-19 05:39:04,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:39:09,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:09,138 INFO L93 Difference]: Finished difference Result 1059 states and 1490 transitions. [2021-11-19 05:39:09,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 05:39:09,139 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 [2021-11-19 05:39:09,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:09,145 INFO L225 Difference]: With dead ends: 1059 [2021-11-19 05:39:09,145 INFO L226 Difference]: Without dead ends: 738 [2021-11-19 05:39:09,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=672, Unknown=0, NotChecked=0, Total=812 [2021-11-19 05:39:09,148 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 449 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 2839 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 2839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:09,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [501 Valid, 4078 Invalid, 3033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 2839 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-11-19 05:39:09,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2021-11-19 05:39:09,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 494. [2021-11-19 05:39:09,190 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) [2021-11-19 05:39:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 662 transitions. [2021-11-19 05:39:09,195 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 662 transitions. Word has length 178 [2021-11-19 05:39:09,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:09,195 INFO L470 AbstractCegarLoop]: Abstraction has 494 states and 662 transitions. [2021-11-19 05:39:09,196 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) [2021-11-19 05:39:09,196 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 662 transitions. [2021-11-19 05:39:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-19 05:39:09,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:09,199 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] [2021-11-19 05:39:09,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-19 05:39:09,199 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:09,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:09,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1914549499, now seen corresponding path program 1 times [2021-11-19 05:39:09,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:09,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898958406] [2021-11-19 05:39:09,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:09,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:39:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:39:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:39:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:39:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:39:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:39:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:39:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:39:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:39:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:39:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:39:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:39:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:39:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:39:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:39:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-19 05:39:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 05:39:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-19 05:39:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:39:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 05:39:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 05:39:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-19 05:39:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:09,692 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-19 05:39:09,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:39:09,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898958406] [2021-11-19 05:39:09,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898958406] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:39:09,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:39:09,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 05:39:09,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284588283] [2021-11-19 05:39:09,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:39:09,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:39:09,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:39:09,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:39:09,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:39:09,695 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) [2021-11-19 05:39:10,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:39:15,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:15,413 INFO L93 Difference]: Finished difference Result 908 states and 1252 transitions. [2021-11-19 05:39:15,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:39:15,413 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 [2021-11-19 05:39:15,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:15,419 INFO L225 Difference]: With dead ends: 908 [2021-11-19 05:39:15,419 INFO L226 Difference]: Without dead ends: 630 [2021-11-19 05:39:15,421 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 [2021-11-19 05:39:15,421 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 283 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s 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, 5.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:15,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 1238 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-11-19 05:39:15,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-11-19 05:39:15,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 496. [2021-11-19 05:39:15,490 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) [2021-11-19 05:39:15,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 664 transitions. [2021-11-19 05:39:15,494 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 664 transitions. Word has length 174 [2021-11-19 05:39:15,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:15,494 INFO L470 AbstractCegarLoop]: Abstraction has 496 states and 664 transitions. [2021-11-19 05:39:15,495 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) [2021-11-19 05:39:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 664 transitions. [2021-11-19 05:39:15,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-19 05:39:15,497 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:15,497 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] [2021-11-19 05:39:15,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-19 05:39:15,498 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:15,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:15,498 INFO L85 PathProgramCache]: Analyzing trace with hash -167187636, now seen corresponding path program 1 times [2021-11-19 05:39:15,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:15,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987339208] [2021-11-19 05:39:15,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:15,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:39:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:39:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:39:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:39:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:39:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:39:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-19 05:39:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-19 05:39:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:39:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:39:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:39:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-19 05:39:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 05:39:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-19 05:39:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 05:39:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-19 05:39:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 05:39:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-19 05:39:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:39:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:39:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 05:39:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-19 05:39:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:39:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-19 05:39:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 05:39:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-19 05:39:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:39:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-19 05:39:16,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:39:16,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987339208] [2021-11-19 05:39:16,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987339208] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:39:16,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886808261] [2021-11-19 05:39:16,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:16,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:39:16,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:16,730 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:39:16,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 05:39:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:17,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 2652 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-19 05:39:17,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-19 05:39:17,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:39:17,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886808261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:39:17,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:39:17,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 12 [2021-11-19 05:39:17,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910173705] [2021-11-19 05:39:17,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:39:17,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:39:17,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:39:17,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:39:17,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:39:17,862 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) [2021-11-19 05:39:18,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:18,198 INFO L93 Difference]: Finished difference Result 985 states and 1317 transitions. [2021-11-19 05:39:18,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:39:18,199 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 [2021-11-19 05:39:18,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:18,202 INFO L225 Difference]: With dead ends: 985 [2021-11-19 05:39:18,203 INFO L226 Difference]: Without dead ends: 498 [2021-11-19 05:39:18,205 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 [2021-11-19 05:39:18,206 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, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:18,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 2412 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 05:39:18,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2021-11-19 05:39:18,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2021-11-19 05:39:18,242 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) [2021-11-19 05:39:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 666 transitions. [2021-11-19 05:39:18,253 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 666 transitions. Word has length 188 [2021-11-19 05:39:18,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:18,254 INFO L470 AbstractCegarLoop]: Abstraction has 498 states and 666 transitions. [2021-11-19 05:39:18,255 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) [2021-11-19 05:39:18,255 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 666 transitions. [2021-11-19 05:39:18,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-19 05:39:18,257 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:18,257 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] [2021-11-19 05:39:18,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:18,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-19 05:39:18,475 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:18,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:18,475 INFO L85 PathProgramCache]: Analyzing trace with hash 464786715, now seen corresponding path program 1 times [2021-11-19 05:39:18,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:39:18,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253897737] [2021-11-19 05:39:18,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:18,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:39:18,550 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:39:18,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730401444] [2021-11-19 05:39:18,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:18,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:39:18,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:39:18,551 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:39:18,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-19 05:41:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:40,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 2731 conjuncts, 325 conjunts are in the unsatisfiable core [2021-11-19 05:41:40,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:41:40,887 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-19 05:41:40,888 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 2 case distinctions, treesize of input 12 treesize of output 16 [2021-11-19 05:41:40,963 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 05:41:40,964 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 [2021-11-19 05:41:43,265 INFO L354 Elim1Store]: treesize reduction 78, result has 26.4 percent of original size [2021-11-19 05:41:43,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 34 treesize of output 52 [2021-11-19 05:41:43,584 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-19 05:41:43,587 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 43 treesize of output 35 [2021-11-19 05:41:43,942 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 [2021-11-19 05:41:44,263 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 [2021-11-19 05:41:44,628 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 [2021-11-19 05:41:45,523 INFO L354 Elim1Store]: treesize reduction 397, result has 7.9 percent of original size [2021-11-19 05:41:45,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 121 treesize of output 128 [2021-11-19 05:41:50,609 INFO L354 Elim1Store]: treesize reduction 88, result has 27.3 percent of original size [2021-11-19 05:41:50,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 99 treesize of output 119 [2021-11-19 05:41:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 119 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-19 05:41:53,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:41:54,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:41:54,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253897737] [2021-11-19 05:41:54,838 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 05:41:54,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730401444] [2021-11-19 05:41:54,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730401444] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:41:54,838 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:41:54,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2021-11-19 05:41:54,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28608340] [2021-11-19 05:41:54,839 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-19 05:41:54,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-19 05:41:54,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:41:54,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-19 05:41:54,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1553, Unknown=0, NotChecked=0, Total=1722 [2021-11-19 05:41:54,841 INFO L87 Difference]: Start difference. First operand 498 states and 666 transitions. Second operand has 38 states, 29 states have (on average 3.1724137931034484) internal successors, (92), 26 states have internal predecessors, (92), 12 states have call successors, (32), 6 states have call predecessors, (32), 11 states have return successors, (28), 12 states have call predecessors, (28), 12 states have call successors, (28) [2021-11-19 05:41:55,962 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:41:57,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:41:57,990 INFO L93 Difference]: Finished difference Result 1034 states and 1367 transitions. [2021-11-19 05:41:57,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-19 05:41:57,991 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 29 states have (on average 3.1724137931034484) internal successors, (92), 26 states have internal predecessors, (92), 12 states have call successors, (32), 6 states have call predecessors, (32), 11 states have return successors, (28), 12 states have call predecessors, (28), 12 states have call successors, (28) Word has length 194 [2021-11-19 05:41:57,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:41:57,996 INFO L225 Difference]: With dead ends: 1034 [2021-11-19 05:41:57,997 INFO L226 Difference]: Without dead ends: 530 [2021-11-19 05:41:58,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 245 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=169, Invalid=1553, Unknown=0, NotChecked=0, Total=1722 [2021-11-19 05:41:58,002 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 25 mSDsluCounter, 4740 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 5174 SdHoareTripleChecker+Invalid, 2764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2105 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:41:58,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 5174 Invalid, 2764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 659 Invalid, 0 Unknown, 2105 Unchecked, 3.0s Time] [2021-11-19 05:41:58,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2021-11-19 05:41:58,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 528. [2021-11-19 05:41:58,052 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) [2021-11-19 05:41:58,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 696 transitions. [2021-11-19 05:41:58,055 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 696 transitions. Word has length 194 [2021-11-19 05:41:58,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:41:58,056 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 696 transitions. [2021-11-19 05:41:58,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 29 states have (on average 3.1724137931034484) internal successors, (92), 26 states have internal predecessors, (92), 12 states have call successors, (32), 6 states have call predecessors, (32), 11 states have return successors, (28), 12 states have call predecessors, (28), 12 states have call successors, (28) [2021-11-19 05:41:58,057 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 696 transitions. [2021-11-19 05:41:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-19 05:41:58,059 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:41:58,060 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] [2021-11-19 05:41:58,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:41:58,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-19 05:41:58,273 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:41:58,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:41:58,273 INFO L85 PathProgramCache]: Analyzing trace with hash 958806313, now seen corresponding path program 1 times [2021-11-19 05:41:58,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:41:58,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115453668] [2021-11-19 05:41:58,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:58,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:41:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:41:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 05:41:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 05:41:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 05:41:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 05:41:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:41:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:41:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:41:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-19 05:41:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:41:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-19 05:41:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-19 05:41:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:41:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-19 05:41:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-19 05:41:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:41:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-19 05:41:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-19 05:41:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-19 05:41:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-19 05:41:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-19 05:41:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 05:41:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-19 05:41:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 05:41:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:41:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 05:41:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-19 05:41:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:41:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:58,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-19 05:41:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:59,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-19 05:41:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:59,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-19 05:41:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:59,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:41:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-11-19 05:41:59,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:41:59,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115453668] [2021-11-19 05:41:59,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115453668] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:41:59,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:41:59,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 05:41:59,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170471415] [2021-11-19 05:41:59,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:41:59,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 05:41:59,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:41:59,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 05:41:59,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:41:59,054 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) [2021-11-19 05:42:02,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:42:02,437 INFO L93 Difference]: Finished difference Result 1126 states and 1527 transitions. [2021-11-19 05:42:02,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:42:02,438 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 [2021-11-19 05:42:02,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:42:02,443 INFO L225 Difference]: With dead ends: 1126 [2021-11-19 05:42:02,443 INFO L226 Difference]: Without dead ends: 637 [2021-11-19 05:42:02,446 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 [2021-11-19 05:42:02,447 INFO L933 BasicCegarLoop]: 430 mSDtfsCounter, 464 mSDsluCounter, 1777 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 2207 SdHoareTripleChecker+Invalid, 1725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:42:02,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [512 Valid, 2207 Invalid, 1725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 05:42:02,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2021-11-19 05:42:02,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 533. [2021-11-19 05:42:02,496 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) [2021-11-19 05:42:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 702 transitions. [2021-11-19 05:42:02,500 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 702 transitions. Word has length 200 [2021-11-19 05:42:02,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:42:02,500 INFO L470 AbstractCegarLoop]: Abstraction has 533 states and 702 transitions. [2021-11-19 05:42:02,501 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) [2021-11-19 05:42:02,501 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 702 transitions. [2021-11-19 05:42:02,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-19 05:42:02,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:42:02,504 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] [2021-11-19 05:42:02,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-19 05:42:02,505 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:42:02,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:42:02,506 INFO L85 PathProgramCache]: Analyzing trace with hash -769130113, now seen corresponding path program 1 times [2021-11-19 05:42:02,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:42:02,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522079933] [2021-11-19 05:42:02,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:42:02,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:42:02,557 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 05:42:02,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [809041157] [2021-11-19 05:42:02,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:42:02,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:42:02,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:42:02,563 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:42:02,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-19 05:42:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:42:03,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 2747 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:42:03,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:42:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-19 05:42:03,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:42:03,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:42:03,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522079933] [2021-11-19 05:42:03,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 05:42:03,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809041157] [2021-11-19 05:42:03,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809041157] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:42:03,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:42:03,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 05:42:03,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855160530] [2021-11-19 05:42:03,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:42:03,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:42:03,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:42:03,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:42:03,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:42:03,657 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) [2021-11-19 05:42:03,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:42:03,693 INFO L93 Difference]: Finished difference Result 551 states and 719 transitions. [2021-11-19 05:42:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:42:03,694 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 [2021-11-19 05:42:03,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:42:03,695 INFO L225 Difference]: With dead ends: 551 [2021-11-19 05:42:03,695 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 05:42:03,697 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 [2021-11-19 05:42:03,698 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 [2021-11-19 05:42:03,699 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] [2021-11-19 05:42:03,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 05:42:03,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 05:42:03,700 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) [2021-11-19 05:42:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 05:42:03,701 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2021-11-19 05:42:03,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:42:03,701 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:42:03,702 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) [2021-11-19 05:42:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 05:42:03,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 05:42:03,705 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 05:42:03,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-19 05:42:03,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:42:03,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 05:42:07,076 INFO L861 garLoopResultBuilder]: At program point L7342(line 7342) the Hoare annotation is: true [2021-11-19 05:42:07,077 INFO L858 garLoopResultBuilder]: For program point uninterpreted_equalsFINAL(lines 7331 7345) no Hoare annotation was computed. [2021-11-19 05:42:07,077 INFO L858 garLoopResultBuilder]: For program point L7339-1(line 7339) no Hoare annotation was computed. [2021-11-19 05:42:07,077 INFO L861 garLoopResultBuilder]: At program point L7339(line 7339) the Hoare annotation is: true [2021-11-19 05:42:07,077 INFO L858 garLoopResultBuilder]: For program point L7342-3(line 7342) no Hoare annotation was computed. [2021-11-19 05:42:07,077 INFO L858 garLoopResultBuilder]: For program point L7341-2(lines 7341 7343) no Hoare annotation was computed. [2021-11-19 05:42:07,077 INFO L861 garLoopResultBuilder]: At program point L7342-2(line 7342) the Hoare annotation is: true [2021-11-19 05:42:07,078 INFO L858 garLoopResultBuilder]: For program point L7341(lines 7341 7343) no Hoare annotation was computed. [2021-11-19 05:42:07,078 INFO L861 garLoopResultBuilder]: At program point L7342-1(line 7342) the Hoare annotation is: true [2021-11-19 05:42:07,078 INFO L858 garLoopResultBuilder]: For program point uninterpreted_equalsEXIT(lines 7331 7345) no Hoare annotation was computed. [2021-11-19 05:42:07,078 INFO L858 garLoopResultBuilder]: For program point L7335-1(line 7335) no Hoare annotation was computed. [2021-11-19 05:42:07,078 INFO L861 garLoopResultBuilder]: At program point L7335(line 7335) the Hoare annotation is: true [2021-11-19 05:42:07,078 INFO L861 garLoopResultBuilder]: At program point L7337-1(line 7337) the Hoare annotation is: true [2021-11-19 05:42:07,078 INFO L861 garLoopResultBuilder]: At program point uninterpreted_equalsENTRY(lines 7331 7345) the Hoare annotation is: true [2021-11-19 05:42:07,080 INFO L861 garLoopResultBuilder]: At program point L7337(line 7337) the Hoare annotation is: true [2021-11-19 05:42:07,080 INFO L858 garLoopResultBuilder]: For program point L6944-1(lines 6944 6946) no Hoare annotation was computed. [2021-11-19 05:42:07,080 INFO L854 garLoopResultBuilder]: At program point L6944(lines 6944 6946) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (forall ((|aux_mod_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116| Int) (|aux_div_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| Int) (|aux_div_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116| Int) (|v_ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base_BEFORE_CALL_3| Int)) (let ((.cse0 (+ (* 18446744073709551616 |aux_div_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116|) |aux_mod_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116|))) (or (= |aux_mod_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116| 0) (not (<= 0 |aux_mod_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116|)) (not (<= 0 .cse0)) (not (= (+ (* 442721857769029238784 |aux_div_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116|) (* 442721857769029238784 |aux_div_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104|) (* 24 |aux_mod_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116|)) (+ 29629528 (select (select |#memory_int| |v_ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base_BEFORE_CALL_3|) 0)))) (not (< |aux_mod_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116| 18446744073709551616)) (not (<= .cse0 4))))) (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-19 05:42:07,080 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6943 6948) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (forall ((|aux_mod_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116| Int) (|aux_div_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| Int) (|aux_div_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116| Int) (|v_ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base_BEFORE_CALL_3| Int)) (let ((.cse0 (+ (* 18446744073709551616 |aux_div_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116|) |aux_mod_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116|))) (or (= |aux_mod_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116| 0) (not (<= 0 |aux_mod_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116|)) (not (<= 0 .cse0)) (not (= (+ (* 442721857769029238784 |aux_div_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116|) (* 442721857769029238784 |aux_div_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104|) (* 24 |aux_mod_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116|)) (+ 29629528 (select (select |#memory_int| |v_ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base_BEFORE_CALL_3|) 0)))) (not (< |aux_mod_aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104_116| 18446744073709551616)) (not (<= .cse0 4)))))) [2021-11-19 05:42:07,080 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6943 6948) no Hoare annotation was computed. [2021-11-19 05:42:07,081 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6943 6948) no Hoare annotation was computed. [2021-11-19 05:42:07,081 INFO L861 garLoopResultBuilder]: At program point __CPROVER_uninterpreted_equalsENTRY(line 239) the Hoare annotation is: true [2021-11-19 05:42:07,081 INFO L858 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_equalsFINAL(line 239) no Hoare annotation was computed. [2021-11-19 05:42:07,081 INFO L858 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_equalsEXIT(line 239) no Hoare annotation was computed. [2021-11-19 05:42:07,081 INFO L858 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_hasherEXIT(line 238) no Hoare annotation was computed. [2021-11-19 05:42:07,081 INFO L861 garLoopResultBuilder]: At program point __CPROVER_uninterpreted_hasherENTRY(line 238) the Hoare annotation is: true [2021-11-19 05:42:07,081 INFO L858 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_hasherFINAL(line 238) no Hoare annotation was computed. [2021-11-19 05:42:07,081 INFO L858 garLoopResultBuilder]: For program point L10008-3(line 10008) no Hoare annotation was computed. [2021-11-19 05:42:07,082 INFO L861 garLoopResultBuilder]: At program point L10008-4(line 10008) the Hoare annotation is: true [2021-11-19 05:42:07,082 INFO L858 garLoopResultBuilder]: For program point L10008-5(line 10008) no Hoare annotation was computed. [2021-11-19 05:42:07,082 INFO L861 garLoopResultBuilder]: At program point aws_hash_table_is_validENTRY(lines 10006 10009) the Hoare annotation is: true [2021-11-19 05:42:07,082 INFO L858 garLoopResultBuilder]: For program point L10008(line 10008) no Hoare annotation was computed. [2021-11-19 05:42:07,082 INFO L858 garLoopResultBuilder]: For program point L10008-2(line 10008) no Hoare annotation was computed. [2021-11-19 05:42:07,082 INFO L858 garLoopResultBuilder]: For program point L10008-7(line 10008) no Hoare annotation was computed. [2021-11-19 05:42:07,082 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_is_validEXIT(lines 10006 10009) no Hoare annotation was computed. [2021-11-19 05:42:07,082 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_is_validFINAL(lines 10006 10009) no Hoare annotation was computed. [2021-11-19 05:42:07,083 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-19 05:42:07,083 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-19 05:42:07,083 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-19 05:42:07,084 INFO L858 garLoopResultBuilder]: For program point L7130(lines 7130 7134) no Hoare annotation was computed. [2021-11-19 05:42:07,084 INFO L858 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7122 7135) no Hoare annotation was computed. [2021-11-19 05:42:07,084 INFO L861 garLoopResultBuilder]: At program point L7126(lines 7126 7128) the Hoare annotation is: true [2021-11-19 05:42:07,085 INFO L861 garLoopResultBuilder]: At program point aws_mem_releaseENTRY(lines 7122 7135) the Hoare annotation is: true [2021-11-19 05:42:07,085 INFO L858 garLoopResultBuilder]: For program point L7130-2(lines 7122 7135) no Hoare annotation was computed. [2021-11-19 05:42:07,085 INFO L858 garLoopResultBuilder]: For program point L7123-1(lines 7123 7125) no Hoare annotation was computed. [2021-11-19 05:42:07,085 INFO L861 garLoopResultBuilder]: At program point L7123(lines 7123 7125) the Hoare annotation is: true [2021-11-19 05:42:07,085 INFO L858 garLoopResultBuilder]: For program point L7126-1(lines 7126 7128) no Hoare annotation was computed. [2021-11-19 05:42:07,085 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$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-19 05:42:07,086 INFO L858 garLoopResultBuilder]: For program point hash_table_state_required_bytesEXIT(lines 10119 10131) no Hoare annotation was computed. [2021-11-19 05:42:07,086 INFO L858 garLoopResultBuilder]: For program point L10126-1(line 10126) no Hoare annotation was computed. [2021-11-19 05:42:07,086 INFO L858 garLoopResultBuilder]: For program point L10126-2(lines 10126 10128) no Hoare annotation was computed. [2021-11-19 05:42:07,086 INFO L854 garLoopResultBuilder]: At program point L10122(line 10122) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#memory_real)| |#memory_real|) (= (store |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base| 1) |#valid|) (= |#memory_int| |old(#memory_int)|) (= hash_table_state_required_bytes_~required_bytes.offset |hash_table_state_required_bytes_#in~required_bytes.offset|) (= (select |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base|) 0) (= hash_table_state_required_bytes_~size |hash_table_state_required_bytes_#in~size|) (= |#memory_$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))) [2021-11-19 05:42:07,086 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|))) [2021-11-19 05:42:07,086 INFO L858 garLoopResultBuilder]: For program point hash_table_state_required_bytesFINAL(lines 10119 10131) no Hoare annotation was computed. [2021-11-19 05:42:07,086 INFO L858 garLoopResultBuilder]: For program point L10122-1(line 10122) no Hoare annotation was computed. [2021-11-19 05:42:07,086 INFO L858 garLoopResultBuilder]: For program point L10122-2(lines 10122 10124) no Hoare annotation was computed. [2021-11-19 05:42:07,086 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 05:42:07,086 INFO L861 garLoopResultBuilder]: At program point L6940(lines 6934 6941) the Hoare annotation is: true [2021-11-19 05:42:07,087 INFO L861 garLoopResultBuilder]: At program point L6936-2(line 6936) the Hoare annotation is: true [2021-11-19 05:42:07,087 INFO L858 garLoopResultBuilder]: For program point L6936-1(line 6936) no Hoare annotation was computed. [2021-11-19 05:42:07,087 INFO L861 garLoopResultBuilder]: At program point L6936(line 6936) the Hoare annotation is: true [2021-11-19 05:42:07,087 INFO L858 garLoopResultBuilder]: For program point L6937-1(lines 6937 6939) no Hoare annotation was computed. [2021-11-19 05:42:07,087 INFO L861 garLoopResultBuilder]: At program point L6937(lines 6937 6939) the Hoare annotation is: true [2021-11-19 05:42:07,087 INFO L858 garLoopResultBuilder]: For program point L6936-3(line 6936) no Hoare annotation was computed. [2021-11-19 05:42:07,087 INFO L858 garLoopResultBuilder]: For program point can_fail_callocEXIT(lines 6954 6958) no Hoare annotation was computed. [2021-11-19 05:42:07,087 INFO L858 garLoopResultBuilder]: For program point L6955-1(lines 6955 6957) no Hoare annotation was computed. [2021-11-19 05:42:07,087 INFO L861 garLoopResultBuilder]: At program point can_fail_callocENTRY(lines 6954 6958) the Hoare annotation is: true [2021-11-19 05:42:07,087 INFO L861 garLoopResultBuilder]: At program point L6955(line 6955) the Hoare annotation is: true [2021-11-19 05:42:07,087 INFO L858 garLoopResultBuilder]: For program point can_fail_callocFINAL(lines 6954 6958) no Hoare annotation was computed. [2021-11-19 05:42:07,088 INFO L858 garLoopResultBuilder]: For program point L6955-3(lines 6955 6957) no Hoare annotation was computed. [2021-11-19 05:42:07,088 INFO L861 garLoopResultBuilder]: At program point L2657(lines 2637 2658) the Hoare annotation is: true [2021-11-19 05:42:07,088 INFO L858 garLoopResultBuilder]: For program point L9210(lines 9210 9212) no Hoare annotation was computed. [2021-11-19 05:42:07,088 INFO L858 garLoopResultBuilder]: For program point L9202(lines 9202 9204) no Hoare annotation was computed. [2021-11-19 05:42:07,088 INFO L858 garLoopResultBuilder]: For program point L9210-2(lines 9210 9212) no Hoare annotation was computed. [2021-11-19 05:42:07,089 INFO L858 garLoopResultBuilder]: For program point L2643-1(line 2643) no Hoare annotation was computed. [2021-11-19 05:42:07,089 INFO L861 garLoopResultBuilder]: At program point L2643(line 2643) the Hoare annotation is: true [2021-11-19 05:42:07,089 INFO L858 garLoopResultBuilder]: For program point L9196(lines 9196 9198) no Hoare annotation was computed. [2021-11-19 05:42:07,089 INFO L858 garLoopResultBuilder]: For program point L9196-2(lines 9196 9198) no Hoare annotation was computed. [2021-11-19 05:42:07,089 INFO L858 garLoopResultBuilder]: For program point L2642(lines 2642 2644) no Hoare annotation was computed. [2021-11-19 05:42:07,090 INFO L858 garLoopResultBuilder]: For program point L2638(lines 2638 2641) no Hoare annotation was computed. [2021-11-19 05:42:07,090 INFO L858 garLoopResultBuilder]: For program point s_update_template_sizeEXIT(lines 9193 9218) no Hoare annotation was computed. [2021-11-19 05:42:07,090 INFO L861 garLoopResultBuilder]: At program point s_update_template_sizeENTRY(lines 9193 9218) the Hoare annotation is: true [2021-11-19 05:42:07,090 INFO L858 garLoopResultBuilder]: For program point s_update_template_sizeFINAL(lines 9193 9218) no Hoare annotation was computed. [2021-11-19 05:42:07,090 INFO L858 garLoopResultBuilder]: For program point aws_allocator_is_validFINAL(lines 6984 6987) no Hoare annotation was computed. [2021-11-19 05:42:07,091 INFO L861 garLoopResultBuilder]: At program point L6986(line 6986) the Hoare annotation is: true [2021-11-19 05:42:07,091 INFO L861 garLoopResultBuilder]: At program point aws_allocator_is_validENTRY(lines 6984 6987) the Hoare annotation is: true [2021-11-19 05:42:07,091 INFO L858 garLoopResultBuilder]: For program point L6986-1(line 6986) no Hoare annotation was computed. [2021-11-19 05:42:07,091 INFO L858 garLoopResultBuilder]: For program point aws_allocator_is_validEXIT(lines 6984 6987) no Hoare annotation was computed. [2021-11-19 05:42:07,091 INFO L861 garLoopResultBuilder]: At program point L9150-1(line 9150) the Hoare annotation is: true [2021-11-19 05:42:07,092 INFO L861 garLoopResultBuilder]: At program point s_hash_keys_eqENTRY(lines 9147 9155) the Hoare annotation is: true [2021-11-19 05:42:07,092 INFO L858 garLoopResultBuilder]: For program point L9150-2(line 9150) no Hoare annotation was computed. [2021-11-19 05:42:07,092 INFO L858 garLoopResultBuilder]: For program point s_hash_keys_eqEXIT(lines 9147 9155) no Hoare annotation was computed. [2021-11-19 05:42:07,092 INFO L861 garLoopResultBuilder]: At program point L9153(line 9153) the Hoare annotation is: true [2021-11-19 05:42:07,092 INFO L861 garLoopResultBuilder]: At program point L9154-1(line 9154) the Hoare annotation is: true [2021-11-19 05:42:07,092 INFO L858 garLoopResultBuilder]: For program point L9153-1(line 9153) no Hoare annotation was computed. [2021-11-19 05:42:07,093 INFO L858 garLoopResultBuilder]: For program point L9154-2(line 9154) no Hoare annotation was computed. [2021-11-19 05:42:07,093 INFO L861 garLoopResultBuilder]: At program point L9154-3(line 9154) the Hoare annotation is: true [2021-11-19 05:42:07,093 INFO L861 garLoopResultBuilder]: At program point L9150(line 9150) the Hoare annotation is: true [2021-11-19 05:42:07,093 INFO L858 garLoopResultBuilder]: For program point L9154-4(lines 9147 9155) no Hoare annotation was computed. [2021-11-19 05:42:07,093 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2021-11-19 05:42:07,094 INFO L858 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2021-11-19 05:42:07,094 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2586 2594) no Hoare annotation was computed. [2021-11-19 05:42:07,094 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$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-19 05:42:07,094 INFO L854 garLoopResultBuilder]: At program point L2501(lines 2497 2502) the Hoare annotation is: (or (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ |aws_mul_size_checked_aws_mul_u64_checked_#res#1| 1) 0)) (not (< 0 |#StackHeapBarrier|)) (and (exists ((|v___CPROVER_overflow_mult_~#c~1.base_13| Int)) (and (= (select |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_13|) 0) (= (store |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_13| 0) |#valid|))) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= (* |aws_mul_size_checked_#in~a#1| |aws_mul_size_checked_#in~b#1|) (select (select |#memory_int| |aws_mul_size_checked_#in~r#1.base|) |aws_mul_size_checked_#in~r#1.offset|)) (= |aws_mul_size_checked_aws_mul_u64_checked_#res#1| 0))) [2021-11-19 05:42:07,094 INFO L854 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| |aws_mul_size_checked_#in~r#1.base|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |aws_mul_size_checked_#in~a#1| |aws_mul_size_checked_aws_mul_u64_checked_~a#1|) (= |aws_mul_size_checked_#in~b#1| |aws_mul_size_checked_aws_mul_u64_checked_~b#1|) (= |old(#valid)| |#valid|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| |aws_mul_size_checked_#in~r#1.offset|))) [2021-11-19 05:42:07,095 INFO L858 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2021-11-19 05:42:07,095 INFO L854 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|))) [2021-11-19 05:42:07,095 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-11-19 05:42:07,095 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-11-19 05:42:07,095 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-11-19 05:42:07,096 INFO L858 garLoopResultBuilder]: For program point L9115(line 9115) no Hoare annotation was computed. [2021-11-19 05:42:07,096 INFO L861 garLoopResultBuilder]: At program point L9115-1(lines 9100 9116) the Hoare annotation is: true [2021-11-19 05:42:07,096 INFO L858 garLoopResultBuilder]: For program point L9115-2(lines 9100 9116) no Hoare annotation was computed. [2021-11-19 05:42:07,096 INFO L861 garLoopResultBuilder]: At program point L9101(line 9101) the Hoare annotation is: true [2021-11-19 05:42:07,112 INFO L861 garLoopResultBuilder]: At program point L9101-1(line 9101) the Hoare annotation is: true [2021-11-19 05:42:07,113 INFO L858 garLoopResultBuilder]: For program point L9101-2(line 9101) no Hoare annotation was computed. [2021-11-19 05:42:07,114 INFO L861 garLoopResultBuilder]: At program point L7373-1(lines 7369 7374) the Hoare annotation is: true [2021-11-19 05:42:07,114 INFO L858 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2021-11-19 05:42:07,114 INFO L858 garLoopResultBuilder]: For program point L9085(lines 9085 9093) no Hoare annotation was computed. [2021-11-19 05:42:07,115 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2021-11-19 05:42:07,115 INFO L858 garLoopResultBuilder]: For program point L9112(lines 9112 9114) no Hoare annotation was computed. [2021-11-19 05:42:07,115 INFO L861 garLoopResultBuilder]: At program point s_hash_forENTRY(lines 9100 9116) the Hoare annotation is: true [2021-11-19 05:42:07,126 INFO L861 garLoopResultBuilder]: At program point L7370(lines 7370 7372) the Hoare annotation is: true [2021-11-19 05:42:07,126 INFO L858 garLoopResultBuilder]: For program point L9104(lines 9104 9109) no Hoare annotation was computed. [2021-11-19 05:42:07,126 INFO L858 garLoopResultBuilder]: For program point s_hash_forEXIT(lines 9100 9116) no Hoare annotation was computed. [2021-11-19 05:42:07,127 INFO L861 garLoopResultBuilder]: At program point L7370-1(lines 7370 7372) the Hoare annotation is: true [2021-11-19 05:42:07,127 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|))) [2021-11-19 05:42:07,127 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusFINAL(lines 248 251) no Hoare annotation was computed. [2021-11-19 05:42:07,127 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2021-11-19 05:42:07,127 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 05:42:07,127 INFO L858 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-11-19 05:42:07,128 INFO L861 garLoopResultBuilder]: At program point L7356-1(lines 7348 7357) the Hoare annotation is: true [2021-11-19 05:42:07,128 INFO L858 garLoopResultBuilder]: For program point L7356(line 7356) no Hoare annotation was computed. [2021-11-19 05:42:07,128 INFO L861 garLoopResultBuilder]: At program point L7350(lines 7350 7352) the Hoare annotation is: true [2021-11-19 05:42:07,128 INFO L861 garLoopResultBuilder]: At program point L7287(lines 7280 7288) the Hoare annotation is: true [2021-11-19 05:42:07,128 INFO L861 garLoopResultBuilder]: At program point L7353(lines 7353 7355) the Hoare annotation is: true [2021-11-19 05:42:07,128 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-11-19 05:42:07,129 INFO L858 garLoopResultBuilder]: For program point L7284(lines 7284 7286) no Hoare annotation was computed. [2021-11-19 05:42:07,129 INFO L861 garLoopResultBuilder]: At program point L7350-1(lines 7350 7352) the Hoare annotation is: true [2021-11-19 05:42:07,129 INFO L861 garLoopResultBuilder]: At program point L7281-1(lines 7281 7283) the Hoare annotation is: true [2021-11-19 05:42:07,129 INFO L861 garLoopResultBuilder]: At program point L7281(lines 7281 7283) the Hoare annotation is: true [2021-11-19 05:42:07,129 INFO L858 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-11-19 05:42:07,130 INFO L861 garLoopResultBuilder]: At program point L262(line 262) the Hoare annotation is: true [2021-11-19 05:42:07,130 INFO L861 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2021-11-19 05:42:07,130 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_createEXIT(lines 9516 9580) no Hoare annotation was computed. [2021-11-19 05:42:07,130 INFO L858 garLoopResultBuilder]: For program point L9533(lines 9533 9539) no Hoare annotation was computed. [2021-11-19 05:42:07,130 INFO L858 garLoopResultBuilder]: For program point L9504(lines 9504 9507) no Hoare annotation was computed. [2021-11-19 05:42:07,131 INFO L858 garLoopResultBuilder]: For program point L9546(lines 9546 9561) no Hoare annotation was computed. [2021-11-19 05:42:07,131 INFO L861 garLoopResultBuilder]: At program point L9571(line 9571) the Hoare annotation is: true [2021-11-19 05:42:07,131 INFO L858 garLoopResultBuilder]: For program point L9571-1(line 9571) no Hoare annotation was computed. [2021-11-19 05:42:07,131 INFO L861 garLoopResultBuilder]: At program point L9513(lines 9484 9514) the Hoare annotation is: true [2021-11-19 05:42:07,131 INFO L858 garLoopResultBuilder]: For program point L9546-2(lines 9546 9561) no Hoare annotation was computed. [2021-11-19 05:42:07,132 INFO L858 garLoopResultBuilder]: For program point L9534-2(lines 9534 9536) no Hoare annotation was computed. [2021-11-19 05:42:07,132 INFO L858 garLoopResultBuilder]: For program point L9534(lines 9534 9536) no Hoare annotation was computed. [2021-11-19 05:42:07,132 INFO L861 garLoopResultBuilder]: At program point L9493(line 9493) the Hoare annotation is: true [2021-11-19 05:42:07,132 INFO L858 garLoopResultBuilder]: For program point L9493-1(line 9493) no Hoare annotation was computed. [2021-11-19 05:42:07,132 INFO L858 garLoopResultBuilder]: For program point L9493-2(lines 9493 9495) no Hoare annotation was computed. [2021-11-19 05:42:07,132 INFO L861 garLoopResultBuilder]: At program point L9497(line 9497) the Hoare annotation is: true [2021-11-19 05:42:07,133 INFO L858 garLoopResultBuilder]: For program point L9497-1(line 9497) no Hoare annotation was computed. [2021-11-19 05:42:07,133 INFO L861 garLoopResultBuilder]: At program point L9489(line 9489) the Hoare annotation is: true [2021-11-19 05:42:07,133 INFO L858 garLoopResultBuilder]: For program point L9489-1(line 9489) no Hoare annotation was computed. [2021-11-19 05:42:07,133 INFO L858 garLoopResultBuilder]: For program point L9489-2(lines 9489 9491) no Hoare annotation was computed. [2021-11-19 05:42:07,133 INFO L858 garLoopResultBuilder]: For program point L9543-2(lines 9543 9545) no Hoare annotation was computed. [2021-11-19 05:42:07,134 INFO L861 garLoopResultBuilder]: At program point L9506(line 9506) the Hoare annotation is: true [2021-11-19 05:42:07,134 INFO L861 garLoopResultBuilder]: At program point L9543(line 9543) the Hoare annotation is: true [2021-11-19 05:42:07,134 INFO L858 garLoopResultBuilder]: For program point L9543-1(line 9543) no Hoare annotation was computed. [2021-11-19 05:42:07,134 INFO L858 garLoopResultBuilder]: For program point L9502-1(lines 9502 9508) no Hoare annotation was computed. [2021-11-19 05:42:07,134 INFO L858 garLoopResultBuilder]: For program point L9531(line 9531) no Hoare annotation was computed. [2021-11-19 05:42:07,134 INFO L858 garLoopResultBuilder]: For program point L9502-3(lines 9502 9508) no Hoare annotation was computed. [2021-11-19 05:42:07,135 INFO L858 garLoopResultBuilder]: For program point L9498(lines 9498 9500) no Hoare annotation was computed. [2021-11-19 05:42:07,135 INFO L861 garLoopResultBuilder]: At program point L9502-4(lines 9502 9508) the Hoare annotation is: true [2021-11-19 05:42:07,135 INFO L858 garLoopResultBuilder]: For program point L9506-1(line 9506) no Hoare annotation was computed. [2021-11-19 05:42:07,135 INFO L861 garLoopResultBuilder]: At program point aws_hash_table_createENTRY(lines 9516 9580) the Hoare annotation is: true [2021-11-19 05:42:07,135 INFO L858 garLoopResultBuilder]: For program point aws_hash_table_createFINAL(lines 9516 9580) no Hoare annotation was computed. [2021-11-19 05:42:07,136 INFO L861 garLoopResultBuilder]: At program point L9527-2(lines 9527 9529) the Hoare annotation is: true [2021-11-19 05:42:07,136 INFO L861 garLoopResultBuilder]: At program point L9523(line 9523) the Hoare annotation is: true [2021-11-19 05:42:07,136 INFO L858 garLoopResultBuilder]: For program point L9523-1(line 9523) no Hoare annotation was computed. [2021-11-19 05:42:07,136 INFO L858 garLoopResultBuilder]: For program point L9502-5(lines 9502 9508) no Hoare annotation was computed. [2021-11-19 05:42:07,136 INFO L858 garLoopResultBuilder]: For program point L9527(lines 9527 9529) no Hoare annotation was computed. [2021-11-19 05:42:07,137 INFO L858 garLoopResultBuilder]: For program point L9548(lines 9548 9551) no Hoare annotation was computed. [2021-11-19 05:42:07,137 INFO L858 garLoopResultBuilder]: For program point L9573(lines 9573 9575) no Hoare annotation was computed. [2021-11-19 05:42:07,137 INFO L858 garLoopResultBuilder]: For program point L9573-2(lines 9573 9575) no Hoare annotation was computed. [2021-11-19 05:42:07,137 INFO L861 garLoopResultBuilder]: At program point L9511(line 9511) the Hoare annotation is: true [2021-11-19 05:42:07,137 INFO L858 garLoopResultBuilder]: For program point L9511-1(line 9511) no Hoare annotation was computed. [2021-11-19 05:42:07,137 INFO L861 garLoopResultBuilder]: At program point hash_table_state_is_validENTRY(lines 10017 10064) the Hoare annotation is: true [2021-11-19 05:42:07,138 INFO L861 garLoopResultBuilder]: At program point L10045(line 10045) the Hoare annotation is: true [2021-11-19 05:42:07,138 INFO L858 garLoopResultBuilder]: For program point L10045-1(line 10045) no Hoare annotation was computed. [2021-11-19 05:42:07,138 INFO L858 garLoopResultBuilder]: For program point hash_table_state_is_validEXIT(lines 10017 10064) no Hoare annotation was computed. [2021-11-19 05:42:07,138 INFO L858 garLoopResultBuilder]: For program point hash_table_state_is_validFINAL(lines 10017 10064) no Hoare annotation was computed. [2021-11-19 05:42:07,138 INFO L858 garLoopResultBuilder]: For program point L10019(lines 10019 10023) no Hoare annotation was computed. [2021-11-19 05:42:07,139 INFO L858 garLoopResultBuilder]: For program point L9131(lines 9131 9139) no Hoare annotation was computed. [2021-11-19 05:42:07,139 INFO L861 garLoopResultBuilder]: At program point s_safe_eq_checkENTRY(lines 9121 9142) the Hoare annotation is: true [2021-11-19 05:42:07,139 INFO L858 garLoopResultBuilder]: For program point L9125(lines 9125 9129) no Hoare annotation was computed. [2021-11-19 05:42:07,139 INFO L861 garLoopResultBuilder]: At program point L9141(line 9141) the Hoare annotation is: true [2021-11-19 05:42:07,139 INFO L858 garLoopResultBuilder]: For program point L9141-1(line 9141) no Hoare annotation was computed. [2021-11-19 05:42:07,139 INFO L858 garLoopResultBuilder]: For program point s_safe_eq_checkFINAL(lines 9121 9142) no Hoare annotation was computed. [2021-11-19 05:42:07,140 INFO L858 garLoopResultBuilder]: For program point s_safe_eq_checkEXIT(lines 9121 9142) no Hoare annotation was computed. [2021-11-19 05:42:07,140 INFO L861 garLoopResultBuilder]: At program point L9173(line 9173) the Hoare annotation is: true [2021-11-19 05:42:07,140 INFO L858 garLoopResultBuilder]: For program point L9173-1(line 9173) no Hoare annotation was computed. [2021-11-19 05:42:07,140 INFO L858 garLoopResultBuilder]: For program point L9173-2(lines 9173 9177) no Hoare annotation was computed. [2021-11-19 05:42:07,140 INFO L861 garLoopResultBuilder]: At program point s_alloc_stateENTRY(lines 9171 9190) the Hoare annotation is: true [2021-11-19 05:42:07,141 INFO L861 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2021-11-19 05:42:07,141 INFO L861 garLoopResultBuilder]: At program point L7020(lines 7001 7021) the Hoare annotation is: true [2021-11-19 05:42:07,141 INFO L858 garLoopResultBuilder]: For program point L7016-1(line 7016) no Hoare annotation was computed. [2021-11-19 05:42:07,141 INFO L861 garLoopResultBuilder]: At program point L7016(line 7016) the Hoare annotation is: true [2021-11-19 05:42:07,141 INFO L858 garLoopResultBuilder]: For program point L7018-1(line 7018) no Hoare annotation was computed. [2021-11-19 05:42:07,142 INFO L861 garLoopResultBuilder]: At program point L7010(line 7010) the Hoare annotation is: true [2021-11-19 05:42:07,142 INFO L858 garLoopResultBuilder]: For program point L7010-2(lines 7010 7014) no Hoare annotation was computed. [2021-11-19 05:42:07,142 INFO L858 garLoopResultBuilder]: For program point s_alloc_stateEXIT(lines 9171 9190) no Hoare annotation was computed. [2021-11-19 05:42:07,142 INFO L858 garLoopResultBuilder]: For program point L7010-1(line 7010) no Hoare annotation was computed. [2021-11-19 05:42:07,142 INFO L861 garLoopResultBuilder]: At program point L7002(line 7002) the Hoare annotation is: true [2021-11-19 05:42:07,142 INFO L858 garLoopResultBuilder]: For program point L7004-1(line 7004) no Hoare annotation was computed. [2021-11-19 05:42:07,143 INFO L861 garLoopResultBuilder]: At program point L7004(line 7004) the Hoare annotation is: true [2021-11-19 05:42:07,143 INFO L858 garLoopResultBuilder]: For program point L9182(lines 9182 9186) no Hoare annotation was computed. [2021-11-19 05:42:07,143 INFO L858 garLoopResultBuilder]: For program point L7002-2(line 7002) no Hoare annotation was computed. [2021-11-19 05:42:07,143 INFO L861 garLoopResultBuilder]: At program point L7002-1(line 7002) the Hoare annotation is: true [2021-11-19 05:42:07,143 INFO L858 garLoopResultBuilder]: For program point L7017-2(lines 7017 7019) no Hoare annotation was computed. [2021-11-19 05:42:07,144 INFO L858 garLoopResultBuilder]: For program point L7017(lines 7017 7019) no Hoare annotation was computed. [2021-11-19 05:42:07,144 INFO L858 garLoopResultBuilder]: For program point s_alloc_stateFINAL(lines 9171 9190) no Hoare annotation was computed. [2021-11-19 05:42:07,144 INFO L861 garLoopResultBuilder]: At program point L9437-1(line 9437) the Hoare annotation is: true [2021-11-19 05:42:07,144 INFO L858 garLoopResultBuilder]: For program point L9437-2(line 9437) no Hoare annotation was computed. [2021-11-19 05:42:07,144 INFO L861 garLoopResultBuilder]: At program point L9437-3(lines 9437 9439) the Hoare annotation is: true [2021-11-19 05:42:07,144 INFO L861 garLoopResultBuilder]: At program point L9478-5(lines 9433 9482) the Hoare annotation is: true [2021-11-19 05:42:07,145 INFO L858 garLoopResultBuilder]: For program point L9478-6(lines 9478 9481) no Hoare annotation was computed. [2021-11-19 05:42:07,145 INFO L861 garLoopResultBuilder]: At program point L9462-2(lines 9448 9476) the Hoare annotation is: true [2021-11-19 05:42:07,145 INFO L858 garLoopResultBuilder]: For program point L9462(lines 9462 9475) no Hoare annotation was computed. [2021-11-19 05:42:07,145 INFO L861 garLoopResultBuilder]: At program point s_emplace_itemENTRY(lines 9430 9482) the Hoare annotation is: true [2021-11-19 05:42:07,145 INFO L858 garLoopResultBuilder]: For program point s_emplace_itemFINAL(lines 9430 9482) no Hoare annotation was computed. [2021-11-19 05:42:07,146 INFO L861 garLoopResultBuilder]: At program point L9434(line 9434) the Hoare annotation is: true [2021-11-19 05:42:07,146 INFO L861 garLoopResultBuilder]: At program point L9434-1(line 9434) the Hoare annotation is: true [2021-11-19 05:42:07,146 INFO L858 garLoopResultBuilder]: For program point L9434-2(line 9434) no Hoare annotation was computed. [2021-11-19 05:42:07,146 INFO L858 garLoopResultBuilder]: For program point L9464(lines 9464 9466) no Hoare annotation was computed. [2021-11-19 05:42:07,146 INFO L858 garLoopResultBuilder]: For program point L9464-2(lines 9464 9466) no Hoare annotation was computed. [2021-11-19 05:42:07,147 INFO L858 garLoopResultBuilder]: For program point s_emplace_itemEXIT(lines 9430 9482) no Hoare annotation was computed. [2021-11-19 05:42:07,147 INFO L858 garLoopResultBuilder]: For program point L9448-1(lines 9448 9476) no Hoare annotation was computed. [2021-11-19 05:42:07,147 INFO L858 garLoopResultBuilder]: For program point L9436(lines 9436 9440) no Hoare annotation was computed. [2021-11-19 05:42:07,147 INFO L858 garLoopResultBuilder]: For program point L9436-1(lines 9436 9440) no Hoare annotation was computed. [2021-11-19 05:42:07,147 INFO L858 garLoopResultBuilder]: For program point L9478-1(line 9478) no Hoare annotation was computed. [2021-11-19 05:42:07,147 INFO L861 garLoopResultBuilder]: At program point L9478-3(line 9478) the Hoare annotation is: true [2021-11-19 05:42:07,148 INFO L858 garLoopResultBuilder]: For program point L9478-4(line 9478) no Hoare annotation was computed. [2021-11-19 05:42:07,148 INFO L858 garLoopResultBuilder]: For program point L9478(line 9478) no Hoare annotation was computed. [2021-11-19 05:42:07,148 INFO L858 garLoopResultBuilder]: For program point L9338(lines 9338 9340) no Hoare annotation was computed. [2021-11-19 05:42:07,148 INFO L858 garLoopResultBuilder]: For program point L9330(lines 9330 9332) no Hoare annotation was computed. [2021-11-19 05:42:07,148 INFO L858 garLoopResultBuilder]: For program point L9338-2(lines 9338 9340) no Hoare annotation was computed. [2021-11-19 05:42:07,148 INFO L858 garLoopResultBuilder]: For program point L9388(lines 9388 9396) no Hoare annotation was computed. [2021-11-19 05:42:07,149 INFO L858 garLoopResultBuilder]: For program point L9330-2(lines 9330 9332) no Hoare annotation was computed. [2021-11-19 05:42:07,149 INFO L858 garLoopResultBuilder]: For program point L9372(lines 9372 9375) no Hoare annotation was computed. [2021-11-19 05:42:07,149 INFO L858 garLoopResultBuilder]: For program point s_find_entryFINAL(lines 9321 9346) no Hoare annotation was computed. [2021-11-19 05:42:07,149 INFO L858 garLoopResultBuilder]: For program point s_find_entryEXIT(lines 9321 9346) no Hoare annotation was computed. [2021-11-19 05:42:07,149 INFO L861 garLoopResultBuilder]: At program point s_find_entryENTRY(lines 9321 9346) the Hoare annotation is: true [2021-11-19 05:42:07,150 INFO L858 garLoopResultBuilder]: For program point L9377-4(lines 9377 9380) no Hoare annotation was computed. [2021-11-19 05:42:07,150 INFO L858 garLoopResultBuilder]: For program point L9402(lines 9402 9404) no Hoare annotation was computed. [2021-11-19 05:42:07,150 INFO L858 garLoopResultBuilder]: For program point L9377(line 9377) no Hoare annotation was computed. [2021-11-19 05:42:07,150 INFO L861 garLoopResultBuilder]: At program point L9377-1(line 9377) the Hoare annotation is: true [2021-11-19 05:42:07,150 INFO L858 garLoopResultBuilder]: For program point L9377-2(line 9377) no Hoare annotation was computed. [2021-11-19 05:42:07,150 INFO L861 garLoopResultBuilder]: At program point L9406(lines 9348 9407) the Hoare annotation is: true [2021-11-19 05:42:07,151 INFO L861 garLoopResultBuilder]: At program point L9365-2(lines 9365 9399) the Hoare annotation is: true [2021-11-19 05:42:07,151 INFO L858 garLoopResultBuilder]: For program point L9365-3(lines 9365 9399) no Hoare annotation was computed. [2021-11-19 05:42:07,151 INFO L858 garLoopResultBuilder]: For program point L9402-2(lines 9402 9404) no Hoare annotation was computed. [2021-11-19 05:42:07,151 INFO L858 garLoopResultBuilder]: For program point L9337-4(lines 9337 9343) no Hoare annotation was computed. [2021-11-19 05:42:07,151 INFO L858 garLoopResultBuilder]: For program point L9337(line 9337) no Hoare annotation was computed. [2021-11-19 05:42:07,152 INFO L861 garLoopResultBuilder]: At program point L9337-1(line 9337) the Hoare annotation is: true [2021-11-19 05:42:07,152 INFO L858 garLoopResultBuilder]: For program point L9337-2(line 9337) no Hoare annotation was computed. [2021-11-19 05:42:07,152 INFO L858 garLoopResultBuilder]: For program point L9329(lines 9329 9335) no Hoare annotation was computed. [2021-11-19 05:42:07,152 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-19 05:42:07,152 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-19 05:42:07,153 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-19 05:42:07,153 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-19 05:42:07,153 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)|)) [2021-11-19 05:42:07,153 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-11-19 05:42:07,153 INFO L858 garLoopResultBuilder]: For program point L7385(lines 7385 7387) no Hoare annotation was computed. [2021-11-19 05:42:07,154 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-11-19 05:42:07,154 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6950 6952) no Hoare annotation was computed. [2021-11-19 05:42:07,154 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6950 6952) no Hoare annotation was computed. [2021-11-19 05:42:07,154 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6950 6952) the Hoare annotation is: true [2021-11-19 05:42:07,154 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|))) [2021-11-19 05:42:07,154 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2021-11-19 05:42:07,155 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2021-11-19 05:42:07,155 INFO L858 garLoopResultBuilder]: For program point aws_is_power_of_twoFINAL(lines 2626 2631) no Hoare annotation was computed. [2021-11-19 05:42:07,155 INFO L858 garLoopResultBuilder]: For program point aws_is_power_of_twoEXIT(lines 2626 2631) no Hoare annotation was computed. [2021-11-19 05:42:07,155 INFO L861 garLoopResultBuilder]: At program point aws_is_power_of_twoENTRY(lines 2626 2631) the Hoare annotation is: true [2021-11-19 05:42:07,155 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$.offset)|) .cse1)))) (or (and (= (select (select |#memory_int| |aws_add_size_checked_#in~r#1.base|) |aws_add_size_checked_#in~r#1.offset|) (+ |aws_add_size_checked_#in~b#1| |aws_add_size_checked_#in~a#1|)) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_13| Int)) (and (= (select |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_13|) 0) (= (store |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_13| 0) |#valid|))) .cse0) (not .cse1) (and (<= (+ |aws_add_size_checked_aws_add_u64_checked_#res#1| 1) 0) .cse0)))) [2021-11-19 05:42:07,156 INFO L854 garLoopResultBuilder]: At program point aws_add_size_checkedENTRY(lines 2613 2621) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-19 05:42:07,156 INFO L854 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |aws_add_size_checked_#in~b#1| |aws_add_size_checked_aws_add_u64_checked_~b#1|) (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |aws_add_size_checked_#in~r#1.base| |aws_add_size_checked_aws_add_u64_checked_~r#1.base|) (= |#memory_$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$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|) (= |aws_add_size_checked_#in~a#1| |aws_add_size_checked_aws_add_u64_checked_~a#1|))) [2021-11-19 05:42:07,156 INFO L858 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2021-11-19 05:42:07,156 INFO L854 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|))) [2021-11-19 05:42:07,157 INFO L858 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2021-11-19 05:42:07,157 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedFINAL(lines 2613 2621) no Hoare annotation was computed. [2021-11-19 05:42:07,157 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2021-11-19 05:42:07,157 INFO L858 garLoopResultBuilder]: For program point L6815-1(line 6815) no Hoare annotation was computed. [2021-11-19 05:42:07,157 INFO L854 garLoopResultBuilder]: At program point L6815(line 6815) the Hoare annotation is: (let ((.cse0 (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616))) (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) (exists ((|v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10| Int) (|v_~#s_common_log_subject_infos~0.base_3| Int)) (and (< |#StackHeapBarrier| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10|) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10|)) (not (= |v_~#s_common_log_subject_infos~0.base_3| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10|)) (= (select |#valid| |v_~#s_common_log_subject_infos~0.base_3|) 1) (= (select |#valid| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10|) 1) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |v_~#s_common_log_subject_infos~0.base_3|)))) (= (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|) (not (= .cse0 0)) (= (select |#valid| |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base|) 1) (<= .cse0 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|))) [2021-11-19 05:42:07,158 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|) (exists ((|v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_7| Int) (|v_~#s_common_log_subject_infos~0.base_3| Int)) (and (not (= |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_7| |v_~#s_common_log_subject_infos~0.base_3|)) (= (select |#valid| |v_~#s_common_log_subject_infos~0.base_3|) 1) (= (select |#valid| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_7|) 1) (< |#StackHeapBarrier| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_7|))) (<= (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|)) [2021-11-19 05:42:07,158 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) (exists ((|~#s_common_log_subject_infos~0.base| Int)) (and (not (= |~#s_common_log_subject_infos~0.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|)) (= (select |#valid| |~#s_common_log_subject_infos~0.base|) 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|) (= |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|)) [2021-11-19 05:42:07,158 INFO L861 garLoopResultBuilder]: At program point L10176(line 10176) the Hoare annotation is: true [2021-11-19 05:42:07,158 INFO L858 garLoopResultBuilder]: For program point L6815-3(line 6815) no Hoare annotation was computed. [2021-11-19 05:42:07,159 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)) (.cse2 (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|)) (.cse3 (< 0 |#StackHeapBarrier|)) (.cse4 (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|))) (or (let ((.cse1 (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616))) (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) (exists ((|v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10| Int) (|v_~#s_common_log_subject_infos~0.base_3| Int)) (and (< |#StackHeapBarrier| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10|) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10|)) (not (= |v_~#s_common_log_subject_infos~0.base_3| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10|)) (= (select |#valid| |v_~#s_common_log_subject_infos~0.base_3|) 1) (= (select |#valid| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10|) 1) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |v_~#s_common_log_subject_infos~0.base_3|)))) (= (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|) (not (= .cse1 0)) (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) (<= .cse1 4) .cse2 (= |ULTIMATE.start_ensure_allocated_hash_table_#t~ret550#1| 0) .cse3 .cse4)) (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|) .cse2 .cse3 .cse4))) [2021-11-19 05:42:07,159 INFO L858 garLoopResultBuilder]: For program point L10135-2(line 10135) no Hoare annotation was computed. [2021-11-19 05:42:07,159 INFO L858 garLoopResultBuilder]: For program point L6840-1(line 6840) no Hoare annotation was computed. [2021-11-19 05:42:07,159 INFO L858 garLoopResultBuilder]: For program point L10164(line 10164) no Hoare annotation was computed. [2021-11-19 05:42:07,159 INFO L854 garLoopResultBuilder]: At program point L6840(line 6840) the Hoare annotation is: false [2021-11-19 05:42:07,160 INFO L854 garLoopResultBuilder]: At program point L10164-2(line 10164) the Hoare annotation is: false [2021-11-19 05:42:07,160 INFO L854 garLoopResultBuilder]: At program point L10135(line 10135) the Hoare annotation is: false [2021-11-19 05:42:07,160 INFO L854 garLoopResultBuilder]: At program point L10135-1(line 10135) the Hoare annotation is: false [2021-11-19 05:42:07,160 INFO L854 garLoopResultBuilder]: At program point L10156-1(lines 10156 10157) the Hoare annotation is: false [2021-11-19 05:42:07,160 INFO L858 garLoopResultBuilder]: For program point L10164-3(line 10164) no Hoare annotation was computed. [2021-11-19 05:42:07,161 INFO L858 garLoopResultBuilder]: For program point L10160(lines 10160 10174) no Hoare annotation was computed. [2021-11-19 05:42:07,161 INFO L858 garLoopResultBuilder]: For program point L10160-1(lines 10160 10174) no Hoare annotation was computed. [2021-11-19 05:42:07,161 INFO L854 garLoopResultBuilder]: At program point L10173(line 10173) the Hoare annotation is: false [2021-11-19 05:42:07,161 INFO L858 garLoopResultBuilder]: For program point L6816-1(line 6816) no Hoare annotation was computed. [2021-11-19 05:42:07,161 INFO L858 garLoopResultBuilder]: For program point L10173-1(line 10173) no Hoare annotation was computed. [2021-11-19 05:42:07,161 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 05:42:07,162 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)) (.cse1 (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616))) (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) (exists ((|v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_14| Int) (|v_~#s_common_log_subject_infos~0.base_4| Int)) (and (= (select |#valid| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_14|) 1) (< |#StackHeapBarrier| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_14|) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_14|)) (not (= |v_~#s_common_log_subject_infos~0.base_4| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_14|)) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |v_~#s_common_log_subject_infos~0.base_4|)) (= (select |#valid| |v_~#s_common_log_subject_infos~0.base_4|) 1))) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (not (= .cse1 0)) (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) (<= .cse1 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|))) [2021-11-19 05:42:07,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 05:42:07,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 05:42:07,162 INFO L858 garLoopResultBuilder]: For program point L6812-1(line 6812) no Hoare annotation was computed. [2021-11-19 05:42:07,163 INFO L854 garLoopResultBuilder]: At program point L6812(line 6812) the Hoare annotation is: (let ((.cse0 (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616))) (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (or (and (= |ULTIMATE.start_ensure_allocated_hash_table_#t~ret549#1| 1) (not (= .cse0 0))) (= |ULTIMATE.start_ensure_allocated_hash_table_#t~ret549#1| 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|) (<= .cse0 4) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (exists ((|v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10| Int) (|v_~#s_common_log_subject_infos~0.base_3| Int)) (and (< |#StackHeapBarrier| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10|) (not (= |v_~#s_common_log_subject_infos~0.base_3| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10|)) (= (select |#valid| |v_~#s_common_log_subject_infos~0.base_3|) 1) (= (select |#valid| |v_ULTIMATE.start_ensure_allocated_hash_table_~map#1.base_BEFORE_CALL_10|) 1))) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|))) [2021-11-19 05:42:07,163 INFO L858 garLoopResultBuilder]: For program point L10132(lines 10132 10175) no Hoare annotation was computed. [2021-11-19 05:42:07,163 INFO L858 garLoopResultBuilder]: For program point L6841-1(line 6841) no Hoare annotation was computed. [2021-11-19 05:42:07,163 INFO L854 garLoopResultBuilder]: At program point L6841(line 6841) the Hoare annotation is: false [2021-11-19 05:42:07,164 INFO L854 garLoopResultBuilder]: At program point L6833(lines 6831 6834) the Hoare annotation is: false [2021-11-19 05:42:07,164 INFO L858 garLoopResultBuilder]: For program point L10161(lines 10161 10167) no Hoare annotation was computed. [2021-11-19 05:42:07,164 INFO L858 garLoopResultBuilder]: For program point L10161-2(lines 10160 10172) no Hoare annotation was computed. [2021-11-19 05:42:07,164 INFO L854 garLoopResultBuilder]: At program point L10141(line 10141) the Hoare annotation is: false [2021-11-19 05:42:07,164 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 05:42:07,165 INFO L858 garLoopResultBuilder]: For program point L10141-1(line 10141) no Hoare annotation was computed. [2021-11-19 05:42:07,165 INFO L854 garLoopResultBuilder]: At program point L10170(line 10170) the Hoare annotation is: false [2021-11-19 05:42:07,165 INFO L858 garLoopResultBuilder]: For program point L6809(lines 6809 6819) no Hoare annotation was computed. [2021-11-19 05:42:07,165 INFO L854 garLoopResultBuilder]: At program point L10162(line 10162) the Hoare annotation is: false [2021-11-19 05:42:07,165 INFO L854 garLoopResultBuilder]: At program point L10170-1(line 10170) the Hoare annotation is: false [2021-11-19 05:42:07,165 INFO L858 garLoopResultBuilder]: For program point L10170-2(line 10170) no Hoare annotation was computed. [2021-11-19 05:42:07,166 INFO L858 garLoopResultBuilder]: For program point L10154(lines 10154 10155) no Hoare annotation was computed. [2021-11-19 05:42:07,166 INFO L858 garLoopResultBuilder]: For program point L10162-1(line 10162) no Hoare annotation was computed. [2021-11-19 05:42:07,166 INFO L858 garLoopResultBuilder]: For program point L10154-2(lines 10154 10158) no Hoare annotation was computed. [2021-11-19 05:42:07,166 INFO L858 garLoopResultBuilder]: For program point L10154-3(lines 10154 10158) no Hoare annotation was computed. [2021-11-19 05:42:07,166 INFO L854 garLoopResultBuilder]: At program point L10138(line 10138) the Hoare annotation is: false [2021-11-19 05:42:07,167 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) (exists ((|~#s_common_log_subject_infos~0.base| Int)) (and (not (= |~#s_common_log_subject_infos~0.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|)) (= (select |#valid| |~#s_common_log_subject_infos~0.base|) 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|) (= |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|)) [2021-11-19 05:42:07,167 INFO L854 garLoopResultBuilder]: At program point L6843(lines 6837 6844) the Hoare annotation is: false [2021-11-19 05:42:07,167 INFO L858 garLoopResultBuilder]: For program point L6839-1(line 6839) no Hoare annotation was computed. [2021-11-19 05:42:07,167 INFO L854 garLoopResultBuilder]: At program point L6839(line 6839) the Hoare annotation is: false [2021-11-19 05:42:07,167 INFO L858 garLoopResultBuilder]: For program point L6810-1(line 6810) no Hoare annotation was computed. [2021-11-19 05:42:07,168 INFO L858 garLoopResultBuilder]: For program point L10138-1(line 10138) no Hoare annotation was computed. [2021-11-19 05:42:07,168 INFO L858 garLoopResultBuilder]: For program point L10159-2(line 10159) no Hoare annotation was computed. [2021-11-19 05:42:07,168 INFO L854 garLoopResultBuilder]: At program point L10159(line 10159) the Hoare annotation is: false [2021-11-19 05:42:07,168 INFO L854 garLoopResultBuilder]: At program point L10159-1(line 10159) the Hoare annotation is: false [2021-11-19 05:42:07,168 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-19 05:42:07,168 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-19 05:42:07,168 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-19 05:42:07,168 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-19 05:42:07,168 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-19 05:42:07,168 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-19 05:42:07,171 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] [2021-11-19 05:42:07,173 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:42:07,185 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:07,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:07,187 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:07,187 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:07,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:07,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:07,192 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:07,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:07,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:07,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:07,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:07,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:07,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:07,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:07,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:07,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:07,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:07,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:07,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:07,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:07,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:07,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:07,202 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:07,202 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:07,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:07,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:07,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:07,204 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:07,204 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:07,204 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:07,204 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:07,205 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:07,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:42:07 BoogieIcfgContainer [2021-11-19 05:42:07,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:42:07,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:42:07,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:42:07,209 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:42:07,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:37:50" (3/4) ... [2021-11-19 05:42:07,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 05:42:07,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure uninterpreted_equals [2021-11-19 05:42:07,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-19 05:42:07,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_uninterpreted_equals [2021-11-19 05:42:07,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_uninterpreted_hasher [2021-11-19 05:42:07,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_is_valid [2021-11-19 05:42:07,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-19 05:42:07,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2021-11-19 05:42:07,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_required_bytes [2021-11-19 05:42:07,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_calloc [2021-11-19 05:42:07,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_update_template_size [2021-11-19 05:42:07,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_allocator_is_valid [2021-11-19 05:42:07,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_hash_keys_eq [2021-11-19 05:42:07,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2021-11-19 05:42:07,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-19 05:42:07,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_hash_for [2021-11-19 05:42:07,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2021-11-19 05:42:07,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-19 05:42:07,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_create [2021-11-19 05:42:07,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_is_valid [2021-11-19 05:42:07,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_safe_eq_check [2021-11-19 05:42:07,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_alloc_state [2021-11-19 05:42:07,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_emplace_item [2021-11-19 05:42:07,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_find_entry [2021-11-19 05:42:07,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-19 05:42:07,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-11-19 05:42:07,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-19 05:42:07,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2021-11-19 05:42:07,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_power_of_two [2021-11-19 05:42:07,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2021-11-19 05:42:07,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-19 05:42:07,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 258 nodes and edges [2021-11-19 05:42:07,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2021-11-19 05:42:07,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2021-11-19 05:42:07,296 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-19 05:42:07,299 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-19 05:42:07,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-19 05:42:07,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 05:42:07,309 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 05:42:07,356 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) [2021-11-19 05:42:07,361 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))) [2021-11-19 05:42:08,563 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 05:42:08,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:42:08,564 INFO L158 Benchmark]: Toolchain (without parser) took 265949.27ms. Allocated memory was 104.9MB in the beginning and 327.2MB in the end (delta: 222.3MB). Free memory was 61.7MB in the beginning and 143.0MB in the end (delta: -81.3MB). Peak memory consumption was 234.9MB. Max. memory is 16.1GB. [2021-11-19 05:42:08,564 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:42:08,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3706.10ms. Allocated memory was 104.9MB in the beginning and 203.4MB in the end (delta: 98.6MB). Free memory was 61.5MB in the beginning and 110.6MB in the end (delta: -49.2MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2021-11-19 05:42:08,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 215.22ms. Allocated memory is still 203.4MB. Free memory was 110.6MB in the beginning and 97.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 05:42:08,566 INFO L158 Benchmark]: Boogie Preprocessor took 145.93ms. Allocated memory is still 203.4MB. Free memory was 97.0MB in the beginning and 85.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 05:42:08,566 INFO L158 Benchmark]: RCFGBuilder took 3475.51ms. Allocated memory was 203.4MB in the beginning and 257.9MB in the end (delta: 54.5MB). Free memory was 85.5MB in the beginning and 172.8MB in the end (delta: -87.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-19 05:42:08,567 INFO L158 Benchmark]: TraceAbstraction took 257043.64ms. Allocated memory was 257.9MB in the beginning and 327.2MB in the end (delta: 69.2MB). Free memory was 171.7MB in the beginning and 154.3MB in the end (delta: 17.4MB). Peak memory consumption was 181.9MB. Max. memory is 16.1GB. [2021-11-19 05:42:08,567 INFO L158 Benchmark]: Witness Printer took 1355.21ms. Allocated memory is still 327.2MB. Free memory was 154.3MB in the beginning and 143.0MB in the end (delta: 11.3MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. [2021-11-19 05:42:08,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3706.10ms. Allocated memory was 104.9MB in the beginning and 203.4MB in the end (delta: 98.6MB). Free memory was 61.5MB in the beginning and 110.6MB in the end (delta: -49.2MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 215.22ms. Allocated memory is still 203.4MB. Free memory was 110.6MB in the beginning and 97.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 145.93ms. Allocated memory is still 203.4MB. Free memory was 97.0MB in the beginning and 85.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3475.51ms. Allocated memory was 203.4MB in the beginning and 257.9MB in the end (delta: 54.5MB). Free memory was 85.5MB in the beginning and 172.8MB in the end (delta: -87.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 257043.64ms. Allocated memory was 257.9MB in the beginning and 327.2MB in the end (delta: 69.2MB). Free memory was 171.7MB in the beginning and 154.3MB in the end (delta: 17.4MB). Peak memory consumption was 181.9MB. Max. memory is 16.1GB. * Witness Printer took 1355.21ms. Allocated memory is still 327.2MB. Free memory was 154.3MB in the beginning and 143.0MB in the end (delta: 11.3MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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: 256.9s, OverallIterations: 20, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 64.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6711 SdHoareTripleChecker+Valid, 60.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6008 mSDsluCounter, 43444 SdHoareTripleChecker+Invalid, 55.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2735 IncrementalHoareTripleChecker+Unchecked, 35154 mSDsCounter, 3588 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22331 IncrementalHoareTripleChecker+Invalid, 28654 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3588 mSolverCounterUnsat, 8290 mSDtfsCounter, 22331 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2525 GetRequests, 2228 SyntacticMatches, 9 SemanticMatches, 288 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1138 ImplicationChecksByTransitivity, 19.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=533occurred in iteration=19, InterpolantAutomatonStates: 240, 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, 1159 HoareAnnotationTreeSize, 3531 FomulaSimplifications, 91488 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 134 FomulaSimplificationsInter, 2677 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 146.6s SatisfiabilityAnalysisTime, 37.5s InterpolantComputationTime, 3877 NumberOfCodeBlocks, 3877 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3907 ConstructedInterpolants, 63 QuantifiedInterpolants, 9315 SizeOfPredicates, 80 NumberOfNonLiveVariables, 19968 ConjunctsInSsa, 481 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 4503/4558 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 [2021-11-19 05:42:08,586 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:08,587 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:08,587 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:08,587 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:08,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:08,588 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:08,589 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:08,589 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:08,589 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:08,589 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:08,590 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:08,590 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 [2021-11-19 05:42:08,604 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:08,604 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:08,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:08,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:08,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:08,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:08,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:08,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:08,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:08,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:08,607 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:08,607 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_13,QUANTIFIED] [2021-11-19 05:42:08,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:08,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:08,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:08,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:08,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:08,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-19 05:42:08,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-19 05:42:08,608 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! [2021-11-19 05:42:08,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e8a8bb-1e7c-4137-89f0-677aafc85932/bin/uautomizer-ZXIjhQolGL/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