./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0 --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 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:56:03,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:56:03,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:56:03,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:56:03,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:56:03,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:56:03,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:56:03,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:56:03,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:56:03,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:56:03,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:56:03,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:56:03,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:56:03,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:56:03,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:56:03,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:56:03,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:56:03,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:56:03,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:56:03,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:56:03,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:56:03,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:56:03,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:56:03,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:56:03,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:56:03,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:56:03,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:56:03,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:56:03,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:56:03,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:56:03,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:56:03,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:56:03,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:56:03,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:56:03,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:56:03,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:56:03,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:56:03,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:56:03,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:56:03,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:56:03,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:56:03,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 14:56:03,683 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:56:03,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:56:03,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:56:03,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:56:03,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:56:03,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:56:03,686 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:56:03,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:56:03,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:56:03,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:56:03,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:56:03,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:56:03,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:56:03,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:56:03,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:56:03,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:56:03,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:56:03,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:56:03,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:56:03,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:56:03,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:56:03,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:56:03,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:56:03,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:56:03,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:56:03,691 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:56:03,691 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:56:03,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:56:03,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:56:03,692 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_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-11-22 14:56:03,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:56:03,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:56:03,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:56:03,997 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:56:03,998 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:56:04,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-11-22 14:56:04,112 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/data/20a6c0004/cf5cecf2d0b94ec993aa7c58ef12672f/FLAG72155b415 [2021-11-22 14:56:05,343 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:56:05,344 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-11-22 14:56:05,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/data/20a6c0004/cf5cecf2d0b94ec993aa7c58ef12672f/FLAG72155b415 [2021-11-22 14:56:05,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/data/20a6c0004/cf5cecf2d0b94ec993aa7c58ef12672f [2021-11-22 14:56:05,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:56:05,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:56:05,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:56:05,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:56:05,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:56:05,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:56:05" (1/1) ... [2021-11-22 14:56:05,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b79309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:05, skipping insertion in model container [2021-11-22 14:56:05,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:56:05" (1/1) ... [2021-11-22 14:56:05,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:56:05,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:56:06,272 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_eabfcf9c-781c-4aae-a853-39c7894491f9/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-11-22 14:56:06,285 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_eabfcf9c-781c-4aae-a853-39c7894491f9/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-11-22 14:56:07,736 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:07,737 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:07,738 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:07,739 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:07,741 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:07,763 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:07,764 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:07,768 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:07,769 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:07,772 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:07,774 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:07,776 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:07,777 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:08,409 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 14:56:08,411 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 14:56:08,413 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 14:56:08,415 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 14:56:08,417 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 14:56:08,419 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 14:56:08,420 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 14:56:08,421 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 14:56:08,423 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 14:56:08,424 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 14:56:08,717 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 14:56:09,341 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,342 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,382 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,385 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,396 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,396 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,430 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,442 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,443 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,444 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,445 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,445 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,446 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:56:09,555 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:56:09,573 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_eabfcf9c-781c-4aae-a853-39c7894491f9/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-11-22 14:56:09,574 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_eabfcf9c-781c-4aae-a853-39c7894491f9/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-11-22 14:56:09,617 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,618 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,618 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,619 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,620 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,628 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,628 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,630 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,630 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,632 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,634 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,675 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 14:56:09,676 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 14:56:09,677 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 14:56:09,679 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 14:56:09,680 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 14:56:09,681 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 14:56:09,682 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 14:56:09,682 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 14:56:09,683 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 14:56:09,684 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 14:56:09,778 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 14:56:09,905 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,906 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,917 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,918 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,922 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,923 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,934 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,935 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,938 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,938 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,939 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,940 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,941 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:56:09,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:56:10,493 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:56:10,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:10 WrapperNode [2021-11-22 14:56:10,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:56:10,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:56:10,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:56:10,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:56:10,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:10" (1/1) ... [2021-11-22 14:56:10,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:10" (1/1) ... [2021-11-22 14:56:10,847 INFO L137 Inliner]: procedures = 774, calls = 2483, calls flagged for inlining = 783, calls inlined = 20, statements flattened = 1102 [2021-11-22 14:56:10,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:56:10,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:56:10,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:56:10,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:56:10,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:10" (1/1) ... [2021-11-22 14:56:10,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:10" (1/1) ... [2021-11-22 14:56:10,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:10" (1/1) ... [2021-11-22 14:56:10,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:10" (1/1) ... [2021-11-22 14:56:10,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:10" (1/1) ... [2021-11-22 14:56:10,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:10" (1/1) ... [2021-11-22 14:56:10,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:10" (1/1) ... [2021-11-22 14:56:10,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:56:10,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:56:10,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:56:10,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:56:10,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:10" (1/1) ... [2021-11-22 14:56:10,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:56:11,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:11,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:11,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:56:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:56:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 14:56:11,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:56:11,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 14:56:11,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:56:11,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:56:11,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:56:11,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:56:11,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:56:11,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 14:56:11,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:56:11,643 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:56:11,645 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:56:13,184 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume !true; [2021-11-22 14:56:13,184 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:56:13,195 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:56:13,195 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-22 14:56:13,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:56:13 BoogieIcfgContainer [2021-11-22 14:56:13,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:56:13,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:56:13,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:56:13,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:56:13,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:56:05" (1/3) ... [2021-11-22 14:56:13,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396736e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:56:13, skipping insertion in model container [2021-11-22 14:56:13,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:10" (2/3) ... [2021-11-22 14:56:13,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396736e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:56:13, skipping insertion in model container [2021-11-22 14:56:13,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:56:13" (3/3) ... [2021-11-22 14:56:13,209 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2021-11-22 14:56:13,216 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:56:13,217 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 14:56:13,282 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:56:13,291 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 [2021-11-22 14:56:13,291 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 14:56:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.5575221238938053) internal successors, (176), 114 states have internal predecessors, (176), 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) [2021-11-22 14:56:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 14:56:13,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:56:13,325 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:56:13,326 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:56:13,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:56:13,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2017125498, now seen corresponding path program 1 times [2021-11-22 14:56:13,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:56:13,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110694794] [2021-11-22 14:56:13,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:56:13,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:56:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:56:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:56:14,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:56:14,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110694794] [2021-11-22 14:56:14,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110694794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:56:14,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:56:14,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:56:14,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943542956] [2021-11-22 14:56:14,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:56:14,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 14:56:14,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:56:14,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 14:56:14,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 14:56:14,064 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.5575221238938053) internal successors, (176), 114 states have internal predecessors, (176), 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) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-11-22 14:56:14,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:56:14,101 INFO L93 Difference]: Finished difference Result 225 states and 346 transitions. [2021-11-22 14:56:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 14:56:14,104 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) Word has length 44 [2021-11-22 14:56:14,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:56:14,119 INFO L225 Difference]: With dead ends: 225 [2021-11-22 14:56:14,119 INFO L226 Difference]: Without dead ends: 108 [2021-11-22 14:56:14,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 14:56:14,129 INFO L933 BasicCegarLoop]: 166 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, 166 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 [2021-11-22 14:56:14,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:56:14,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-11-22 14:56:14,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-11-22 14:56:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.4953271028037383) internal successors, (160), 107 states have internal predecessors, (160), 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) [2021-11-22 14:56:14,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 160 transitions. [2021-11-22 14:56:14,188 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 160 transitions. Word has length 44 [2021-11-22 14:56:14,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:56:14,189 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 160 transitions. [2021-11-22 14:56:14,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-11-22 14:56:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2021-11-22 14:56:14,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 14:56:14,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:56:14,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:56:14,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:56:14,193 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:56:14,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:56:14,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1074584392, now seen corresponding path program 1 times [2021-11-22 14:56:14,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:56:14,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461455904] [2021-11-22 14:56:14,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:56:14,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:56:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:56:15,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:56:15,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:56:15,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461455904] [2021-11-22 14:56:15,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461455904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:56:15,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:56:15,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 14:56:15,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813839465] [2021-11-22 14:56:15,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:56:15,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 14:56:15,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:56:15,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 14:56:15,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:56:15,160 INFO L87 Difference]: Start difference. First operand 108 states and 160 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-11-22 14:56:15,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:56:15,282 INFO L93 Difference]: Finished difference Result 108 states and 160 transitions. [2021-11-22 14:56:15,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 14:56:15,282 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) Word has length 44 [2021-11-22 14:56:15,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:56:15,283 INFO L225 Difference]: With dead ends: 108 [2021-11-22 14:56:15,283 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 14:56:15,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-22 14:56:15,290 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:56:15,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 4 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:56:15,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 14:56:15,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 14:56:15,300 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) [2021-11-22 14:56:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 14:56:15,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2021-11-22 14:56:15,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:56:15,301 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:56:15,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-11-22 14:56:15,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 14:56:15,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 14:56:15,306 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-22 14:56:15,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 14:56:15,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 14:56:15,353 INFO L858 garLoopResultBuilder]: For program point L8921(line 8921) no Hoare annotation was computed. [2021-11-22 14:56:15,353 INFO L858 garLoopResultBuilder]: For program point L8921-2(line 8921) no Hoare annotation was computed. [2021-11-22 14:56:15,353 INFO L858 garLoopResultBuilder]: For program point L8971(line 8971) no Hoare annotation was computed. [2021-11-22 14:56:15,354 INFO L858 garLoopResultBuilder]: For program point L8872(line 8872) no Hoare annotation was computed. [2021-11-22 14:56:15,354 INFO L858 garLoopResultBuilder]: For program point L8922(line 8922) no Hoare annotation was computed. [2021-11-22 14:56:15,354 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 14:56:15,354 INFO L858 garLoopResultBuilder]: For program point L8856-3(lines 8856 8864) no Hoare annotation was computed. [2021-11-22 14:56:15,355 INFO L854 garLoopResultBuilder]: At program point L8856-2(lines 8856 8864) the Hoare annotation is: false [2021-11-22 14:56:15,355 INFO L858 garLoopResultBuilder]: For program point L8873(line 8873) no Hoare annotation was computed. [2021-11-22 14:56:15,355 INFO L854 garLoopResultBuilder]: At program point L8956(lines 8956 8972) the Hoare annotation is: false [2021-11-22 14:56:15,355 INFO L854 garLoopResultBuilder]: At program point L8890-2(lines 8890 8898) the Hoare annotation is: false [2021-11-22 14:56:15,356 INFO L858 garLoopResultBuilder]: For program point L8890-3(lines 8890 8898) no Hoare annotation was computed. [2021-11-22 14:56:15,356 INFO L858 garLoopResultBuilder]: For program point L8874(line 8874) no Hoare annotation was computed. [2021-11-22 14:56:15,356 INFO L858 garLoopResultBuilder]: For program point L8924(line 8924) no Hoare annotation was computed. [2021-11-22 14:56:15,356 INFO L858 garLoopResultBuilder]: For program point L8924-2(line 8924) no Hoare annotation was computed. [2021-11-22 14:56:15,359 INFO L854 garLoopResultBuilder]: At program point L6876(lines 6867 6877) the Hoare annotation is: false [2021-11-22 14:56:15,360 INFO L858 garLoopResultBuilder]: For program point L8908(line 8908) no Hoare annotation was computed. [2021-11-22 14:56:15,364 INFO L858 garLoopResultBuilder]: For program point L8875(line 8875) no Hoare annotation was computed. [2021-11-22 14:56:15,365 INFO L858 garLoopResultBuilder]: For program point L8908-2(line 8908) no Hoare annotation was computed. [2021-11-22 14:56:15,366 INFO L858 garLoopResultBuilder]: For program point L10246(lines 10246 10249) no Hoare annotation was computed. [2021-11-22 14:56:15,366 INFO L858 garLoopResultBuilder]: For program point L8925(line 8925) no Hoare annotation was computed. [2021-11-22 14:56:15,366 INFO L858 garLoopResultBuilder]: For program point L8958-2(line 8958) no Hoare annotation was computed. [2021-11-22 14:56:15,366 INFO L858 garLoopResultBuilder]: For program point L8958(line 8958) no Hoare annotation was computed. [2021-11-22 14:56:15,367 INFO L858 garLoopResultBuilder]: For program point L8909(line 8909) no Hoare annotation was computed. [2021-11-22 14:56:15,367 INFO L858 garLoopResultBuilder]: For program point L8876(line 8876) no Hoare annotation was computed. [2021-11-22 14:56:15,367 INFO L858 garLoopResultBuilder]: For program point L8959-2(line 8959) no Hoare annotation was computed. [2021-11-22 14:56:15,367 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-22 14:56:15,368 INFO L858 garLoopResultBuilder]: For program point L8959(line 8959) no Hoare annotation was computed. [2021-11-22 14:56:15,368 INFO L858 garLoopResultBuilder]: For program point L8877(line 8877) no Hoare annotation was computed. [2021-11-22 14:56:15,368 INFO L854 garLoopResultBuilder]: At program point L9951-2(line 9951) the Hoare annotation is: false [2021-11-22 14:56:15,368 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 14:56:15,369 INFO L858 garLoopResultBuilder]: For program point L9951-3(line 9951) no Hoare annotation was computed. [2021-11-22 14:56:15,369 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-22 14:56:15,370 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-22 14:56:15,370 INFO L858 garLoopResultBuilder]: For program point L8960(line 8960) no Hoare annotation was computed. [2021-11-22 14:56:15,370 INFO L858 garLoopResultBuilder]: For program point L8927(line 8927) no Hoare annotation was computed. [2021-11-22 14:56:15,370 INFO L858 garLoopResultBuilder]: For program point L8960-2(line 8960) no Hoare annotation was computed. [2021-11-22 14:56:15,371 INFO L858 garLoopResultBuilder]: For program point L8878(line 8878) no Hoare annotation was computed. [2021-11-22 14:56:15,372 INFO L858 garLoopResultBuilder]: For program point L8961(line 8961) no Hoare annotation was computed. [2021-11-22 14:56:15,373 INFO L858 garLoopResultBuilder]: For program point L8961-2(line 8961) no Hoare annotation was computed. [2021-11-22 14:56:15,373 INFO L854 garLoopResultBuilder]: At program point L6864(lines 6861 6865) the Hoare annotation is: false [2021-11-22 14:56:15,373 INFO L861 garLoopResultBuilder]: At program point L10250(line 10250) the Hoare annotation is: true [2021-11-22 14:56:15,374 INFO L858 garLoopResultBuilder]: For program point L8879(line 8879) no Hoare annotation was computed. [2021-11-22 14:56:15,375 INFO L858 garLoopResultBuilder]: For program point L8962(line 8962) no Hoare annotation was computed. [2021-11-22 14:56:15,375 INFO L854 garLoopResultBuilder]: At program point L6947(lines 6943 6948) the Hoare annotation is: false [2021-11-22 14:56:15,375 INFO L858 garLoopResultBuilder]: For program point L8929(line 8929) no Hoare annotation was computed. [2021-11-22 14:56:15,376 INFO L858 garLoopResultBuilder]: For program point L8962-2(line 8962) no Hoare annotation was computed. [2021-11-22 14:56:15,377 INFO L858 garLoopResultBuilder]: For program point L8913(line 8913) no Hoare annotation was computed. [2021-11-22 14:56:15,380 INFO L858 garLoopResultBuilder]: For program point L8880(line 8880) no Hoare annotation was computed. [2021-11-22 14:56:15,380 INFO L858 garLoopResultBuilder]: For program point L8913-2(line 8913) no Hoare annotation was computed. [2021-11-22 14:56:15,381 INFO L858 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2021-11-22 14:56:15,381 INFO L858 garLoopResultBuilder]: For program point L8963-2(line 8963) no Hoare annotation was computed. [2021-11-22 14:56:15,381 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 14:56:15,381 INFO L858 garLoopResultBuilder]: For program point L8914(line 8914) no Hoare annotation was computed. [2021-11-22 14:56:15,382 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-22 14:56:15,382 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-22 14:56:15,382 INFO L858 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-22 14:56:15,390 INFO L858 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-22 14:56:15,392 INFO L858 garLoopResultBuilder]: For program point L8881(line 8881) no Hoare annotation was computed. [2021-11-22 14:56:15,393 INFO L858 garLoopResultBuilder]: For program point L8964(line 8964) no Hoare annotation was computed. [2021-11-22 14:56:15,393 INFO L858 garLoopResultBuilder]: For program point L8964-2(line 8964) no Hoare annotation was computed. [2021-11-22 14:56:15,393 INFO L858 garLoopResultBuilder]: For program point L6305-2(line 6305) no Hoare annotation was computed. [2021-11-22 14:56:15,393 INFO L858 garLoopResultBuilder]: For program point L6305-3(line 6305) no Hoare annotation was computed. [2021-11-22 14:56:15,394 INFO L858 garLoopResultBuilder]: For program point L6305(line 6305) no Hoare annotation was computed. [2021-11-22 14:56:15,394 INFO L854 garLoopResultBuilder]: At program point L6305-6(lines 6301 6306) the Hoare annotation is: false [2021-11-22 14:56:15,394 INFO L858 garLoopResultBuilder]: For program point L6305-7(line 6305) no Hoare annotation was computed. [2021-11-22 14:56:15,394 INFO L858 garLoopResultBuilder]: For program point L6305-5(line 6305) no Hoare annotation was computed. [2021-11-22 14:56:15,395 INFO L858 garLoopResultBuilder]: For program point L6305-10(line 6305) no Hoare annotation was computed. [2021-11-22 14:56:15,395 INFO L858 garLoopResultBuilder]: For program point L6305-9(line 6305) no Hoare annotation was computed. [2021-11-22 14:56:15,395 INFO L858 garLoopResultBuilder]: For program point L8882(line 8882) no Hoare annotation was computed. [2021-11-22 14:56:15,395 INFO L858 garLoopResultBuilder]: For program point L6305-14(line 6305) no Hoare annotation was computed. [2021-11-22 14:56:15,395 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-22 14:56:15,396 INFO L858 garLoopResultBuilder]: For program point L6305-12(line 6305) no Hoare annotation was computed. [2021-11-22 14:56:15,396 INFO L854 garLoopResultBuilder]: At program point L6305-13(lines 6301 6306) the Hoare annotation is: false [2021-11-22 14:56:15,396 INFO L858 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-22 14:56:15,396 INFO L858 garLoopResultBuilder]: For program point L6305-19(line 6305) no Hoare annotation was computed. [2021-11-22 14:56:15,397 INFO L858 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-22 14:56:15,397 INFO L858 garLoopResultBuilder]: For program point L6305-16(line 6305) no Hoare annotation was computed. [2021-11-22 14:56:15,397 INFO L858 garLoopResultBuilder]: For program point L6305-17(line 6305) no Hoare annotation was computed. [2021-11-22 14:56:15,398 INFO L858 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-22 14:56:15,399 INFO L854 garLoopResultBuilder]: At program point L6305-20(lines 6301 6306) the Hoare annotation is: false [2021-11-22 14:56:15,400 INFO L858 garLoopResultBuilder]: For program point L8965(line 8965) no Hoare annotation was computed. [2021-11-22 14:56:15,400 INFO L858 garLoopResultBuilder]: For program point L8965-2(line 8965) no Hoare annotation was computed. [2021-11-22 14:56:15,400 INFO L854 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-11-22 14:56:15,400 INFO L854 garLoopResultBuilder]: At program point L6951(lines 6950 6952) the Hoare annotation is: false [2021-11-22 14:56:15,403 INFO L858 garLoopResultBuilder]: For program point L8966-2(line 8966) no Hoare annotation was computed. [2021-11-22 14:56:15,404 INFO L858 garLoopResultBuilder]: For program point L8966(line 8966) no Hoare annotation was computed. [2021-11-22 14:56:15,404 INFO L858 garLoopResultBuilder]: For program point L8917(line 8917) no Hoare annotation was computed. [2021-11-22 14:56:15,404 INFO L858 garLoopResultBuilder]: For program point L8917-2(line 8917) no Hoare annotation was computed. [2021-11-22 14:56:15,404 INFO L858 garLoopResultBuilder]: For program point L8967-2(line 8967) no Hoare annotation was computed. [2021-11-22 14:56:15,404 INFO L854 garLoopResultBuilder]: At program point L8868(lines 8868 8883) the Hoare annotation is: false [2021-11-22 14:56:15,405 INFO L858 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2021-11-22 14:56:15,405 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 14:56:15,405 INFO L858 garLoopResultBuilder]: For program point L8852(line 8852) no Hoare annotation was computed. [2021-11-22 14:56:15,405 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-22 14:56:15,406 INFO L858 garLoopResultBuilder]: For program point L8852-2(lines 8852 8973) no Hoare annotation was computed. [2021-11-22 14:56:15,406 INFO L858 garLoopResultBuilder]: For program point L8918(line 8918) no Hoare annotation was computed. [2021-11-22 14:56:15,406 INFO L858 garLoopResultBuilder]: For program point L8968(line 8968) no Hoare annotation was computed. [2021-11-22 14:56:15,406 INFO L854 garLoopResultBuilder]: At program point L8902(lines 8902 8930) the Hoare annotation is: false [2021-11-22 14:56:15,407 INFO L858 garLoopResultBuilder]: For program point L8968-2(line 8968) no Hoare annotation was computed. [2021-11-22 14:56:15,407 INFO L858 garLoopResultBuilder]: For program point L6871(lines 6871 6872) no Hoare annotation was computed. [2021-11-22 14:56:15,407 INFO L858 garLoopResultBuilder]: For program point L8886-2(lines 8886 8973) no Hoare annotation was computed. [2021-11-22 14:56:15,407 INFO L858 garLoopResultBuilder]: For program point L8886-4(lines 8852 8973) no Hoare annotation was computed. [2021-11-22 14:56:15,407 INFO L858 garLoopResultBuilder]: For program point L6871-2(lines 6871 6872) no Hoare annotation was computed. [2021-11-22 14:56:15,408 INFO L858 garLoopResultBuilder]: For program point L8886(line 8886) no Hoare annotation was computed. [2021-11-22 14:56:15,409 INFO L858 garLoopResultBuilder]: For program point L8936-3(lines 8936 8953) no Hoare annotation was computed. [2021-11-22 14:56:15,410 INFO L858 garLoopResultBuilder]: For program point L8969(line 8969) no Hoare annotation was computed. [2021-11-22 14:56:15,410 INFO L858 garLoopResultBuilder]: For program point L8870(line 8870) no Hoare annotation was computed. [2021-11-22 14:56:15,410 INFO L854 garLoopResultBuilder]: At program point L8936-2(lines 8936 8953) the Hoare annotation is: false [2021-11-22 14:56:15,410 INFO L854 garLoopResultBuilder]: At program point L6294(lines 6291 6295) the Hoare annotation is: false [2021-11-22 14:56:15,411 INFO L861 garLoopResultBuilder]: At program point L9944(lines 9944 9952) the Hoare annotation is: true [2021-11-22 14:56:15,411 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 32 |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1|) [2021-11-22 14:56:15,411 INFO L858 garLoopResultBuilder]: For program point L8904(line 8904) no Hoare annotation was computed. [2021-11-22 14:56:15,411 INFO L858 garLoopResultBuilder]: For program point L8871(line 8871) no Hoare annotation was computed. [2021-11-22 14:56:15,411 INFO L854 garLoopResultBuilder]: At program point L8838(lines 8838 8977) the Hoare annotation is: false [2021-11-22 14:56:15,419 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-22 14:56:15,421 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 14:56:15,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:56:15 BoogieIcfgContainer [2021-11-22 14:56:15,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 14:56:15,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:56:15,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:56:15,446 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:56:15,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:56:13" (3/4) ... [2021-11-22 14:56:15,450 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 14:56:15,490 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2021-11-22 14:56:15,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2021-11-22 14:56:15,496 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-22 14:56:15,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-22 14:56:15,502 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-22 14:56:15,505 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-22 14:56:15,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 14:56:15,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 14:56:16,552 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 14:56:16,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:56:16,553 INFO L158 Benchmark]: Toolchain (without parser) took 10918.25ms. Allocated memory was 92.3MB in the beginning and 276.8MB in the end (delta: 184.5MB). Free memory was 51.0MB in the beginning and 94.5MB in the end (delta: -43.5MB). Peak memory consumption was 161.0MB. Max. memory is 16.1GB. [2021-11-22 14:56:16,554 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:56:16,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4855.55ms. Allocated memory was 92.3MB in the beginning and 178.3MB in the end (delta: 86.0MB). Free memory was 50.8MB in the beginning and 77.5MB in the end (delta: -26.7MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2021-11-22 14:56:16,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 352.30ms. Allocated memory is still 178.3MB. Free memory was 77.5MB in the beginning and 112.7MB in the end (delta: -35.2MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2021-11-22 14:56:16,556 INFO L158 Benchmark]: Boogie Preprocessor took 130.76ms. Allocated memory is still 178.3MB. Free memory was 112.7MB in the beginning and 106.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 14:56:16,556 INFO L158 Benchmark]: RCFGBuilder took 2216.54ms. Allocated memory is still 178.3MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.0MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2021-11-22 14:56:16,557 INFO L158 Benchmark]: TraceAbstraction took 2243.80ms. Allocated memory was 178.3MB in the beginning and 230.7MB in the end (delta: 52.4MB). Free memory was 103.3MB in the beginning and 105.4MB in the end (delta: -2.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-11-22 14:56:16,557 INFO L158 Benchmark]: Witness Printer took 1107.28ms. Allocated memory was 230.7MB in the beginning and 276.8MB in the end (delta: 46.1MB). Free memory was 105.4MB in the beginning and 94.5MB in the end (delta: 10.9MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2021-11-22 14:56:16,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4855.55ms. Allocated memory was 92.3MB in the beginning and 178.3MB in the end (delta: 86.0MB). Free memory was 50.8MB in the beginning and 77.5MB in the end (delta: -26.7MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 352.30ms. Allocated memory is still 178.3MB. Free memory was 77.5MB in the beginning and 112.7MB in the end (delta: -35.2MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.76ms. Allocated memory is still 178.3MB. Free memory was 112.7MB in the beginning and 106.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2216.54ms. Allocated memory is still 178.3MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.0MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2243.80ms. Allocated memory was 178.3MB in the beginning and 230.7MB in the end (delta: 52.4MB). Free memory was 103.3MB in the beginning and 105.4MB in the end (delta: -2.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 1107.28ms. Allocated memory was 230.7MB in the beginning and 276.8MB in the end (delta: 46.1MB). Free memory was 105.4MB in the beginning and 94.5MB in the end (delta: 10.9MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * 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 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 168 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 22 NumberOfFragments, 22 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 6943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9944]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 32 == max_size - InvariantResult [Line: 6861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9951]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-22 14:56:16,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabfcf9c-781c-4aae-a853-39c7894491f9/bin/uautomizer-w2VwFs6gM0/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