./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro --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 c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:37:51,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:37:51,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:37:51,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:37:51,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:37:51,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:37:51,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:37:51,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:37:51,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:37:51,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:37:51,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:37:51,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:37:51,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:37:51,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:37:51,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:37:51,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:37:51,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:37:51,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:37:51,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:37:51,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:37:51,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:37:51,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:37:51,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:37:51,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:37:51,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:37:51,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:37:51,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:37:51,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:37:51,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:37:51,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:37:51,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:37:51,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:37:51,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:37:51,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:37:51,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:37:51,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:37:51,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:37:51,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:37:51,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:37:51,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:37:51,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:37:51,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:37:51,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:37:51,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:37:51,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:37:51,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:37:51,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:37:51,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:37:51,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:37:51,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:37:51,637 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:37:51,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:37:51,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:37:51,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:37:51,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:37:51,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:37:51,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:37:51,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:37:51,639 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:37:51,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:37:51,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:37:51,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:37:51,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:37:51,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:37:51,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:37:51,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:37:51,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:37:51,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:37:51,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:37:51,642 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:37:51,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:37:51,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:37:51,642 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_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d [2022-11-18 19:37:51,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:37:51,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:37:51,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:37:51,916 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:37:51,917 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:37:51,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2022-11-18 19:37:51,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/data/0a5173767/1f811f91c63b4b6f958286e3c7985e1a/FLAG49029b2d5 [2022-11-18 19:37:52,781 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:37:52,782 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2022-11-18 19:37:52,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/data/0a5173767/1f811f91c63b4b6f958286e3c7985e1a/FLAG49029b2d5 [2022-11-18 19:37:53,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/data/0a5173767/1f811f91c63b4b6f958286e3c7985e1a [2022-11-18 19:37:53,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:37:53,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:37:53,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:37:53,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:37:53,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:37:53,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376b7dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:53, skipping insertion in model container [2022-11-18 19:37:53,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:37:53" (1/1) ... [2022-11-18 19:37:53,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:37:53,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:37:53,738 WARN L234 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_d539b812-4545-4445-b18d-0b2e8fac1eba/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4501,4514] [2022-11-18 19:37:53,745 WARN L234 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_d539b812-4545-4445-b18d-0b2e8fac1eba/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4561,4574] [2022-11-18 19:37:54,624 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:54,625 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:54,625 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:54,626 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:54,627 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:54,642 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:54,643 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:54,645 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:54,645 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,044 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-18 19:37:55,046 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-18 19:37:55,047 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-18 19:37:55,048 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-18 19:37:55,050 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-18 19:37:55,051 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-18 19:37:55,051 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-18 19:37:55,052 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-18 19:37:55,053 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-18 19:37:55,054 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-18 19:37:55,281 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-18 19:37:55,482 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,484 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:37:55,627 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:37:55,641 WARN L234 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_d539b812-4545-4445-b18d-0b2e8fac1eba/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4501,4514] [2022-11-18 19:37:55,642 WARN L234 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_d539b812-4545-4445-b18d-0b2e8fac1eba/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i[4561,4574] [2022-11-18 19:37:55,694 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,694 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,695 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,696 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,696 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,702 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,703 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,704 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,705 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,754 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-18 19:37:55,755 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-18 19:37:55,756 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-18 19:37:55,756 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-18 19:37:55,759 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-18 19:37:55,759 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-18 19:37:55,760 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-18 19:37:55,760 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-18 19:37:55,761 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-18 19:37:55,761 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-18 19:37:55,789 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-18 19:37:55,838 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,838 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 19:37:55,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:37:56,202 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:37:56,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56 WrapperNode [2022-11-18 19:37:56,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:37:56,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:37:56,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:37:56,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:37:56,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56" (1/1) ... [2022-11-18 19:37:56,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56" (1/1) ... [2022-11-18 19:37:56,385 INFO L138 Inliner]: procedures = 693, calls = 2784, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 832 [2022-11-18 19:37:56,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:37:56,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:37:56,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:37:56,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:37:56,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56" (1/1) ... [2022-11-18 19:37:56,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56" (1/1) ... [2022-11-18 19:37:56,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56" (1/1) ... [2022-11-18 19:37:56,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56" (1/1) ... [2022-11-18 19:37:56,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56" (1/1) ... [2022-11-18 19:37:56,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56" (1/1) ... [2022-11-18 19:37:56,440 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56" (1/1) ... [2022-11-18 19:37:56,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56" (1/1) ... [2022-11-18 19:37:56,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:37:56,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:37:56,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:37:56,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:37:56,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56" (1/1) ... [2022-11-18 19:37:56,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:37:56,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:37:56,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:37:56,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:37:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-18 19:37:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-18 19:37:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2022-11-18 19:37:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2022-11-18 19:37:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-11-18 19:37:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-11-18 19:37:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:37:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-18 19:37:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-18 19:37:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:37:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-18 19:37:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-18 19:37:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:37:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:37:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:37:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:37:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:37:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-18 19:37:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-18 19:37:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:37:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-11-18 19:37:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-11-18 19:37:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:37:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:37:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:37:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:37:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:37:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-18 19:37:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-18 19:37:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-18 19:37:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-18 19:37:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:37:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:37:56,998 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:37:57,001 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:37:58,428 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:37:58,442 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:37:58,442 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 19:37:58,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:37:58 BoogieIcfgContainer [2022-11-18 19:37:58,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:37:58,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:37:58,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:37:58,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:37:58,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:37:53" (1/3) ... [2022-11-18 19:37:58,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3689b1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:37:58, skipping insertion in model container [2022-11-18 19:37:58,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:37:56" (2/3) ... [2022-11-18 19:37:58,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3689b1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:37:58, skipping insertion in model container [2022-11-18 19:37:58,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:37:58" (3/3) ... [2022-11-18 19:37:58,458 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness.i [2022-11-18 19:37:58,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:37:58,477 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:37:58,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:37:58,574 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5bbe44b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:37:58,575 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:37:58,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 68 states have internal predecessors, (79), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-18 19:37:58,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-18 19:37:58,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:37:58,593 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-18 19:37:58,595 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:37:58,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:37:58,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1122645662, now seen corresponding path program 1 times [2022-11-18 19:37:58,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:37:58,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157260995] [2022-11-18 19:37:58,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:37:58,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:37:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:37:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:37:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:37:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:37:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:37:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:37:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:37:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:37:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:37:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 19:37:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 19:37:59,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:37:59,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157260995] [2022-11-18 19:37:59,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157260995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:37:59,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:37:59,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:37:59,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757158301] [2022-11-18 19:37:59,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:37:59,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:37:59,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:37:59,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:37:59,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:37:59,726 INFO L87 Difference]: Start difference. First operand has 104 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 68 states have internal predecessors, (79), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 19:38:00,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:38:00,051 INFO L93 Difference]: Finished difference Result 201 states and 264 transitions. [2022-11-18 19:38:00,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:38:00,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2022-11-18 19:38:00,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:38:00,063 INFO L225 Difference]: With dead ends: 201 [2022-11-18 19:38:00,063 INFO L226 Difference]: Without dead ends: 98 [2022-11-18 19:38:00,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:38:00,069 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 94 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:38:00,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 101 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:38:00,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-18 19:38:00,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-11-18 19:38:00,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 63 states have internal predecessors, (71), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-18 19:38:00,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 120 transitions. [2022-11-18 19:38:00,119 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 120 transitions. Word has length 85 [2022-11-18 19:38:00,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:38:00,120 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 120 transitions. [2022-11-18 19:38:00,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 19:38:00,121 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2022-11-18 19:38:00,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-18 19:38:00,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:38:00,124 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-18 19:38:00,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:38:00,125 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:38:00,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:00,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1334345696, now seen corresponding path program 1 times [2022-11-18 19:38:00,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:00,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719086536] [2022-11-18 19:38:00,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:00,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:38:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:00,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:38:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:38:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:00,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:01,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:38:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:01,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:38:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:38:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:01,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:38:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:01,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:01,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:38:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:38:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:01,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 19:38:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:01,192 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 19:38:01,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:38:01,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719086536] [2022-11-18 19:38:01,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719086536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:38:01,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:38:01,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:38:01,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392799314] [2022-11-18 19:38:01,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:38:01,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:38:01,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:38:01,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:38:01,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:38:01,197 INFO L87 Difference]: Start difference. First operand 98 states and 120 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 19:38:01,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:38:01,714 INFO L93 Difference]: Finished difference Result 155 states and 190 transitions. [2022-11-18 19:38:01,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:38:01,715 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2022-11-18 19:38:01,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:38:01,721 INFO L225 Difference]: With dead ends: 155 [2022-11-18 19:38:01,722 INFO L226 Difference]: Without dead ends: 101 [2022-11-18 19:38:01,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:38:01,729 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 113 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:38:01,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 230 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:38:01,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-18 19:38:01,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-18 19:38:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 64 states have (on average 1.140625) internal successors, (73), 66 states have internal predecessors, (73), 25 states have call successors, (25), 10 states have call predecessors, (25), 11 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2022-11-18 19:38:01,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 123 transitions. [2022-11-18 19:38:01,752 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 123 transitions. Word has length 85 [2022-11-18 19:38:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:38:01,754 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 123 transitions. [2022-11-18 19:38:01,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 19:38:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 123 transitions. [2022-11-18 19:38:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-18 19:38:01,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:38:01,766 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-18 19:38:01,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:38:01,767 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:38:01,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:01,771 INFO L85 PathProgramCache]: Analyzing trace with hash 50703397, now seen corresponding path program 1 times [2022-11-18 19:38:01,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:01,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616682477] [2022-11-18 19:38:01,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:01,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:38:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:02,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:02,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:38:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:02,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:38:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:02,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:02,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:38:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:38:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:38:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:38:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:38:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:38:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:03,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 19:38:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 19:38:03,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:38:03,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616682477] [2022-11-18 19:38:03,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616682477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:38:03,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:38:03,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 19:38:03,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112233396] [2022-11-18 19:38:03,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:38:03,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:38:03,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:38:03,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:38:03,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:38:03,147 INFO L87 Difference]: Start difference. First operand 101 states and 123 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 19:38:03,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:38:03,820 INFO L93 Difference]: Finished difference Result 113 states and 136 transitions. [2022-11-18 19:38:03,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:38:03,821 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 87 [2022-11-18 19:38:03,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:38:03,823 INFO L225 Difference]: With dead ends: 113 [2022-11-18 19:38:03,823 INFO L226 Difference]: Without dead ends: 111 [2022-11-18 19:38:03,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-11-18 19:38:03,824 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 119 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:38:03,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 382 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:38:03,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-11-18 19:38:03,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2022-11-18 19:38:03,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 70 states have (on average 1.1285714285714286) internal successors, (79), 73 states have internal predecessors, (79), 26 states have call successors, (26), 11 states have call predecessors, (26), 13 states have return successors, (28), 25 states have call predecessors, (28), 25 states have call successors, (28) [2022-11-18 19:38:03,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 133 transitions. [2022-11-18 19:38:03,838 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 133 transitions. Word has length 87 [2022-11-18 19:38:03,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:38:03,838 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 133 transitions. [2022-11-18 19:38:03,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 19:38:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2022-11-18 19:38:03,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-18 19:38:03,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:38:03,840 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-18 19:38:03,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:38:03,841 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:38:03,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:03,842 INFO L85 PathProgramCache]: Analyzing trace with hash 976473645, now seen corresponding path program 1 times [2022-11-18 19:38:03,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:03,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421786722] [2022-11-18 19:38:03,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:03,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:05,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:38:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:38:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:38:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:38:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:38:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:38:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:38:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:38:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:38:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 19:38:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-18 19:38:06,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:38:06,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421786722] [2022-11-18 19:38:06,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421786722] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:38:06,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768824065] [2022-11-18 19:38:06,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:06,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:38:06,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:38:06,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:38:06,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:38:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:07,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 2654 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-18 19:38:07,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:38:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:38:07,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-18 19:38:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 19:38:08,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:38:08,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768824065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:38:08,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:38:08,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2022-11-18 19:38:08,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018195073] [2022-11-18 19:38:08,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:38:08,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-18 19:38:08,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:38:08,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-18 19:38:08,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=801, Unknown=0, NotChecked=0, Total=870 [2022-11-18 19:38:08,190 INFO L87 Difference]: Start difference. First operand 110 states and 133 transitions. Second operand has 19 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 15 states have internal predecessors, (46), 7 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (13), 9 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-18 19:38:08,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:38:08,524 INFO L93 Difference]: Finished difference Result 196 states and 234 transitions. [2022-11-18 19:38:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 19:38:08,525 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 15 states have internal predecessors, (46), 7 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (13), 9 states have call predecessors, (13), 6 states have call successors, (13) Word has length 91 [2022-11-18 19:38:08,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:38:08,532 INFO L225 Difference]: With dead ends: 196 [2022-11-18 19:38:08,532 INFO L226 Difference]: Without dead ends: 127 [2022-11-18 19:38:08,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=102, Invalid=1158, Unknown=0, NotChecked=0, Total=1260 [2022-11-18 19:38:08,536 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 32 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 84 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:38:08,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1545 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 145 Invalid, 0 Unknown, 84 Unchecked, 0.1s Time] [2022-11-18 19:38:08,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-11-18 19:38:08,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2022-11-18 19:38:08,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 83 states have (on average 1.144578313253012) internal successors, (95), 86 states have internal predecessors, (95), 26 states have call successors, (26), 12 states have call predecessors, (26), 14 states have return successors, (28), 25 states have call predecessors, (28), 25 states have call successors, (28) [2022-11-18 19:38:08,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2022-11-18 19:38:08,563 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 91 [2022-11-18 19:38:08,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:38:08,564 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2022-11-18 19:38:08,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 15 states have internal predecessors, (46), 7 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (13), 9 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-18 19:38:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2022-11-18 19:38:08,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-18 19:38:08,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:38:08,571 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-18 19:38:08,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:38:08,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-18 19:38:08,783 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:38:08,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:08,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1234639083, now seen corresponding path program 1 times [2022-11-18 19:38:08,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:08,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412044091] [2022-11-18 19:38:08,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:08,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:38:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:38:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:38:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:38:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:38:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:38:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:38:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:38:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:38:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 19:38:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 19:38:09,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:38:09,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412044091] [2022-11-18 19:38:09,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412044091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:38:09,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:38:09,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:38:09,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125882843] [2022-11-18 19:38:09,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:38:09,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:38:09,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:38:09,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:38:09,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:38:09,945 INFO L87 Difference]: Start difference. First operand 124 states and 149 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 19:38:10,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:38:10,412 INFO L93 Difference]: Finished difference Result 183 states and 222 transitions. [2022-11-18 19:38:10,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:38:10,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 91 [2022-11-18 19:38:10,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:38:10,414 INFO L225 Difference]: With dead ends: 183 [2022-11-18 19:38:10,414 INFO L226 Difference]: Without dead ends: 118 [2022-11-18 19:38:10,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:38:10,415 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 59 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:38:10,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 191 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:38:10,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-18 19:38:10,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2022-11-18 19:38:10,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 77 states have (on average 1.1168831168831168) internal successors, (86), 79 states have internal predecessors, (86), 26 states have call successors, (26), 12 states have call predecessors, (26), 13 states have return successors, (27), 25 states have call predecessors, (27), 25 states have call successors, (27) [2022-11-18 19:38:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 139 transitions. [2022-11-18 19:38:10,429 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 139 transitions. Word has length 91 [2022-11-18 19:38:10,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:38:10,430 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 139 transitions. [2022-11-18 19:38:10,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 19:38:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 139 transitions. [2022-11-18 19:38:10,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-18 19:38:10,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:38:10,432 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-18 19:38:10,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:38:10,432 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:38:10,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:10,433 INFO L85 PathProgramCache]: Analyzing trace with hash -2058076652, now seen corresponding path program 1 times [2022-11-18 19:38:10,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:10,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569701962] [2022-11-18 19:38:10,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:10,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:38:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:38:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:38:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:38:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:38:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:38:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:38:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:38:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:38:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 19:38:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,445 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 19:38:12,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:38:12,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569701962] [2022-11-18 19:38:12,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569701962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:38:12,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:38:12,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-18 19:38:12,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812360268] [2022-11-18 19:38:12,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:38:12,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 19:38:12,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:38:12,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 19:38:12,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-11-18 19:38:12,447 INFO L87 Difference]: Start difference. First operand 117 states and 139 transitions. Second operand has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 19:38:13,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:38:13,654 INFO L93 Difference]: Finished difference Result 131 states and 152 transitions. [2022-11-18 19:38:13,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 19:38:13,654 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 93 [2022-11-18 19:38:13,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:38:13,656 INFO L225 Difference]: With dead ends: 131 [2022-11-18 19:38:13,656 INFO L226 Difference]: Without dead ends: 129 [2022-11-18 19:38:13,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=564, Unknown=0, NotChecked=0, Total=702 [2022-11-18 19:38:13,657 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 100 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:38:13,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 574 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 19:38:13,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-18 19:38:13,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 117. [2022-11-18 19:38:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 78 states have (on average 1.1153846153846154) internal successors, (87), 80 states have internal predecessors, (87), 25 states have call successors, (25), 12 states have call predecessors, (25), 13 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2022-11-18 19:38:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 138 transitions. [2022-11-18 19:38:13,668 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 138 transitions. Word has length 93 [2022-11-18 19:38:13,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:38:13,669 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 138 transitions. [2022-11-18 19:38:13,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 11 states have internal predecessors, (48), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 19:38:13,669 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2022-11-18 19:38:13,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-18 19:38:13,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:38:13,671 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 19:38:13,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:38:13,671 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:38:13,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:13,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1315799824, now seen corresponding path program 1 times [2022-11-18 19:38:13,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:13,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757054062] [2022-11-18 19:38:13,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:13,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:15,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:38:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:15,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:38:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:15,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:38:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:15,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:16,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 19:38:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:16,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:38:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:16,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:38:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:16,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:38:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:38:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:16,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:38:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:16,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 19:38:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:16,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 19:38:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:16,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:38:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-18 19:38:16,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:38:16,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757054062] [2022-11-18 19:38:16,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757054062] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:38:16,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389267083] [2022-11-18 19:38:16,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:16,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:38:16,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:38:16,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:38:16,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:38:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:16,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 2699 conjuncts, 146 conjunts are in the unsatisfiable core [2022-11-18 19:38:16,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:38:16,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-18 19:38:17,004 INFO L350 Elim1Store]: Elim1 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 6 treesize of output 5 [2022-11-18 19:38:17,119 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-18 19:38:17,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 19:38:19,739 INFO L321 Elim1Store]: treesize reduction 18, result has 33.3 percent of original size [2022-11-18 19:38:19,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 76 [2022-11-18 19:38:19,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-18 19:38:19,786 INFO L321 Elim1Store]: treesize reduction 23, result has 20.7 percent of original size [2022-11-18 19:38:19,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 55 [2022-11-18 19:38:19,837 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 19:38:19,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-18 19:38:23,700 INFO L321 Elim1Store]: treesize reduction 120, result has 17.2 percent of original size [2022-11-18 19:38:23,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 16 case distinctions, treesize of input 139 treesize of output 104 [2022-11-18 19:38:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 35 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 19:38:23,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:38:42,884 WARN L233 SmtUtils]: Spent 12.10s on a formula simplification. DAG size of input: 41 DAG size of output: 39 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 19:38:49,256 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 19:38:55,494 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 19:38:59,881 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 19:38:59,881 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 90 [2022-11-18 19:39:00,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389267083] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:39:00,343 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:39:00,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 39] total 50 [2022-11-18 19:39:00,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66998517] [2022-11-18 19:39:00,343 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 19:39:00,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-11-18 19:39:00,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:39:00,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-18 19:39:00,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=4059, Unknown=0, NotChecked=0, Total=4290 [2022-11-18 19:39:00,347 INFO L87 Difference]: Start difference. First operand 117 states and 138 transitions. Second operand has 50 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 37 states have internal predecessors, (109), 15 states have call successors, (32), 9 states have call predecessors, (32), 14 states have return successors, (30), 17 states have call predecessors, (30), 14 states have call successors, (30) [2022-11-18 19:39:01,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:39:01,766 INFO L93 Difference]: Finished difference Result 124 states and 143 transitions. [2022-11-18 19:39:01,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 19:39:01,767 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 37 states have internal predecessors, (109), 15 states have call successors, (32), 9 states have call predecessors, (32), 14 states have return successors, (30), 17 states have call predecessors, (30), 14 states have call successors, (30) Word has length 103 [2022-11-18 19:39:01,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:39:01,767 INFO L225 Difference]: With dead ends: 124 [2022-11-18 19:39:01,767 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 19:39:01,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 100 SyntacticMatches, 9 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1759 ImplicationChecksByTransitivity, 41.0s TimeCoverageRelationStatistics Valid=333, Invalid=5987, Unknown=0, NotChecked=0, Total=6320 [2022-11-18 19:39:01,771 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 43 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 260 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:39:01,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 385 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 361 Invalid, 0 Unknown, 260 Unchecked, 0.5s Time] [2022-11-18 19:39:01,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 19:39:01,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 19:39:01,772 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) [2022-11-18 19:39:01,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 19:39:01,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2022-11-18 19:39:01,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:39:01,772 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:39:01,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 37 states have internal predecessors, (109), 15 states have call successors, (32), 9 states have call predecessors, (32), 14 states have return successors, (30), 17 states have call predecessors, (30), 14 states have call successors, (30) [2022-11-18 19:39:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:39:01,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 19:39:01,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:39:01,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:39:01,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-18 19:39:01,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 19:39:02,161 INFO L895 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: (and (= (select |#valid| |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base|) 1) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base| 0)) (= (select |#valid| |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base|) 1) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.offset| 0)) [2022-11-18 19:39:02,162 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6800 6804) no Hoare annotation was computed. [2022-11-18 19:39:02,162 INFO L895 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: (and (= (select |#valid| |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base|) 1) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2022-11-18 19:39:02,162 INFO L899 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2022-11-18 19:39:02,162 INFO L895 garLoopResultBuilder]: At program point L6807(line 6807) the Hoare annotation is: (let ((.cse0 (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)))) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or .cse0 (<= 0 (+ (div |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) (div (+ (* (- 1) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 15) 18446744073709551616)))) (or (<= 0 (+ (div |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) (div (+ 15 (* (- 1) |ensure_string_is_allocated_bounded_length_~len~1#1|)) 18446744073709551616))) .cse0) (= |old(#valid)| |#valid|))) [2022-11-18 19:39:02,162 INFO L899 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2022-11-18 19:39:02,162 INFO L895 garLoopResultBuilder]: At program point L6810-2(line 6810) the Hoare annotation is: (and (= (select |#valid| |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base|) 1) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2022-11-18 19:39:02,163 INFO L899 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2022-11-18 19:39:02,163 INFO L895 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-11-18 19:39:02,163 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6800 6804) the Hoare annotation is: (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)|) (= |old(#valid)| |#valid|)) [2022-11-18 19:39:02,163 INFO L899 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2022-11-18 19:39:02,163 INFO L899 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2022-11-18 19:39:02,163 INFO L895 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-11-18 19:39:02,164 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2022-11-18 19:39:02,164 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6800 6804) no Hoare annotation was computed. [2022-11-18 19:39:02,164 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-18 19:39:02,164 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2022-11-18 19:39:02,164 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-11-18 19:39:02,164 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-11-18 19:39:02,164 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-18 19:39:02,165 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-18 19:39:02,165 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-18 19:39:02,165 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-18 19:39:02,165 INFO L902 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6242 6246) the Hoare annotation is: true [2022-11-18 19:39:02,165 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6242 6246) no Hoare annotation was computed. [2022-11-18 19:39:02,165 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6242 6246) no Hoare annotation was computed. [2022-11-18 19:39:02,166 INFO L902 garLoopResultBuilder]: At program point L6244-1(line 6244) the Hoare annotation is: true [2022-11-18 19:39:02,166 INFO L899 garLoopResultBuilder]: For program point L6244-2(line 6244) no Hoare annotation was computed. [2022-11-18 19:39:02,166 INFO L902 garLoopResultBuilder]: At program point L6244(line 6244) the Hoare annotation is: true [2022-11-18 19:39:02,166 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-18 19:39:02,166 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-18 19:39:02,166 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-18 19:39:02,166 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-18 19:39:02,166 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2022-11-18 19:39:02,166 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2022-11-18 19:39:02,166 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2022-11-18 19:39:02,166 INFO L902 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6252 6257) the Hoare annotation is: true [2022-11-18 19:39:02,167 INFO L899 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2022-11-18 19:39:02,167 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2022-11-18 19:39:02,167 INFO L899 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2022-11-18 19:39:02,167 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6252 6257) no Hoare annotation was computed. [2022-11-18 19:39:02,167 INFO L899 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2022-11-18 19:39:02,167 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2022-11-18 19:39:02,167 INFO L902 garLoopResultBuilder]: At program point aws_byte_cursor_is_validENTRY(lines 7368 7372) the Hoare annotation is: true [2022-11-18 19:39:02,167 INFO L899 garLoopResultBuilder]: For program point L7371(line 7371) no Hoare annotation was computed. [2022-11-18 19:39:02,167 INFO L899 garLoopResultBuilder]: For program point L7371-5(line 7371) no Hoare annotation was computed. [2022-11-18 19:39:02,167 INFO L899 garLoopResultBuilder]: For program point L7371-4(line 7371) no Hoare annotation was computed. [2022-11-18 19:39:02,168 INFO L899 garLoopResultBuilder]: For program point L7371-2(line 7371) no Hoare annotation was computed. [2022-11-18 19:39:02,168 INFO L899 garLoopResultBuilder]: For program point L7371-8(line 7371) no Hoare annotation was computed. [2022-11-18 19:39:02,168 INFO L899 garLoopResultBuilder]: For program point L7371-6(line 7371) no Hoare annotation was computed. [2022-11-18 19:39:02,168 INFO L899 garLoopResultBuilder]: For program point aws_byte_cursor_is_validEXIT(lines 7368 7372) no Hoare annotation was computed. [2022-11-18 19:39:02,168 INFO L899 garLoopResultBuilder]: For program point L7371-11(line 7371) no Hoare annotation was computed. [2022-11-18 19:39:02,168 INFO L899 garLoopResultBuilder]: For program point L7371-10(line 7371) no Hoare annotation was computed. [2022-11-18 19:39:02,168 INFO L899 garLoopResultBuilder]: For program point L7370(lines 7370 7371) no Hoare annotation was computed. [2022-11-18 19:39:02,168 INFO L899 garLoopResultBuilder]: For program point L7370-2(lines 7370 7371) no Hoare annotation was computed. [2022-11-18 19:39:02,169 INFO L899 garLoopResultBuilder]: For program point aws_byte_cursor_is_validFINAL(lines 7368 7372) no Hoare annotation was computed. [2022-11-18 19:39:02,169 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-11-18 19:39:02,169 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-11-18 19:39:02,169 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-11-18 19:39:02,169 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:39:02,169 INFO L899 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2022-11-18 19:39:02,169 INFO L899 garLoopResultBuilder]: For program point L9538-1(line 9538) no Hoare annotation was computed. [2022-11-18 19:39:02,170 INFO L899 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2022-11-18 19:39:02,170 INFO L895 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: false [2022-11-18 19:39:02,170 INFO L899 garLoopResultBuilder]: For program point L9518-1(line 9518) no Hoare annotation was computed. [2022-11-18 19:39:02,170 INFO L899 garLoopResultBuilder]: For program point L8240-2(line 8240) no Hoare annotation was computed. [2022-11-18 19:39:02,170 INFO L895 garLoopResultBuilder]: At program point L8240-1(line 8240) the Hoare annotation is: false [2022-11-18 19:39:02,170 INFO L895 garLoopResultBuilder]: At program point L9518-2(lines 9516 9519) the Hoare annotation is: false [2022-11-18 19:39:02,171 INFO L895 garLoopResultBuilder]: At program point L8240(line 8240) the Hoare annotation is: false [2022-11-18 19:39:02,171 INFO L899 garLoopResultBuilder]: For program point L8236-1(line 8236) no Hoare annotation was computed. [2022-11-18 19:39:02,171 INFO L895 garLoopResultBuilder]: At program point L8236(line 8236) the Hoare annotation is: false [2022-11-18 19:39:02,171 INFO L895 garLoopResultBuilder]: At program point L9518(line 9518) the Hoare annotation is: false [2022-11-18 19:39:02,171 INFO L895 garLoopResultBuilder]: At program point L9541(line 9541) the Hoare annotation is: false [2022-11-18 19:39:02,171 INFO L895 garLoopResultBuilder]: At program point L9541-1(line 9541) the Hoare annotation is: false [2022-11-18 19:39:02,171 INFO L899 garLoopResultBuilder]: For program point L9541-2(line 9541) no Hoare annotation was computed. [2022-11-18 19:39:02,172 INFO L899 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2022-11-18 19:39:02,172 INFO L895 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: false [2022-11-18 19:39:02,172 INFO L895 garLoopResultBuilder]: At program point L9543(line 9543) the Hoare annotation is: false [2022-11-18 19:39:02,172 INFO L899 garLoopResultBuilder]: For program point L9543-1(line 9543) no Hoare annotation was computed. [2022-11-18 19:39:02,172 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:39:02,172 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 19:39:02,172 INFO L899 garLoopResultBuilder]: For program point L9537(lines 9537 9545) no Hoare annotation was computed. [2022-11-18 19:39:02,173 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:39:02,173 INFO L899 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2022-11-18 19:39:02,173 INFO L895 garLoopResultBuilder]: At program point L9517(line 9517) the Hoare annotation is: false [2022-11-18 19:39:02,173 INFO L895 garLoopResultBuilder]: At program point L9517-1(line 9517) the Hoare annotation is: false [2022-11-18 19:39:02,173 INFO L899 garLoopResultBuilder]: For program point L9517-2(line 9517) no Hoare annotation was computed. [2022-11-18 19:39:02,173 INFO L895 garLoopResultBuilder]: At program point L8241(lines 8235 8242) the Hoare annotation is: false [2022-11-18 19:39:02,173 INFO L902 garLoopResultBuilder]: At program point L9546(line 9546) the Hoare annotation is: true [2022-11-18 19:39:02,174 INFO L899 garLoopResultBuilder]: For program point L9542-1(line 9542) no Hoare annotation was computed. [2022-11-18 19:39:02,174 INFO L895 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: false [2022-11-18 19:39:02,174 INFO L895 garLoopResultBuilder]: At program point L9540(line 9540) the Hoare annotation is: false [2022-11-18 19:39:02,174 INFO L895 garLoopResultBuilder]: At program point L9540-1(line 9540) the Hoare annotation is: false [2022-11-18 19:39:02,174 INFO L902 garLoopResultBuilder]: At program point L9538(line 9538) the Hoare annotation is: true [2022-11-18 19:39:02,174 INFO L899 garLoopResultBuilder]: For program point L9540-2(line 9540) no Hoare annotation was computed. [2022-11-18 19:39:02,174 INFO L895 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: false [2022-11-18 19:39:02,175 INFO L895 garLoopResultBuilder]: At program point L9542(line 9542) the Hoare annotation is: false [2022-11-18 19:39:02,175 INFO L899 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2022-11-18 19:39:02,175 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-18 19:39:02,175 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-18 19:39:02,175 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-18 19:39:02,175 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-18 19:39:02,175 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-18 19:39:02,176 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-18 19:39:02,179 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:39:02,181 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:39:02,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:39:02 BoogieIcfgContainer [2022-11-18 19:39:02,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:39:02,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:39:02,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:39:02,195 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:39:02,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:37:58" (3/4) ... [2022-11-18 19:39:02,198 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:39:02,204 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2022-11-18 19:39:02,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-18 19:39:02,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_cursor_is_valid [2022-11-18 19:39:02,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-18 19:39:02,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-18 19:39:02,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2022-11-18 19:39:02,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-18 19:39:02,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-18 19:39:02,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-18 19:39:02,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-11-18 19:39:02,230 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 127 nodes and edges [2022-11-18 19:39:02,231 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2022-11-18 19:39:02,232 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-18 19:39:02,233 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-18 19:39:02,234 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-18 19:39:02,234 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 19:39:02,235 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 19:39:02,235 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:39:02,299 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\valid[str] == 1 && !(str == 0)) && str == 0) && !(\result == 0)) && \valid[\result] == 1) && !(\old(max_size) == 16)) && \result == 0 [2022-11-18 19:39:02,728 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:39:02,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:39:02,729 INFO L158 Benchmark]: Toolchain (without parser) took 69404.85ms. Allocated memory was 115.3MB in the beginning and 572.5MB in the end (delta: 457.2MB). Free memory was 87.8MB in the beginning and 380.8MB in the end (delta: -293.0MB). Peak memory consumption was 401.6MB. Max. memory is 16.1GB. [2022-11-18 19:39:02,730 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:39:02,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2876.44ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 87.8MB in the beginning and 83.0MB in the end (delta: 4.8MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. [2022-11-18 19:39:02,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.04ms. Allocated memory is still 153.1MB. Free memory was 83.0MB in the beginning and 70.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 19:39:02,731 INFO L158 Benchmark]: Boogie Preprocessor took 64.58ms. Allocated memory is still 153.1MB. Free memory was 70.4MB in the beginning and 64.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 19:39:02,731 INFO L158 Benchmark]: RCFGBuilder took 1993.40ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 63.3MB in the beginning and 97.9MB in the end (delta: -34.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2022-11-18 19:39:02,732 INFO L158 Benchmark]: TraceAbstraction took 63744.33ms. Allocated memory was 224.4MB in the beginning and 572.5MB in the end (delta: 348.1MB). Free memory was 97.9MB in the beginning and 174.3MB in the end (delta: -76.4MB). Peak memory consumption was 271.7MB. Max. memory is 16.1GB. [2022-11-18 19:39:02,732 INFO L158 Benchmark]: Witness Printer took 534.37ms. Allocated memory is still 572.5MB. Free memory was 174.3MB in the beginning and 380.8MB in the end (delta: -206.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-18 19:39:02,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2876.44ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 87.8MB in the beginning and 83.0MB in the end (delta: 4.8MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.04ms. Allocated memory is still 153.1MB. Free memory was 83.0MB in the beginning and 70.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.58ms. Allocated memory is still 153.1MB. Free memory was 70.4MB in the beginning and 64.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1993.40ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 63.3MB in the beginning and 97.9MB in the end (delta: -34.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * TraceAbstraction took 63744.33ms. Allocated memory was 224.4MB in the beginning and 572.5MB in the end (delta: 348.1MB). Free memory was 97.9MB in the beginning and 174.3MB in the end (delta: -76.4MB). Peak memory consumption was 271.7MB. Max. memory is 16.1GB. * Witness Printer took 534.37ms. Allocated memory is still 572.5MB. Free memory was 174.3MB in the beginning and 380.8MB in the end (delta: -206.5MB). Peak memory consumption was 31.5MB. 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 11 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 63.6s, OverallIterations: 7, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 591 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 560 mSDsluCounter, 3408 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 344 IncrementalHoareTripleChecker+Unchecked, 2933 mSDsCounter, 229 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2473 IncrementalHoareTripleChecker+Invalid, 3046 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 229 mSolverCounterUnsat, 475 mSDtfsCounter, 2473 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 510 GetRequests, 336 SyntacticMatches, 9 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1969 ImplicationChecksByTransitivity, 42.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=4, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 112 PreInvPairs, 117 NumberOfFragments, 250 HoareAnnotationTreeSize, 112 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 13 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 55.1s InterpolantComputationTime, 829 NumberOfCodeBlocks, 829 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 820 ConstructedInterpolants, 69 QuantifiedInterpolants, 5212 SizeOfPredicates, 58 NumberOfNonLiveVariables, 5353 ConjunctsInSsa, 194 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 400/455 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: 9516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: (((((\valid[str] == 1 && !(str == 0)) && str == 0) && !(\result == 0)) && \valid[\result] == 1) && !(\old(max_size) == 16)) && \result == 0 - InvariantResult [Line: 9546]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 19:39:02,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d539b812-4545-4445-b18d-0b2e8fac1eba/bin/uautomizer-TMbwUNV5ro/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