./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/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_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/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_f6bb04e6-dd6b-4173-aba0-2a669135da14/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 a871e941a14cf19147765419aa3746af2f9add859ed1f61f31f704f97208fdb0 --- 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 20:25:51,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:25:51,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:25:51,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:25:51,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:25:51,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:25:51,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:25:51,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:25:51,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:25:51,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:25:51,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:25:51,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:25:51,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:25:51,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:25:51,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:25:51,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:25:51,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:25:51,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:25:51,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:25:51,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:25:51,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:25:51,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:25:51,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:25:51,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:25:51,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:25:51,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:25:51,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:25:51,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:25:51,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:25:51,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:25:51,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:25:51,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:25:51,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:25:51,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:25:51,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:25:51,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:25:51,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:25:51,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:25:51,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:25:51,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:25:51,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:25:51,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:25:51,526 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:25:51,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:25:51,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:25:51,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:25:51,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:25:51,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:25:51,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:25:51,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:25:51,530 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:25:51,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:25:51,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:25:51,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:25:51,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:25:51,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:25:51,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:25:51,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:25:51,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:25:51,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:25:51,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:25:51,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:25:51,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:25:51,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:25:51,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:25:51,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:25:51,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:25:51,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:25:51,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:25:51,535 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:25:51,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:25:51,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:25:51,538 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_f6bb04e6-dd6b-4173-aba0-2a669135da14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a871e941a14cf19147765419aa3746af2f9add859ed1f61f31f704f97208fdb0 [2022-11-18 20:25:51,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:25:51,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:25:51,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:25:51,874 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:25:51,876 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:25:51,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2022-11-18 20:25:51,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/data/e1d149135/a186c1fbd79948bcadecbcf159a9caf7/FLAGad0938a0f [2022-11-18 20:25:52,870 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:25:52,875 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2022-11-18 20:25:52,946 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/data/e1d149135/a186c1fbd79948bcadecbcf159a9caf7/FLAGad0938a0f [2022-11-18 20:25:53,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/data/e1d149135/a186c1fbd79948bcadecbcf159a9caf7 [2022-11-18 20:25:53,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:25:53,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:25:53,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:25:53,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:25:53,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:25:53,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:25:53" (1/1) ... [2022-11-18 20:25:53,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6032838f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:53, skipping insertion in model container [2022-11-18 20:25:53,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:25:53" (1/1) ... [2022-11-18 20:25:53,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:25:53,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:25:53,826 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_f6bb04e6-dd6b-4173-aba0-2a669135da14/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4495,4508] [2022-11-18 20:25:53,837 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_f6bb04e6-dd6b-4173-aba0-2a669135da14/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4555,4568] [2022-11-18 20:25:55,234 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,241 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,242 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,243 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,246 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,261 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,268 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,278 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,281 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,284 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,286 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,288 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,289 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:55,906 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-18 20:25:55,908 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-18 20:25:55,909 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-18 20:25:55,911 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-18 20:25:55,913 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-18 20:25:55,914 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-18 20:25:55,915 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-18 20:25:55,915 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-18 20:25:55,917 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-18 20:25:55,917 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-18 20:25:56,178 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-18 20:25:56,630 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,632 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,677 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,685 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,696 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,698 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,735 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,743 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,744 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,744 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,745 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,746 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,752 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:56,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:25:56,878 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:25:56,912 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_f6bb04e6-dd6b-4173-aba0-2a669135da14/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4495,4508] [2022-11-18 20:25:56,913 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_f6bb04e6-dd6b-4173-aba0-2a669135da14/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i[4555,4568] [2022-11-18 20:25:57,011 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,011 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,012 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,012 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,013 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,026 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,027 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,029 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,029 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,030 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,031 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,032 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,032 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,082 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-18 20:25:57,083 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-18 20:25:57,084 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-18 20:25:57,085 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-18 20:25:57,087 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-18 20:25:57,087 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-18 20:25:57,088 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-18 20:25:57,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-18 20:25:57,093 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-18 20:25:57,093 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-18 20:25:57,134 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-18 20:25:57,295 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,295 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,306 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,307 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,311 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,312 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,331 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,331 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,332 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,332 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,333 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,333 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,334 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:25:57,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:25:57,689 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:25:57,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57 WrapperNode [2022-11-18 20:25:57,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:25:57,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:25:57,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:25:57,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:25:57,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,969 INFO L138 Inliner]: procedures = 775, calls = 2488, calls flagged for inlining = 67, calls inlined = 21, statements flattened = 1285 [2022-11-18 20:25:57,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:25:57,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:25:57,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:25:57,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:25:57,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:58,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:58,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:58,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:58,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:58,132 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:58,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:58,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:25:58,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:25:58,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:25:58,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:25:58,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:58,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:25:58,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:58,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:25:58,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:25:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-18 20:25:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-18 20:25:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-18 20:25:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:25:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-18 20:25:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-18 20:25:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-18 20:25:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-18 20:25:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_create [2022-11-18 20:25:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_create [2022-11-18 20:25:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-11-18 20:25:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-11-18 20:25:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:25:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:25:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:25:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2022-11-18 20:25:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2022-11-18 20:25:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:25:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:25:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-18 20:25:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-18 20:25:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-18 20:25:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-18 20:25:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-18 20:25:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-18 20:25:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:25:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-18 20:25:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-18 20:25:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:25:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-18 20:25:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-18 20:25:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:25:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2022-11-18 20:25:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2022-11-18 20:25:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-11-18 20:25:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-11-18 20:25:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2022-11-18 20:25:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2022-11-18 20:25:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2022-11-18 20:25:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2022-11-18 20:25:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2022-11-18 20:25:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2022-11-18 20:25:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:25:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-18 20:25:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-18 20:25:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-18 20:25:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2022-11-18 20:25:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2022-11-18 20:25:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-18 20:25:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-11-18 20:25:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-11-18 20:25:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2022-11-18 20:25:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2022-11-18 20:25:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2022-11-18 20:25:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2022-11-18 20:25:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2022-11-18 20:25:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2022-11-18 20:25:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:25:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:25:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-11-18 20:25:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-11-18 20:25:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:25:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-18 20:25:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-18 20:25:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-18 20:25:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-18 20:25:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-18 20:25:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-18 20:25:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2022-11-18 20:25:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2022-11-18 20:25:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2022-11-18 20:25:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2022-11-18 20:25:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 20:25:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 20:25:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:25:58,933 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:25:58,935 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:25:59,326 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2022-11-18 20:25:59,378 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2022-11-18 20:26:00,425 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume !true; [2022-11-18 20:26:00,426 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !true; [2022-11-18 20:26:01,137 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:26:01,147 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:26:01,148 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-18 20:26:01,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:01 BoogieIcfgContainer [2022-11-18 20:26:01,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:26:01,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:26:01,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:26:01,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:26:01,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:25:53" (1/3) ... [2022-11-18 20:26:01,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a70c76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:26:01, skipping insertion in model container [2022-11-18 20:26:01,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (2/3) ... [2022-11-18 20:26:01,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a70c76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:26:01, skipping insertion in model container [2022-11-18 20:26:01,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:01" (3/3) ... [2022-11-18 20:26:01,160 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_create_harness.i [2022-11-18 20:26:01,181 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:26:01,181 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:26:01,248 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:26:01,256 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;@7e6459df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:26:01,256 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:26:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand has 347 states, 233 states have (on average 1.2660944206008584) internal successors, (295), 230 states have internal predecessors, (295), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2022-11-18 20:26:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-18 20:26:01,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:01,277 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:01,278 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:01,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:01,284 INFO L85 PathProgramCache]: Analyzing trace with hash 2042396882, now seen corresponding path program 1 times [2022-11-18 20:26:01,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:01,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319384866] [2022-11-18 20:26:01,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:01,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:01,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:01,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319384866] [2022-11-18 20:26:01,920 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-18 20:26:01,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137185648] [2022-11-18 20:26:01,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:01,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:01,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:26:01,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:26:01,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:26:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:02,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 2471 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 20:26:02,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:26:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-18 20:26:02,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:26:02,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137185648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:02,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:02,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:02,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189334596] [2022-11-18 20:26:02,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:02,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:26:02,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:02,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:26:02,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:26:02,972 INFO L87 Difference]: Start difference. First operand has 347 states, 233 states have (on average 1.2660944206008584) internal successors, (295), 230 states have internal predecessors, (295), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 20:26:03,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:03,117 INFO L93 Difference]: Finished difference Result 688 states and 975 transitions. [2022-11-18 20:26:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:26:03,119 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 122 [2022-11-18 20:26:03,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:03,138 INFO L225 Difference]: With dead ends: 688 [2022-11-18 20:26:03,142 INFO L226 Difference]: Without dead ends: 339 [2022-11-18 20:26:03,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:26:03,166 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:03,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:26:03,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-11-18 20:26:03,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2022-11-18 20:26:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 222 states have (on average 1.2477477477477477) internal successors, (277), 224 states have internal predecessors, (277), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-11-18 20:26:03,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 447 transitions. [2022-11-18 20:26:03,272 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 447 transitions. Word has length 122 [2022-11-18 20:26:03,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:03,274 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 447 transitions. [2022-11-18 20:26:03,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 20:26:03,274 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 447 transitions. [2022-11-18 20:26:03,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-18 20:26:03,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:03,278 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:03,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-18 20:26:03,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-18 20:26:03,492 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:03,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:03,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1202487832, now seen corresponding path program 1 times [2022-11-18 20:26:03,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:03,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371521658] [2022-11-18 20:26:03,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:03,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:03,669 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:26:03,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1960214271] [2022-11-18 20:26:03,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:03,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:03,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:26:03,680 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:26:03,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:26:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:04,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 2471 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:26:04,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:26:04,615 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-18 20:26:04,615 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:26:04,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:04,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371521658] [2022-11-18 20:26:04,618 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:26:04,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960214271] [2022-11-18 20:26:04,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960214271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:04,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:04,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:26:04,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464942197] [2022-11-18 20:26:04,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:04,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:26:04,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:04,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:26:04,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:26:04,625 INFO L87 Difference]: Start difference. First operand 339 states and 447 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 20:26:04,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:04,764 INFO L93 Difference]: Finished difference Result 674 states and 893 transitions. [2022-11-18 20:26:04,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:26:04,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 122 [2022-11-18 20:26:04,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:04,771 INFO L225 Difference]: With dead ends: 674 [2022-11-18 20:26:04,771 INFO L226 Difference]: Without dead ends: 344 [2022-11-18 20:26:04,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:26:04,774 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 2 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:04,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1768 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:26:04,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2022-11-18 20:26:04,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2022-11-18 20:26:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 226 states have (on average 1.2433628318584071) internal successors, (281), 228 states have internal predecessors, (281), 86 states have call successors, (86), 30 states have call predecessors, (86), 31 states have return successors, (88), 85 states have call predecessors, (88), 84 states have call successors, (88) [2022-11-18 20:26:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 455 transitions. [2022-11-18 20:26:04,805 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 455 transitions. Word has length 122 [2022-11-18 20:26:04,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:04,805 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 455 transitions. [2022-11-18 20:26:04,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 20:26:04,806 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 455 transitions. [2022-11-18 20:26:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-18 20:26:04,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:04,809 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:04,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:26:05,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:05,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:05,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:05,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1407527950, now seen corresponding path program 1 times [2022-11-18 20:26:05,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:05,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36677282] [2022-11-18 20:26:05,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:05,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:05,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:26:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:05,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:26:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:05,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:26:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:26:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:26:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:26:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:26:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:26:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:26:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:26:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:26:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:26:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:26:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 20:26:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 20:26:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 20:26:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:06,380 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-11-18 20:26:06,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:06,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36677282] [2022-11-18 20:26:06,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36677282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:06,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:06,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:26:06,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855529834] [2022-11-18 20:26:06,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:06,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:26:06,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:06,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:26:06,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:26:06,384 INFO L87 Difference]: Start difference. First operand 344 states and 455 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 20:26:09,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:09,065 INFO L93 Difference]: Finished difference Result 754 states and 1012 transitions. [2022-11-18 20:26:09,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:26:09,065 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 128 [2022-11-18 20:26:09,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:09,071 INFO L225 Difference]: With dead ends: 754 [2022-11-18 20:26:09,071 INFO L226 Difference]: Without dead ends: 424 [2022-11-18 20:26:09,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:26:09,074 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 441 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:09,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 874 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-18 20:26:09,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2022-11-18 20:26:09,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 344. [2022-11-18 20:26:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 226 states have (on average 1.238938053097345) internal successors, (280), 228 states have internal predecessors, (280), 86 states have call successors, (86), 30 states have call predecessors, (86), 31 states have return successors, (88), 85 states have call predecessors, (88), 84 states have call successors, (88) [2022-11-18 20:26:09,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 454 transitions. [2022-11-18 20:26:09,114 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 454 transitions. Word has length 128 [2022-11-18 20:26:09,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:09,115 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 454 transitions. [2022-11-18 20:26:09,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 20:26:09,116 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 454 transitions. [2022-11-18 20:26:09,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-18 20:26:09,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:09,133 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:09,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:26:09,134 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:09,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:09,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1824924556, now seen corresponding path program 1 times [2022-11-18 20:26:09,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:09,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243952113] [2022-11-18 20:26:09,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:09,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:10,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:26:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:10,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:26:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:26:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:26:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:10,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:10,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:10,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:26:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:10,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:26:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:10,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:26:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:11,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:26:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:11,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:26:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:11,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:26:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:11,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:26:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:26:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:11,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:26:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 20:26:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 20:26:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 20:26:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:11,396 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-11-18 20:26:11,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:11,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243952113] [2022-11-18 20:26:11,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243952113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:11,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:11,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 20:26:11,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344596773] [2022-11-18 20:26:11,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:11,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:26:11,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:11,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:26:11,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:26:11,401 INFO L87 Difference]: Start difference. First operand 344 states and 454 transitions. Second operand has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 9 states have internal predecessors, (59), 4 states have call successors, (23), 5 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-18 20:26:18,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:18,165 INFO L93 Difference]: Finished difference Result 750 states and 1004 transitions. [2022-11-18 20:26:18,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:26:18,166 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 9 states have internal predecessors, (59), 4 states have call successors, (23), 5 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 128 [2022-11-18 20:26:18,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:18,170 INFO L225 Difference]: With dead ends: 750 [2022-11-18 20:26:18,171 INFO L226 Difference]: Without dead ends: 427 [2022-11-18 20:26:18,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:26:18,174 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 447 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 2683 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 2894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 2683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:18,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 1865 Invalid, 2894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 2683 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-18 20:26:18,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2022-11-18 20:26:18,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 347. [2022-11-18 20:26:18,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 228 states have (on average 1.236842105263158) internal successors, (282), 231 states have internal predecessors, (282), 86 states have call successors, (86), 30 states have call predecessors, (86), 32 states have return successors, (89), 85 states have call predecessors, (89), 84 states have call successors, (89) [2022-11-18 20:26:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 457 transitions. [2022-11-18 20:26:18,214 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 457 transitions. Word has length 128 [2022-11-18 20:26:18,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:18,215 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 457 transitions. [2022-11-18 20:26:18,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 9 states have internal predecessors, (59), 4 states have call successors, (23), 5 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-18 20:26:18,215 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 457 transitions. [2022-11-18 20:26:18,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-18 20:26:18,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:18,218 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:18,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:26:18,219 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:18,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:18,220 INFO L85 PathProgramCache]: Analyzing trace with hash -510465640, now seen corresponding path program 1 times [2022-11-18 20:26:18,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:18,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56290186] [2022-11-18 20:26:18,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:18,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:26:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:26:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:26:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:26:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:26:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:26:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:26:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:26:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:26:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:26:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 20:26:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:26:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 20:26:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:26:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-18 20:26:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:26:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 20:26:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-18 20:26:19,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:19,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56290186] [2022-11-18 20:26:19,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56290186] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:26:19,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369232237] [2022-11-18 20:26:19,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:19,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:19,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:26:19,891 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:26:19,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:26:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:20,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 2504 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-18 20:26:20,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:26:23,051 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= 0 (select (select |c_#memory_$Pointer$.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset)))) (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0)))) is different from true [2022-11-18 20:26:31,182 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:26:39,308 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:26:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-18 20:26:39,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:26:39,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369232237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:39,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:26:39,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2022-11-18 20:26:39,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479223680] [2022-11-18 20:26:39,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:39,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:26:39,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:39,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:26:39,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=175, Unknown=3, NotChecked=26, Total=240 [2022-11-18 20:26:39,354 INFO L87 Difference]: Start difference. First operand 347 states and 457 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-18 20:26:40,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:40,654 INFO L93 Difference]: Finished difference Result 677 states and 892 transitions. [2022-11-18 20:26:40,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:26:40,659 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 134 [2022-11-18 20:26:40,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:40,663 INFO L225 Difference]: With dead ends: 677 [2022-11-18 20:26:40,663 INFO L226 Difference]: Without dead ends: 349 [2022-11-18 20:26:40,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=51, Invalid=222, Unknown=3, NotChecked=30, Total=306 [2022-11-18 20:26:40,666 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 5 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2384 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 627 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:40,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2384 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 627 Unchecked, 1.1s Time] [2022-11-18 20:26:40,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-11-18 20:26:40,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2022-11-18 20:26:40,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 230 states have (on average 1.2347826086956522) internal successors, (284), 232 states have internal predecessors, (284), 86 states have call successors, (86), 31 states have call predecessors, (86), 32 states have return successors, (89), 85 states have call predecessors, (89), 84 states have call successors, (89) [2022-11-18 20:26:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 459 transitions. [2022-11-18 20:26:40,702 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 459 transitions. Word has length 134 [2022-11-18 20:26:40,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:40,702 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 459 transitions. [2022-11-18 20:26:40,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-18 20:26:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 459 transitions. [2022-11-18 20:26:40,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-18 20:26:40,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:40,706 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:40,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:26:40,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:40,919 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:40,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:40,920 INFO L85 PathProgramCache]: Analyzing trace with hash 928186415, now seen corresponding path program 1 times [2022-11-18 20:26:40,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:40,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893210411] [2022-11-18 20:26:40,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:40,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:26:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:26:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:26:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:26:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:26:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:26:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:26:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:26:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:26:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:26:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:42,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:26:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:42,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:26:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:26:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:42,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:26:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:42,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:26:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:42,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 20:26:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:42,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 20:26:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-18 20:26:42,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:42,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893210411] [2022-11-18 20:26:42,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893210411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:42,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:42,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:26:42,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58502391] [2022-11-18 20:26:42,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:42,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:26:42,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:42,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:26:42,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:26:42,223 INFO L87 Difference]: Start difference. First operand 349 states and 459 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (25), 5 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 20:26:46,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:46,548 INFO L93 Difference]: Finished difference Result 737 states and 989 transitions. [2022-11-18 20:26:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:26:46,549 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (25), 5 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2022-11-18 20:26:46,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:46,554 INFO L225 Difference]: With dead ends: 737 [2022-11-18 20:26:46,554 INFO L226 Difference]: Without dead ends: 431 [2022-11-18 20:26:46,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:26:46,557 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 287 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 1453 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:46,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 1453 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-18 20:26:46,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-11-18 20:26:46,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 351. [2022-11-18 20:26:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 231 states have (on average 1.2337662337662338) internal successors, (285), 234 states have internal predecessors, (285), 86 states have call successors, (86), 31 states have call predecessors, (86), 33 states have return successors, (94), 85 states have call predecessors, (94), 84 states have call successors, (94) [2022-11-18 20:26:46,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 465 transitions. [2022-11-18 20:26:46,614 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 465 transitions. Word has length 139 [2022-11-18 20:26:46,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:46,616 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 465 transitions. [2022-11-18 20:26:46,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (25), 5 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 20:26:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 465 transitions. [2022-11-18 20:26:46,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-18 20:26:46,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:46,619 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:46,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:26:46,620 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:46,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:46,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1333532262, now seen corresponding path program 1 times [2022-11-18 20:26:46,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:46,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418333717] [2022-11-18 20:26:46,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:46,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:26:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:26:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:26:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:26:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:26:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:26:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:26:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:26:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:26:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:26:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:26:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:26:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:26:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:26:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:26:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 20:26:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 20:26:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,741 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-18 20:26:48,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:48,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418333717] [2022-11-18 20:26:48,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418333717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:48,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:48,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:26:48,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554923596] [2022-11-18 20:26:48,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:48,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:26:48,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:48,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:26:48,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:26:48,745 INFO L87 Difference]: Start difference. First operand 351 states and 465 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-18 20:26:52,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:52,006 INFO L93 Difference]: Finished difference Result 439 states and 593 transitions. [2022-11-18 20:26:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:26:52,007 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 144 [2022-11-18 20:26:52,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:52,012 INFO L225 Difference]: With dead ends: 439 [2022-11-18 20:26:52,012 INFO L226 Difference]: Without dead ends: 437 [2022-11-18 20:26:52,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:26:52,014 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 536 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 1623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:52,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1156 Invalid, 1623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-18 20:26:52,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2022-11-18 20:26:52,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 355. [2022-11-18 20:26:52,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 234 states have (on average 1.2307692307692308) internal successors, (288), 237 states have internal predecessors, (288), 86 states have call successors, (86), 32 states have call predecessors, (86), 34 states have return successors, (94), 85 states have call predecessors, (94), 84 states have call successors, (94) [2022-11-18 20:26:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 468 transitions. [2022-11-18 20:26:52,047 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 468 transitions. Word has length 144 [2022-11-18 20:26:52,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:52,047 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 468 transitions. [2022-11-18 20:26:52,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-18 20:26:52,048 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 468 transitions. [2022-11-18 20:26:52,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-18 20:26:52,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:52,051 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:52,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:26:52,052 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:52,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:52,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1152708077, now seen corresponding path program 1 times [2022-11-18 20:26:52,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:52,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991939430] [2022-11-18 20:26:52,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:52,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:26:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:26:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:26:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:26:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:26:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:26:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:26:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:26:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:26:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:26:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:26:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:26:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:26:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:26:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:26:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 20:26:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 20:26:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-18 20:26:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 20:26:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-18 20:26:53,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:53,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991939430] [2022-11-18 20:26:53,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991939430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:53,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:53,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:26:53,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308290460] [2022-11-18 20:26:53,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:53,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:26:53,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:53,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:26:53,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:26:53,657 INFO L87 Difference]: Start difference. First operand 355 states and 468 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-18 20:26:56,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:56,642 INFO L93 Difference]: Finished difference Result 445 states and 599 transitions. [2022-11-18 20:26:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:26:56,643 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2022-11-18 20:26:56,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:56,647 INFO L225 Difference]: With dead ends: 445 [2022-11-18 20:26:56,647 INFO L226 Difference]: Without dead ends: 443 [2022-11-18 20:26:56,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:26:56,649 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 408 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:56,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1171 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1315 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-18 20:26:56,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2022-11-18 20:26:56,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 360. [2022-11-18 20:26:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 237 states have (on average 1.2278481012658229) internal successors, (291), 241 states have internal predecessors, (291), 87 states have call successors, (87), 33 states have call predecessors, (87), 35 states have return successors, (95), 85 states have call predecessors, (95), 85 states have call successors, (95) [2022-11-18 20:26:56,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 473 transitions. [2022-11-18 20:26:56,683 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 473 transitions. Word has length 157 [2022-11-18 20:26:56,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:56,684 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 473 transitions. [2022-11-18 20:26:56,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-18 20:26:56,685 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 473 transitions. [2022-11-18 20:26:56,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-18 20:26:56,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:56,688 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:56,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:26:56,689 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:56,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:56,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1154555119, now seen corresponding path program 1 times [2022-11-18 20:26:56,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:56,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381419235] [2022-11-18 20:26:56,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:56,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:26:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:26:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:26:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:26:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:26:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:26:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:26:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:26:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:26:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:26:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:26:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:26:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:26:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:26:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:26:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 20:26:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 20:26:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-18 20:26:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 20:26:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-18 20:26:58,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:58,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381419235] [2022-11-18 20:26:58,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381419235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:58,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:58,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:26:58,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980783031] [2022-11-18 20:26:58,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:58,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:26:58,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:58,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:26:58,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:26:58,204 INFO L87 Difference]: Start difference. First operand 360 states and 473 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-18 20:27:01,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:01,819 INFO L93 Difference]: Finished difference Result 448 states and 601 transitions. [2022-11-18 20:27:01,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:27:01,820 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2022-11-18 20:27:01,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:01,824 INFO L225 Difference]: With dead ends: 448 [2022-11-18 20:27:01,824 INFO L226 Difference]: Without dead ends: 446 [2022-11-18 20:27:01,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:27:01,825 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 524 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:01,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 1175 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-18 20:27:01,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2022-11-18 20:27:01,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 359. [2022-11-18 20:27:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 237 states have (on average 1.2278481012658229) internal successors, (291), 240 states have internal predecessors, (291), 86 states have call successors, (86), 33 states have call predecessors, (86), 35 states have return successors, (94), 85 states have call predecessors, (94), 84 states have call successors, (94) [2022-11-18 20:27:01,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 471 transitions. [2022-11-18 20:27:01,858 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 471 transitions. Word has length 157 [2022-11-18 20:27:01,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:01,858 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 471 transitions. [2022-11-18 20:27:01,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-18 20:27:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 471 transitions. [2022-11-18 20:27:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-18 20:27:01,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:01,863 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:01,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:27:01,863 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:01,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:01,864 INFO L85 PathProgramCache]: Analyzing trace with hash -204776121, now seen corresponding path program 1 times [2022-11-18 20:27:01,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:01,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859396658] [2022-11-18 20:27:01,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:01,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:03,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:27:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:27:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:03,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:27:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:03,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:27:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:03,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:27:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:27:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:27:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:27:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:27:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:27:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:27:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:27:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:27:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:27:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:27:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 20:27:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:27:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 20:27:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 20:27:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-11-18 20:27:04,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:04,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859396658] [2022-11-18 20:27:04,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859396658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:04,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:04,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-18 20:27:04,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628269247] [2022-11-18 20:27:04,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:04,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 20:27:04,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:04,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 20:27:04,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:27:04,432 INFO L87 Difference]: Start difference. First operand 359 states and 471 transitions. Second operand has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-18 20:27:10,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:10,118 INFO L93 Difference]: Finished difference Result 837 states and 1144 transitions. [2022-11-18 20:27:10,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 20:27:10,119 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) Word has length 176 [2022-11-18 20:27:10,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:10,125 INFO L225 Difference]: With dead ends: 837 [2022-11-18 20:27:10,125 INFO L226 Difference]: Without dead ends: 552 [2022-11-18 20:27:10,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=140, Invalid=672, Unknown=0, NotChecked=0, Total=812 [2022-11-18 20:27:10,128 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 656 mSDsluCounter, 2586 mSDsCounter, 0 mSdLazyCounter, 3586 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 2859 SdHoareTripleChecker+Invalid, 3881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 3586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:10,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 2859 Invalid, 3881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 3586 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-18 20:27:10,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2022-11-18 20:27:10,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 403. [2022-11-18 20:27:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 269 states have (on average 1.245353159851301) internal successors, (335), 273 states have internal predecessors, (335), 94 states have call successors, (94), 36 states have call predecessors, (94), 39 states have return successors, (105), 93 states have call predecessors, (105), 92 states have call successors, (105) [2022-11-18 20:27:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 534 transitions. [2022-11-18 20:27:10,165 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 534 transitions. Word has length 176 [2022-11-18 20:27:10,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:10,166 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 534 transitions. [2022-11-18 20:27:10,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-18 20:27:10,167 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 534 transitions. [2022-11-18 20:27:10,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-18 20:27:10,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:10,170 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:10,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:27:10,171 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:10,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:10,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1792726195, now seen corresponding path program 1 times [2022-11-18 20:27:10,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:10,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290955726] [2022-11-18 20:27:10,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:10,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:27:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:27:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:27:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:27:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:27:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:27:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:27:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:27:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:27:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:27:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:27:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:27:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:27:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:27:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:27:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:10,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 20:27:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:11,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:27:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:11,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:27:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:11,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:27:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:11,255 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-11-18 20:27:11,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:11,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290955726] [2022-11-18 20:27:11,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290955726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:11,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:11,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:27:11,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842608326] [2022-11-18 20:27:11,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:11,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:11,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:11,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:11,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:11,259 INFO L87 Difference]: Start difference. First operand 403 states and 534 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 20:27:18,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:18,036 INFO L93 Difference]: Finished difference Result 750 states and 1007 transitions. [2022-11-18 20:27:18,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:27:18,037 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) Word has length 170 [2022-11-18 20:27:18,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:18,042 INFO L225 Difference]: With dead ends: 750 [2022-11-18 20:27:18,042 INFO L226 Difference]: Without dead ends: 507 [2022-11-18 20:27:18,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2022-11-18 20:27:18,045 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 652 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:18,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 1307 Invalid, 1920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-11-18 20:27:18,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-11-18 20:27:18,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 403. [2022-11-18 20:27:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 269 states have (on average 1.2304832713754648) internal successors, (331), 273 states have internal predecessors, (331), 94 states have call successors, (94), 36 states have call predecessors, (94), 39 states have return successors, (105), 93 states have call predecessors, (105), 92 states have call successors, (105) [2022-11-18 20:27:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 530 transitions. [2022-11-18 20:27:18,084 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 530 transitions. Word has length 170 [2022-11-18 20:27:18,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:18,085 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 530 transitions. [2022-11-18 20:27:18,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 20:27:18,085 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 530 transitions. [2022-11-18 20:27:18,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-18 20:27:18,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:18,088 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:18,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:27:18,089 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:18,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:18,090 INFO L85 PathProgramCache]: Analyzing trace with hash 12712139, now seen corresponding path program 1 times [2022-11-18 20:27:18,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:18,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014193432] [2022-11-18 20:27:18,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:18,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:18,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:27:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:18,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:27:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:18,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:27:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:27:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:18,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:27:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:27:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:18,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:27:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:18,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:27:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:27:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:27:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:27:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:27:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:27:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:27:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:27:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 20:27:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:27:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:27:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:27:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-11-18 20:27:19,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:19,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014193432] [2022-11-18 20:27:19,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014193432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:19,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:19,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:27:19,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471701630] [2022-11-18 20:27:19,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:19,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:19,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:19,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:19,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:19,500 INFO L87 Difference]: Start difference. First operand 403 states and 530 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 20:27:23,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:27,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:27,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:27,936 INFO L93 Difference]: Finished difference Result 643 states and 883 transitions. [2022-11-18 20:27:27,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:27:27,937 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 170 [2022-11-18 20:27:27,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:27,945 INFO L225 Difference]: With dead ends: 643 [2022-11-18 20:27:27,945 INFO L226 Difference]: Without dead ends: 572 [2022-11-18 20:27:27,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:27:27,947 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 508 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 1697 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1592 SdHoareTripleChecker+Invalid, 1958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:27,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 1592 Invalid, 1958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 1697 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-18 20:27:27,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2022-11-18 20:27:27,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 409. [2022-11-18 20:27:27,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 273 states have (on average 1.2271062271062272) internal successors, (335), 278 states have internal predecessors, (335), 94 states have call successors, (94), 36 states have call predecessors, (94), 41 states have return successors, (107), 94 states have call predecessors, (107), 92 states have call successors, (107) [2022-11-18 20:27:27,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 536 transitions. [2022-11-18 20:27:27,991 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 536 transitions. Word has length 170 [2022-11-18 20:27:27,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:27,992 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 536 transitions. [2022-11-18 20:27:27,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 20:27:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 536 transitions. [2022-11-18 20:27:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-18 20:27:27,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:27,996 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:27,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:27:27,996 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:27,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:27,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1506166486, now seen corresponding path program 1 times [2022-11-18 20:27:27,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:27,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381717156] [2022-11-18 20:27:27,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:27,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:27:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:27:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:27:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:27:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:27:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:27:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:27:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:27:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:27:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:27:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:27:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:27:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:27:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:27:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:27:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:30,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 20:27:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:27:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:30,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 20:27:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:30,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-18 20:27:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 20:27:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 20:27:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-11-18 20:27:31,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:31,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381717156] [2022-11-18 20:27:31,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381717156] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:27:31,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029435486] [2022-11-18 20:27:31,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:31,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:27:31,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:31,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:27:31,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:27:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:32,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 2769 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-18 20:27:32,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:32,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-18 20:27:32,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-18 20:27:32,331 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-11-18 20:27:32,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:27:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-11-18 20:27:33,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029435486] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:27:33,064 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:27:33,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 13] total 19 [2022-11-18 20:27:33,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803118655] [2022-11-18 20:27:33,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:27:33,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-18 20:27:33,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:33,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-18 20:27:33,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-11-18 20:27:33,072 INFO L87 Difference]: Start difference. First operand 409 states and 536 transitions. Second operand has 19 states, 16 states have (on average 6.3125) internal successors, (101), 14 states have internal predecessors, (101), 10 states have call successors, (42), 7 states have call predecessors, (42), 5 states have return successors, (33), 6 states have call predecessors, (33), 8 states have call successors, (33) [2022-11-18 20:27:39,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:39,475 INFO L93 Difference]: Finished difference Result 861 states and 1161 transitions. [2022-11-18 20:27:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 20:27:39,476 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.3125) internal successors, (101), 14 states have internal predecessors, (101), 10 states have call successors, (42), 7 states have call predecessors, (42), 5 states have return successors, (33), 6 states have call predecessors, (33), 8 states have call successors, (33) Word has length 176 [2022-11-18 20:27:39,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:39,481 INFO L225 Difference]: With dead ends: 861 [2022-11-18 20:27:39,481 INFO L226 Difference]: Without dead ends: 543 [2022-11-18 20:27:39,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 397 SyntacticMatches, 4 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=151, Invalid=905, Unknown=0, NotChecked=0, Total=1056 [2022-11-18 20:27:39,484 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 552 mSDsluCounter, 2723 mSDsCounter, 0 mSdLazyCounter, 3861 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 2986 SdHoareTripleChecker+Invalid, 4154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 3861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:39,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 2986 Invalid, 4154 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [293 Valid, 3861 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-18 20:27:39,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2022-11-18 20:27:39,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 441. [2022-11-18 20:27:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 287 states have (on average 1.21602787456446) internal successors, (349), 292 states have internal predecessors, (349), 110 states have call successors, (110), 38 states have call predecessors, (110), 43 states have return successors, (123), 110 states have call predecessors, (123), 108 states have call successors, (123) [2022-11-18 20:27:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 582 transitions. [2022-11-18 20:27:39,533 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 582 transitions. Word has length 176 [2022-11-18 20:27:39,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:39,534 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 582 transitions. [2022-11-18 20:27:39,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.3125) internal successors, (101), 14 states have internal predecessors, (101), 10 states have call successors, (42), 7 states have call predecessors, (42), 5 states have return successors, (33), 6 states have call predecessors, (33), 8 states have call successors, (33) [2022-11-18 20:27:39,535 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 582 transitions. [2022-11-18 20:27:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-18 20:27:39,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:39,538 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:39,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-18 20:27:39,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:27:39,750 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:39,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:39,751 INFO L85 PathProgramCache]: Analyzing trace with hash -200637153, now seen corresponding path program 1 times [2022-11-18 20:27:39,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:39,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559409114] [2022-11-18 20:27:39,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:39,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:27:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:27:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:27:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:27:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:27:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:27:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:27:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:27:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:27:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:27:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:27:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:27:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:27:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:27:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:27:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 20:27:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:27:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:27:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-18 20:27:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:40,549 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-11-18 20:27:40,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:40,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559409114] [2022-11-18 20:27:40,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559409114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:40,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:40,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:27:40,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955547434] [2022-11-18 20:27:40,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:40,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:27:40,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:40,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:27:40,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:27:40,553 INFO L87 Difference]: Start difference. First operand 441 states and 582 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 20:27:43,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:47,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:48,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:48,575 INFO L93 Difference]: Finished difference Result 790 states and 1059 transitions. [2022-11-18 20:27:48,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:27:48,576 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 172 [2022-11-18 20:27:48,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:48,598 INFO L225 Difference]: With dead ends: 790 [2022-11-18 20:27:48,598 INFO L226 Difference]: Without dead ends: 547 [2022-11-18 20:27:48,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:27:48,600 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 569 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 360 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:48,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 901 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [360 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-18 20:27:48,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2022-11-18 20:27:48,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 443. [2022-11-18 20:27:48,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 289 states have (on average 1.2145328719723183) internal successors, (351), 294 states have internal predecessors, (351), 110 states have call successors, (110), 38 states have call predecessors, (110), 43 states have return successors, (123), 110 states have call predecessors, (123), 108 states have call successors, (123) [2022-11-18 20:27:48,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 584 transitions. [2022-11-18 20:27:48,644 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 584 transitions. Word has length 172 [2022-11-18 20:27:48,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:48,645 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 584 transitions. [2022-11-18 20:27:48,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 20:27:48,645 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 584 transitions. [2022-11-18 20:27:48,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-18 20:27:48,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:48,648 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:48,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:27:48,649 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:48,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:48,649 INFO L85 PathProgramCache]: Analyzing trace with hash 155220128, now seen corresponding path program 1 times [2022-11-18 20:27:48,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:48,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278790751] [2022-11-18 20:27:48,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:48,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:27:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:27:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:27:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:27:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:27:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:27:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:27:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:27:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:27:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:27:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:27:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:27:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:27:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:27:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:27:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 20:27:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:27:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 20:27:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-18 20:27:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 20:27:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-18 20:27:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-18 20:27:51,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:51,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278790751] [2022-11-18 20:27:51,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278790751] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:27:51,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514507891] [2022-11-18 20:27:51,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:51,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:27:51,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:51,462 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:27:51,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 20:27:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:52,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 2829 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-18 20:27:52,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-18 20:27:52,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:52,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514507891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:52,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:27:52,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 12 [2022-11-18 20:27:52,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827874020] [2022-11-18 20:27:52,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:52,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:27:52,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:52,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:27:52,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:27:52,610 INFO L87 Difference]: Start difference. First operand 443 states and 584 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-18 20:27:53,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:53,071 INFO L93 Difference]: Finished difference Result 879 states and 1157 transitions. [2022-11-18 20:27:53,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:27:53,072 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 186 [2022-11-18 20:27:53,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:53,075 INFO L225 Difference]: With dead ends: 879 [2022-11-18 20:27:53,075 INFO L226 Difference]: Without dead ends: 445 [2022-11-18 20:27:53,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:27:53,082 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 26 mSDsluCounter, 1958 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 2372 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:53,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 2372 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:27:53,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-11-18 20:27:53,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2022-11-18 20:27:53,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 290 states have (on average 1.2137931034482758) internal successors, (352), 296 states have internal predecessors, (352), 110 states have call successors, (110), 38 states have call predecessors, (110), 44 states have return successors, (124), 110 states have call predecessors, (124), 108 states have call successors, (124) [2022-11-18 20:27:53,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 586 transitions. [2022-11-18 20:27:53,131 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 586 transitions. Word has length 186 [2022-11-18 20:27:53,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:53,132 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 586 transitions. [2022-11-18 20:27:53,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-18 20:27:53,133 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 586 transitions. [2022-11-18 20:27:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-18 20:27:53,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:53,136 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:53,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:53,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-18 20:27:53,349 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:53,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:53,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1848729671, now seen corresponding path program 1 times [2022-11-18 20:27:53,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:53,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731518754] [2022-11-18 20:27:53,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:53,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:53,440 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:27:53,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2087365996] [2022-11-18 20:27:53,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:53,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:27:53,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:53,442 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:27:53,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 20:30:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:00,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 2934 conjuncts, 376 conjunts are in the unsatisfiable core [2022-11-18 20:30:00,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:30:00,280 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 20:30:00,854 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 20:30:00,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-18 20:30:00,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-18 20:30:01,230 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 13 treesize of output 9 [2022-11-18 20:30:01,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-18 20:30:01,867 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 13 treesize of output 9 [2022-11-18 20:30:02,448 INFO L321 Elim1Store]: treesize reduction 112, result has 28.7 percent of original size [2022-11-18 20:30:02,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 88 treesize of output 114 [2022-11-18 20:30:06,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-18 20:30:07,551 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 119 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-18 20:30:07,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:30:08,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:08,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731518754] [2022-11-18 20:30:08,227 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:30:08,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087365996] [2022-11-18 20:30:08,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087365996] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:30:08,231 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:30:08,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2022-11-18 20:30:08,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546035008] [2022-11-18 20:30:08,232 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-18 20:30:08,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-18 20:30:08,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:08,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-18 20:30:08,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1282, Unknown=1, NotChecked=0, Total=1406 [2022-11-18 20:30:08,235 INFO L87 Difference]: Start difference. First operand 445 states and 586 transitions. Second operand has 34 states, 27 states have (on average 3.4444444444444446) internal successors, (93), 25 states have internal predecessors, (93), 11 states have call successors, (32), 6 states have call predecessors, (32), 10 states have return successors, (28), 10 states have call predecessors, (28), 11 states have call successors, (28) [2022-11-18 20:30:11,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:11,066 INFO L93 Difference]: Finished difference Result 913 states and 1190 transitions. [2022-11-18 20:30:11,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 20:30:11,067 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 27 states have (on average 3.4444444444444446) internal successors, (93), 25 states have internal predecessors, (93), 11 states have call successors, (32), 6 states have call predecessors, (32), 10 states have return successors, (28), 10 states have call predecessors, (28), 11 states have call successors, (28) Word has length 192 [2022-11-18 20:30:11,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:11,070 INFO L225 Difference]: With dead ends: 913 [2022-11-18 20:30:11,070 INFO L226 Difference]: Without dead ends: 469 [2022-11-18 20:30:11,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 245 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=148, Invalid=1573, Unknown=1, NotChecked=0, Total=1722 [2022-11-18 20:30:11,074 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 163 mSDsluCounter, 2488 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 2738 SdHoareTripleChecker+Invalid, 6209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5115 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:11,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 2738 Invalid, 6209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1033 Invalid, 0 Unknown, 5115 Unchecked, 2.4s Time] [2022-11-18 20:30:11,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-11-18 20:30:11,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 461. [2022-11-18 20:30:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 301 states have (on average 1.2093023255813953) internal successors, (364), 308 states have internal predecessors, (364), 111 states have call successors, (111), 41 states have call predecessors, (111), 48 states have return successors, (128), 111 states have call predecessors, (128), 109 states have call successors, (128) [2022-11-18 20:30:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 603 transitions. [2022-11-18 20:30:11,120 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 603 transitions. Word has length 192 [2022-11-18 20:30:11,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:11,120 INFO L495 AbstractCegarLoop]: Abstraction has 461 states and 603 transitions. [2022-11-18 20:30:11,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 27 states have (on average 3.4444444444444446) internal successors, (93), 25 states have internal predecessors, (93), 11 states have call successors, (32), 6 states have call predecessors, (32), 10 states have return successors, (28), 10 states have call predecessors, (28), 11 states have call successors, (28) [2022-11-18 20:30:11,121 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 603 transitions. [2022-11-18 20:30:11,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-18 20:30:11,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:11,125 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:30:11,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:11,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-18 20:30:11,339 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:30:11,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:11,340 INFO L85 PathProgramCache]: Analyzing trace with hash -708998723, now seen corresponding path program 1 times [2022-11-18 20:30:11,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:11,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941837972] [2022-11-18 20:30:11,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:11,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:30:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:30:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:11,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:30:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:30:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:11,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:30:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:30:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:30:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:30:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:30:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 20:30:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:30:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:30:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 20:30:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 20:30:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 20:30:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 20:30:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 20:30:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:30:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 20:30:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:30:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:30:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 20:30:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:30:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-18 20:30:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 20:30:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 20:30:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:30:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-11-18 20:30:12,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:12,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941837972] [2022-11-18 20:30:12,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941837972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:12,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:12,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 20:30:12,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693541361] [2022-11-18 20:30:12,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:12,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:30:12,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:12,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:30:12,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:30:12,509 INFO L87 Difference]: Start difference. First operand 461 states and 603 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 20:30:15,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:15,200 INFO L93 Difference]: Finished difference Result 974 states and 1296 transitions. [2022-11-18 20:30:15,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:30:15,201 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) Word has length 198 [2022-11-18 20:30:15,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:15,205 INFO L225 Difference]: With dead ends: 974 [2022-11-18 20:30:15,205 INFO L226 Difference]: Without dead ends: 532 [2022-11-18 20:30:15,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:30:15,207 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 512 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 2188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:15,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1608 Invalid, 2188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-18 20:30:15,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2022-11-18 20:30:15,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 460. [2022-11-18 20:30:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 301 states have (on average 1.2059800664451827) internal successors, (363), 307 states have internal predecessors, (363), 110 states have call successors, (110), 41 states have call predecessors, (110), 48 states have return successors, (126), 111 states have call predecessors, (126), 108 states have call successors, (126) [2022-11-18 20:30:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 599 transitions. [2022-11-18 20:30:15,249 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 599 transitions. Word has length 198 [2022-11-18 20:30:15,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:15,249 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 599 transitions. [2022-11-18 20:30:15,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 20:30:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 599 transitions. [2022-11-18 20:30:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-18 20:30:15,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:15,252 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:30:15,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 20:30:15,253 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:30:15,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:15,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1605235821, now seen corresponding path program 1 times [2022-11-18 20:30:15,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:15,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697194581] [2022-11-18 20:30:15,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:15,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:15,331 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:30:15,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1378684031] [2022-11-18 20:30:15,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:15,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:30:15,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:15,333 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:30:15,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 20:30:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:16,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 2938 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:30:16,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:30:16,286 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-18 20:30:16,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:30:16,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:16,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697194581] [2022-11-18 20:30:16,287 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:30:16,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378684031] [2022-11-18 20:30:16,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378684031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:16,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:16,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:30:16,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308985725] [2022-11-18 20:30:16,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:16,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:30:16,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:16,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:30:16,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:30:16,293 INFO L87 Difference]: Start difference. First operand 460 states and 599 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 6 states have internal predecessors, (88), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 20:30:16,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:16,347 INFO L93 Difference]: Finished difference Result 505 states and 648 transitions. [2022-11-18 20:30:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:30:16,348 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 6 states have internal predecessors, (88), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) Word has length 198 [2022-11-18 20:30:16,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:16,348 INFO L225 Difference]: With dead ends: 505 [2022-11-18 20:30:16,348 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:30:16,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:30:16,373 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 2 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:16,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 343 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:30:16,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:30:16,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:30:16,375 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 20:30:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:30:16,375 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198 [2022-11-18 20:30:16,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:16,375 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:30:16,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 6 states have internal predecessors, (88), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 20:30:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:30:16,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:30:16,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:30:16,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:16,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-18 20:30:16,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:30:17,645 INFO L902 garLoopResultBuilder]: At program point L7342(line 7342) the Hoare annotation is: true [2022-11-18 20:30:17,645 INFO L899 garLoopResultBuilder]: For program point uninterpreted_equalsFINAL(lines 7331 7345) no Hoare annotation was computed. [2022-11-18 20:30:17,645 INFO L899 garLoopResultBuilder]: For program point L7339-1(line 7339) no Hoare annotation was computed. [2022-11-18 20:30:17,645 INFO L902 garLoopResultBuilder]: At program point L7339(line 7339) the Hoare annotation is: true [2022-11-18 20:30:17,645 INFO L899 garLoopResultBuilder]: For program point L7342-3(line 7342) no Hoare annotation was computed. [2022-11-18 20:30:17,645 INFO L899 garLoopResultBuilder]: For program point L7341-2(lines 7341 7343) no Hoare annotation was computed. [2022-11-18 20:30:17,646 INFO L902 garLoopResultBuilder]: At program point L7342-2(line 7342) the Hoare annotation is: true [2022-11-18 20:30:17,646 INFO L899 garLoopResultBuilder]: For program point L7341(lines 7341 7343) no Hoare annotation was computed. [2022-11-18 20:30:17,646 INFO L902 garLoopResultBuilder]: At program point L7342-1(line 7342) the Hoare annotation is: true [2022-11-18 20:30:17,646 INFO L899 garLoopResultBuilder]: For program point uninterpreted_equalsEXIT(lines 7331 7345) no Hoare annotation was computed. [2022-11-18 20:30:17,646 INFO L899 garLoopResultBuilder]: For program point L7335-1(line 7335) no Hoare annotation was computed. [2022-11-18 20:30:17,646 INFO L902 garLoopResultBuilder]: At program point L7335(line 7335) the Hoare annotation is: true [2022-11-18 20:30:17,646 INFO L902 garLoopResultBuilder]: At program point L7337-1(line 7337) the Hoare annotation is: true [2022-11-18 20:30:17,646 INFO L902 garLoopResultBuilder]: At program point uninterpreted_equalsENTRY(lines 7331 7345) the Hoare annotation is: true [2022-11-18 20:30:17,646 INFO L902 garLoopResultBuilder]: At program point L7337(line 7337) the Hoare annotation is: true [2022-11-18 20:30:17,646 INFO L899 garLoopResultBuilder]: For program point L6944-1(lines 6944 6946) no Hoare annotation was computed. [2022-11-18 20:30:17,647 INFO L895 garLoopResultBuilder]: At program point L6944(lines 6944 6946) the Hoare annotation is: (or (forall ((|aux_div_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| Int) (|v_ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base_BEFORE_CALL_3| Int) (|aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| Int)) (or (not (<= 0 |aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104|)) (not (<= |aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| 4)) (not (= (select (select |#memory_int| |v_ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base_BEFORE_CALL_3|) 0) (+ (* |aux_div_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| 442721857769029238784) 442721857768999609256 (* |aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| 24)))))) (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-18 20:30:17,647 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6943 6948) the Hoare annotation is: (or (forall ((|aux_div_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| Int) (|v_ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base_BEFORE_CALL_3| Int) (|aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| Int)) (or (not (<= 0 |aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104|)) (not (<= |aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| 4)) (not (= (select (select |#memory_int| |v_ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base_BEFORE_CALL_3|) 0) (+ (* |aux_div_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| 442721857769029238784) 442721857768999609256 (* |aux_mod_v_ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1_BEFORE_CALL_5_104| 24)))))) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-18 20:30:17,647 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6943 6948) no Hoare annotation was computed. [2022-11-18 20:30:17,647 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6943 6948) no Hoare annotation was computed. [2022-11-18 20:30:17,648 INFO L902 garLoopResultBuilder]: At program point __CPROVER_uninterpreted_equalsENTRY(line 239) the Hoare annotation is: true [2022-11-18 20:30:17,648 INFO L899 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_equalsFINAL(line 239) no Hoare annotation was computed. [2022-11-18 20:30:17,648 INFO L899 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_equalsEXIT(line 239) no Hoare annotation was computed. [2022-11-18 20:30:17,648 INFO L899 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_hasherEXIT(line 238) no Hoare annotation was computed. [2022-11-18 20:30:17,648 INFO L902 garLoopResultBuilder]: At program point __CPROVER_uninterpreted_hasherENTRY(line 238) the Hoare annotation is: true [2022-11-18 20:30:17,648 INFO L899 garLoopResultBuilder]: For program point __CPROVER_uninterpreted_hasherFINAL(line 238) no Hoare annotation was computed. [2022-11-18 20:30:17,649 INFO L899 garLoopResultBuilder]: For program point L10008-3(line 10008) no Hoare annotation was computed. [2022-11-18 20:30:17,649 INFO L902 garLoopResultBuilder]: At program point L10008-4(line 10008) the Hoare annotation is: true [2022-11-18 20:30:17,649 INFO L899 garLoopResultBuilder]: For program point L10008-5(line 10008) no Hoare annotation was computed. [2022-11-18 20:30:17,649 INFO L902 garLoopResultBuilder]: At program point aws_hash_table_is_validENTRY(lines 10006 10009) the Hoare annotation is: true [2022-11-18 20:30:17,649 INFO L899 garLoopResultBuilder]: For program point L10008(line 10008) no Hoare annotation was computed. [2022-11-18 20:30:17,649 INFO L899 garLoopResultBuilder]: For program point L10008-2(line 10008) no Hoare annotation was computed. [2022-11-18 20:30:17,649 INFO L899 garLoopResultBuilder]: For program point L10008-7(line 10008) no Hoare annotation was computed. [2022-11-18 20:30:17,650 INFO L899 garLoopResultBuilder]: For program point aws_hash_table_is_validEXIT(lines 10006 10009) no Hoare annotation was computed. [2022-11-18 20:30:17,650 INFO L899 garLoopResultBuilder]: For program point aws_hash_table_is_validFINAL(lines 10006 10009) no Hoare annotation was computed. [2022-11-18 20:30:17,650 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-18 20:30:17,650 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-18 20:30:17,650 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-18 20:30:17,650 INFO L899 garLoopResultBuilder]: For program point L7130(lines 7130 7134) no Hoare annotation was computed. [2022-11-18 20:30:17,651 INFO L899 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7122 7135) no Hoare annotation was computed. [2022-11-18 20:30:17,651 INFO L902 garLoopResultBuilder]: At program point L7126(lines 7126 7128) the Hoare annotation is: true [2022-11-18 20:30:17,651 INFO L902 garLoopResultBuilder]: At program point aws_mem_releaseENTRY(lines 7122 7135) the Hoare annotation is: true [2022-11-18 20:30:17,651 INFO L899 garLoopResultBuilder]: For program point L7130-2(lines 7122 7135) no Hoare annotation was computed. [2022-11-18 20:30:17,651 INFO L899 garLoopResultBuilder]: For program point L7123-1(lines 7123 7125) no Hoare annotation was computed. [2022-11-18 20:30:17,651 INFO L902 garLoopResultBuilder]: At program point L7123(lines 7123 7125) the Hoare annotation is: true [2022-11-18 20:30:17,651 INFO L899 garLoopResultBuilder]: For program point L7126-1(lines 7126 7128) no Hoare annotation was computed. [2022-11-18 20:30:17,652 INFO L895 garLoopResultBuilder]: At program point hash_table_state_required_bytesENTRY(lines 10119 10131) 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$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) [2022-11-18 20:30:17,652 INFO L899 garLoopResultBuilder]: For program point hash_table_state_required_bytesEXIT(lines 10119 10131) no Hoare annotation was computed. [2022-11-18 20:30:17,652 INFO L899 garLoopResultBuilder]: For program point L10126-1(line 10126) no Hoare annotation was computed. [2022-11-18 20:30:17,652 INFO L899 garLoopResultBuilder]: For program point L10126-2(lines 10126 10128) no Hoare annotation was computed. [2022-11-18 20:30:17,652 INFO L895 garLoopResultBuilder]: At program point L10122(line 10122) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= hash_table_state_required_bytes_~required_bytes.offset |hash_table_state_required_bytes_#in~required_bytes.offset|) (= (select |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base|) 0) (= hash_table_state_required_bytes_~size |hash_table_state_required_bytes_#in~size|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= hash_table_state_required_bytes_~required_bytes.base |hash_table_state_required_bytes_#in~required_bytes.base|) (= |hash_table_state_required_bytes_~#elemsize~0.offset| 0) (exists ((v_ArrVal_2921 Int)) (= (store |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base| v_ArrVal_2921) |#valid|))) [2022-11-18 20:30:17,653 INFO L895 garLoopResultBuilder]: At program point L10126(line 10126) the Hoare annotation is: (and (= (* |hash_table_state_required_bytes_#in~size| 24) |hash_table_state_required_bytes_#t~mem1320|) (= hash_table_state_required_bytes_~required_bytes.offset |hash_table_state_required_bytes_#in~required_bytes.offset|) (= (select |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base|) 0) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_74| Int) (v_ArrVal_2922 Int) (v_ArrVal_2921 Int)) (let ((.cse0 (store |old(#valid)| |hash_table_state_required_bytes_~#elemsize~0.base| v_ArrVal_2921))) (and (= (store .cse0 |v___CPROVER_overflow_mult_~#c~1.base_74| v_ArrVal_2922) |#valid|) (= (select .cse0 |v___CPROVER_overflow_mult_~#c~1.base_74|) 0)))) (= hash_table_state_required_bytes_~required_bytes.base |hash_table_state_required_bytes_#in~required_bytes.base|)) [2022-11-18 20:30:17,653 INFO L899 garLoopResultBuilder]: For program point hash_table_state_required_bytesFINAL(lines 10119 10131) no Hoare annotation was computed. [2022-11-18 20:30:17,653 INFO L899 garLoopResultBuilder]: For program point L10122-1(line 10122) no Hoare annotation was computed. [2022-11-18 20:30:17,653 INFO L899 garLoopResultBuilder]: For program point L10122-2(lines 10122 10124) no Hoare annotation was computed. [2022-11-18 20:30:17,653 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:30:17,653 INFO L902 garLoopResultBuilder]: At program point L6940(lines 6934 6941) the Hoare annotation is: true [2022-11-18 20:30:17,654 INFO L902 garLoopResultBuilder]: At program point L6936-2(line 6936) the Hoare annotation is: true [2022-11-18 20:30:17,654 INFO L899 garLoopResultBuilder]: For program point L6936-1(line 6936) no Hoare annotation was computed. [2022-11-18 20:30:17,654 INFO L902 garLoopResultBuilder]: At program point L6936(line 6936) the Hoare annotation is: true [2022-11-18 20:30:17,654 INFO L899 garLoopResultBuilder]: For program point L6937-1(lines 6937 6939) no Hoare annotation was computed. [2022-11-18 20:30:17,654 INFO L902 garLoopResultBuilder]: At program point L6937(lines 6937 6939) the Hoare annotation is: true [2022-11-18 20:30:17,654 INFO L899 garLoopResultBuilder]: For program point L6936-3(line 6936) no Hoare annotation was computed. [2022-11-18 20:30:17,655 INFO L899 garLoopResultBuilder]: For program point can_fail_callocEXIT(lines 6954 6958) no Hoare annotation was computed. [2022-11-18 20:30:17,655 INFO L899 garLoopResultBuilder]: For program point L6955-1(lines 6955 6957) no Hoare annotation was computed. [2022-11-18 20:30:17,655 INFO L902 garLoopResultBuilder]: At program point can_fail_callocENTRY(lines 6954 6958) the Hoare annotation is: true [2022-11-18 20:30:17,655 INFO L902 garLoopResultBuilder]: At program point L6955(line 6955) the Hoare annotation is: true [2022-11-18 20:30:17,655 INFO L899 garLoopResultBuilder]: For program point can_fail_callocFINAL(lines 6954 6958) no Hoare annotation was computed. [2022-11-18 20:30:17,655 INFO L899 garLoopResultBuilder]: For program point L6955-3(lines 6955 6957) no Hoare annotation was computed. [2022-11-18 20:30:17,655 INFO L902 garLoopResultBuilder]: At program point L2657(lines 2637 2658) the Hoare annotation is: true [2022-11-18 20:30:17,655 INFO L899 garLoopResultBuilder]: For program point L9210(lines 9210 9212) no Hoare annotation was computed. [2022-11-18 20:30:17,655 INFO L899 garLoopResultBuilder]: For program point L9202(lines 9202 9204) no Hoare annotation was computed. [2022-11-18 20:30:17,655 INFO L899 garLoopResultBuilder]: For program point L9210-2(lines 9210 9212) no Hoare annotation was computed. [2022-11-18 20:30:17,656 INFO L899 garLoopResultBuilder]: For program point L2643-1(line 2643) no Hoare annotation was computed. [2022-11-18 20:30:17,656 INFO L902 garLoopResultBuilder]: At program point L2643(line 2643) the Hoare annotation is: true [2022-11-18 20:30:17,656 INFO L899 garLoopResultBuilder]: For program point L9196(lines 9196 9198) no Hoare annotation was computed. [2022-11-18 20:30:17,656 INFO L899 garLoopResultBuilder]: For program point L9196-2(lines 9196 9198) no Hoare annotation was computed. [2022-11-18 20:30:17,656 INFO L899 garLoopResultBuilder]: For program point L2642(lines 2642 2644) no Hoare annotation was computed. [2022-11-18 20:30:17,656 INFO L899 garLoopResultBuilder]: For program point L2638(lines 2638 2641) no Hoare annotation was computed. [2022-11-18 20:30:17,656 INFO L899 garLoopResultBuilder]: For program point s_update_template_sizeEXIT(lines 9193 9218) no Hoare annotation was computed. [2022-11-18 20:30:17,656 INFO L902 garLoopResultBuilder]: At program point s_update_template_sizeENTRY(lines 9193 9218) the Hoare annotation is: true [2022-11-18 20:30:17,657 INFO L899 garLoopResultBuilder]: For program point s_update_template_sizeFINAL(lines 9193 9218) no Hoare annotation was computed. [2022-11-18 20:30:17,657 INFO L899 garLoopResultBuilder]: For program point aws_allocator_is_validFINAL(lines 6984 6987) no Hoare annotation was computed. [2022-11-18 20:30:17,657 INFO L902 garLoopResultBuilder]: At program point L6986(line 6986) the Hoare annotation is: true [2022-11-18 20:30:17,657 INFO L902 garLoopResultBuilder]: At program point aws_allocator_is_validENTRY(lines 6984 6987) the Hoare annotation is: true [2022-11-18 20:30:17,658 INFO L899 garLoopResultBuilder]: For program point L6986-1(line 6986) no Hoare annotation was computed. [2022-11-18 20:30:17,658 INFO L899 garLoopResultBuilder]: For program point aws_allocator_is_validEXIT(lines 6984 6987) no Hoare annotation was computed. [2022-11-18 20:30:17,658 INFO L902 garLoopResultBuilder]: At program point L9150-1(line 9150) the Hoare annotation is: true [2022-11-18 20:30:17,658 INFO L902 garLoopResultBuilder]: At program point s_hash_keys_eqENTRY(lines 9147 9155) the Hoare annotation is: true [2022-11-18 20:30:17,658 INFO L899 garLoopResultBuilder]: For program point L9150-2(line 9150) no Hoare annotation was computed. [2022-11-18 20:30:17,658 INFO L899 garLoopResultBuilder]: For program point s_hash_keys_eqEXIT(lines 9147 9155) no Hoare annotation was computed. [2022-11-18 20:30:17,658 INFO L902 garLoopResultBuilder]: At program point L9153(line 9153) the Hoare annotation is: true [2022-11-18 20:30:17,658 INFO L902 garLoopResultBuilder]: At program point L9154-1(line 9154) the Hoare annotation is: true [2022-11-18 20:30:17,658 INFO L899 garLoopResultBuilder]: For program point L9153-1(line 9153) no Hoare annotation was computed. [2022-11-18 20:30:17,658 INFO L899 garLoopResultBuilder]: For program point L9154-2(line 9154) no Hoare annotation was computed. [2022-11-18 20:30:17,658 INFO L902 garLoopResultBuilder]: At program point L9154-3(line 9154) the Hoare annotation is: true [2022-11-18 20:30:17,659 INFO L902 garLoopResultBuilder]: At program point L9150(line 9150) the Hoare annotation is: true [2022-11-18 20:30:17,659 INFO L899 garLoopResultBuilder]: For program point L9154-4(lines 9147 9155) no Hoare annotation was computed. [2022-11-18 20:30:17,659 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2022-11-18 20:30:17,659 INFO L899 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2022-11-18 20:30:17,659 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2586 2594) no Hoare annotation was computed. [2022-11-18 20:30:17,659 INFO L895 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2586 2594) 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$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) [2022-11-18 20:30:17,659 INFO L895 garLoopResultBuilder]: At program point L2501(lines 2497 2502) the Hoare annotation is: (or (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ |aws_mul_size_checked_aws_mul_u64_checked_#res#1| 1) 0)) (and (= (* |aws_mul_size_checked_#in~b#1| |aws_mul_size_checked_#in~a#1|) (select (select |#memory_int| |aws_mul_size_checked_#in~r#1.base|) |aws_mul_size_checked_#in~r#1.offset|)) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_74| Int) (v_ArrVal_2922 Int)) (and (= (store |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_74| v_ArrVal_2922) |#valid|) (= (select |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_74|) 0))) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |aws_mul_size_checked_aws_mul_u64_checked_#res#1| 0))) [2022-11-18 20:30:17,659 INFO L895 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| |aws_mul_size_checked_#in~r#1.base|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |aws_mul_size_checked_#in~a#1| |aws_mul_size_checked_aws_mul_u64_checked_~a#1|) (= |aws_mul_size_checked_#in~b#1| |aws_mul_size_checked_aws_mul_u64_checked_~b#1|) (= |old(#valid)| |#valid|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| |aws_mul_size_checked_#in~r#1.offset|)) [2022-11-18 20:30:17,660 INFO L899 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2022-11-18 20:30:17,660 INFO L895 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| |aws_mul_size_checked_#in~r#1.base|) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_74| Int) (v_ArrVal_2922 Int)) (and (= (store |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_74| v_ArrVal_2922) |#valid|) (= (select |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_74|) 0))) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |aws_mul_size_checked_#in~a#1| |aws_mul_size_checked_aws_mul_u64_checked_~a#1|) (= |aws_mul_size_checked_#in~b#1| |aws_mul_size_checked_aws_mul_u64_checked_~b#1|) (= |aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset| |aws_mul_size_checked_#in~r#1.offset|)) [2022-11-18 20:30:17,660 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-11-18 20:30:17,660 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-11-18 20:30:17,660 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-11-18 20:30:17,660 INFO L899 garLoopResultBuilder]: For program point L9115(line 9115) no Hoare annotation was computed. [2022-11-18 20:30:17,660 INFO L902 garLoopResultBuilder]: At program point L9115-1(lines 9100 9116) the Hoare annotation is: true [2022-11-18 20:30:17,660 INFO L899 garLoopResultBuilder]: For program point L9115-2(lines 9100 9116) no Hoare annotation was computed. [2022-11-18 20:30:17,660 INFO L902 garLoopResultBuilder]: At program point L9101(line 9101) the Hoare annotation is: true [2022-11-18 20:30:17,660 INFO L902 garLoopResultBuilder]: At program point L9101-1(line 9101) the Hoare annotation is: true [2022-11-18 20:30:17,660 INFO L899 garLoopResultBuilder]: For program point L9101-2(line 9101) no Hoare annotation was computed. [2022-11-18 20:30:17,661 INFO L902 garLoopResultBuilder]: At program point L7373-1(lines 7369 7374) the Hoare annotation is: true [2022-11-18 20:30:17,661 INFO L899 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2022-11-18 20:30:17,661 INFO L899 garLoopResultBuilder]: For program point L9085(lines 9085 9093) no Hoare annotation was computed. [2022-11-18 20:30:17,661 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-11-18 20:30:17,661 INFO L899 garLoopResultBuilder]: For program point L9112(lines 9112 9114) no Hoare annotation was computed. [2022-11-18 20:30:17,661 INFO L902 garLoopResultBuilder]: At program point s_hash_forENTRY(lines 9100 9116) the Hoare annotation is: true [2022-11-18 20:30:17,662 INFO L902 garLoopResultBuilder]: At program point L7370(lines 7370 7372) the Hoare annotation is: true [2022-11-18 20:30:17,663 INFO L899 garLoopResultBuilder]: For program point L9104(lines 9104 9109) no Hoare annotation was computed. [2022-11-18 20:30:17,663 INFO L899 garLoopResultBuilder]: For program point s_hash_forEXIT(lines 9100 9116) no Hoare annotation was computed. [2022-11-18 20:30:17,663 INFO L902 garLoopResultBuilder]: At program point L7370-1(lines 7370 7372) the Hoare annotation is: true [2022-11-18 20:30:17,663 INFO L895 garLoopResultBuilder]: At program point __CPROVER_overflow_plusENTRY(lines 248 251) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-18 20:30:17,664 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_plusFINAL(lines 248 251) no Hoare annotation was computed. [2022-11-18 20:30:17,664 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2022-11-18 20:30:17,664 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:30:17,664 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-18 20:30:17,664 INFO L902 garLoopResultBuilder]: At program point L7356-1(lines 7348 7357) the Hoare annotation is: true [2022-11-18 20:30:17,664 INFO L899 garLoopResultBuilder]: For program point L7356(line 7356) no Hoare annotation was computed. [2022-11-18 20:30:17,665 INFO L902 garLoopResultBuilder]: At program point L7350(lines 7350 7352) the Hoare annotation is: true [2022-11-18 20:30:17,665 INFO L902 garLoopResultBuilder]: At program point L7287(lines 7280 7288) the Hoare annotation is: true [2022-11-18 20:30:17,665 INFO L902 garLoopResultBuilder]: At program point L7353(lines 7353 7355) the Hoare annotation is: true [2022-11-18 20:30:17,665 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:30:17,665 INFO L899 garLoopResultBuilder]: For program point L7284(lines 7284 7286) no Hoare annotation was computed. [2022-11-18 20:30:17,665 INFO L902 garLoopResultBuilder]: At program point L7350-1(lines 7350 7352) the Hoare annotation is: true [2022-11-18 20:30:17,665 INFO L902 garLoopResultBuilder]: At program point L7281-1(lines 7281 7283) the Hoare annotation is: true [2022-11-18 20:30:17,666 INFO L902 garLoopResultBuilder]: At program point L7281(lines 7281 7283) the Hoare annotation is: true [2022-11-18 20:30:17,666 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:30:17,666 INFO L902 garLoopResultBuilder]: At program point L262(line 262) the Hoare annotation is: true [2022-11-18 20:30:17,666 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2022-11-18 20:30:17,666 INFO L899 garLoopResultBuilder]: For program point aws_hash_table_createEXIT(lines 9516 9580) no Hoare annotation was computed. [2022-11-18 20:30:17,666 INFO L899 garLoopResultBuilder]: For program point L9533(lines 9533 9539) no Hoare annotation was computed. [2022-11-18 20:30:17,667 INFO L899 garLoopResultBuilder]: For program point L9504(lines 9504 9507) no Hoare annotation was computed. [2022-11-18 20:30:17,667 INFO L899 garLoopResultBuilder]: For program point L9546(lines 9546 9561) no Hoare annotation was computed. [2022-11-18 20:30:17,667 INFO L902 garLoopResultBuilder]: At program point L9571(line 9571) the Hoare annotation is: true [2022-11-18 20:30:17,667 INFO L899 garLoopResultBuilder]: For program point L9571-1(line 9571) no Hoare annotation was computed. [2022-11-18 20:30:17,667 INFO L902 garLoopResultBuilder]: At program point L9513(lines 9484 9514) the Hoare annotation is: true [2022-11-18 20:30:17,667 INFO L899 garLoopResultBuilder]: For program point L9546-2(lines 9546 9561) no Hoare annotation was computed. [2022-11-18 20:30:17,667 INFO L899 garLoopResultBuilder]: For program point L9534-2(lines 9534 9536) no Hoare annotation was computed. [2022-11-18 20:30:17,668 INFO L899 garLoopResultBuilder]: For program point L9534(lines 9534 9536) no Hoare annotation was computed. [2022-11-18 20:30:17,668 INFO L902 garLoopResultBuilder]: At program point L9493(line 9493) the Hoare annotation is: true [2022-11-18 20:30:17,668 INFO L899 garLoopResultBuilder]: For program point L9493-1(line 9493) no Hoare annotation was computed. [2022-11-18 20:30:17,668 INFO L899 garLoopResultBuilder]: For program point L9493-2(lines 9493 9495) no Hoare annotation was computed. [2022-11-18 20:30:17,668 INFO L902 garLoopResultBuilder]: At program point L9497(line 9497) the Hoare annotation is: true [2022-11-18 20:30:17,668 INFO L899 garLoopResultBuilder]: For program point L9497-1(line 9497) no Hoare annotation was computed. [2022-11-18 20:30:17,669 INFO L902 garLoopResultBuilder]: At program point L9489(line 9489) the Hoare annotation is: true [2022-11-18 20:30:17,669 INFO L899 garLoopResultBuilder]: For program point L9489-1(line 9489) no Hoare annotation was computed. [2022-11-18 20:30:17,669 INFO L899 garLoopResultBuilder]: For program point L9489-2(lines 9489 9491) no Hoare annotation was computed. [2022-11-18 20:30:17,669 INFO L899 garLoopResultBuilder]: For program point L9543-2(lines 9543 9545) no Hoare annotation was computed. [2022-11-18 20:30:17,669 INFO L902 garLoopResultBuilder]: At program point L9506(line 9506) the Hoare annotation is: true [2022-11-18 20:30:17,669 INFO L902 garLoopResultBuilder]: At program point L9543(line 9543) the Hoare annotation is: true [2022-11-18 20:30:17,669 INFO L899 garLoopResultBuilder]: For program point L9543-1(line 9543) no Hoare annotation was computed. [2022-11-18 20:30:17,670 INFO L899 garLoopResultBuilder]: For program point L9502-1(lines 9502 9508) no Hoare annotation was computed. [2022-11-18 20:30:17,670 INFO L899 garLoopResultBuilder]: For program point L9531(line 9531) no Hoare annotation was computed. [2022-11-18 20:30:17,670 INFO L899 garLoopResultBuilder]: For program point L9502-3(lines 9502 9508) no Hoare annotation was computed. [2022-11-18 20:30:17,670 INFO L899 garLoopResultBuilder]: For program point L9498(lines 9498 9500) no Hoare annotation was computed. [2022-11-18 20:30:17,670 INFO L902 garLoopResultBuilder]: At program point L9502-4(lines 9502 9508) the Hoare annotation is: true [2022-11-18 20:30:17,670 INFO L899 garLoopResultBuilder]: For program point L9506-1(line 9506) no Hoare annotation was computed. [2022-11-18 20:30:17,670 INFO L902 garLoopResultBuilder]: At program point aws_hash_table_createENTRY(lines 9516 9580) the Hoare annotation is: true [2022-11-18 20:30:17,671 INFO L899 garLoopResultBuilder]: For program point aws_hash_table_createFINAL(lines 9516 9580) no Hoare annotation was computed. [2022-11-18 20:30:17,671 INFO L902 garLoopResultBuilder]: At program point L9527-2(lines 9527 9529) the Hoare annotation is: true [2022-11-18 20:30:17,671 INFO L902 garLoopResultBuilder]: At program point L9523(line 9523) the Hoare annotation is: true [2022-11-18 20:30:17,671 INFO L899 garLoopResultBuilder]: For program point L9523-1(line 9523) no Hoare annotation was computed. [2022-11-18 20:30:17,671 INFO L899 garLoopResultBuilder]: For program point L9502-5(lines 9502 9508) no Hoare annotation was computed. [2022-11-18 20:30:17,671 INFO L899 garLoopResultBuilder]: For program point L9527(lines 9527 9529) no Hoare annotation was computed. [2022-11-18 20:30:17,671 INFO L899 garLoopResultBuilder]: For program point L9548(lines 9548 9551) no Hoare annotation was computed. [2022-11-18 20:30:17,672 INFO L899 garLoopResultBuilder]: For program point L9573(lines 9573 9575) no Hoare annotation was computed. [2022-11-18 20:30:17,672 INFO L899 garLoopResultBuilder]: For program point L9573-2(lines 9573 9575) no Hoare annotation was computed. [2022-11-18 20:30:17,672 INFO L902 garLoopResultBuilder]: At program point L9511(line 9511) the Hoare annotation is: true [2022-11-18 20:30:17,672 INFO L899 garLoopResultBuilder]: For program point L9511-1(line 9511) no Hoare annotation was computed. [2022-11-18 20:30:17,672 INFO L902 garLoopResultBuilder]: At program point hash_table_state_is_validENTRY(lines 10017 10064) the Hoare annotation is: true [2022-11-18 20:30:17,672 INFO L902 garLoopResultBuilder]: At program point L10045(line 10045) the Hoare annotation is: true [2022-11-18 20:30:17,673 INFO L899 garLoopResultBuilder]: For program point L10045-1(line 10045) no Hoare annotation was computed. [2022-11-18 20:30:17,673 INFO L899 garLoopResultBuilder]: For program point hash_table_state_is_validEXIT(lines 10017 10064) no Hoare annotation was computed. [2022-11-18 20:30:17,673 INFO L899 garLoopResultBuilder]: For program point hash_table_state_is_validFINAL(lines 10017 10064) no Hoare annotation was computed. [2022-11-18 20:30:17,673 INFO L899 garLoopResultBuilder]: For program point L10019(lines 10019 10023) no Hoare annotation was computed. [2022-11-18 20:30:17,673 INFO L899 garLoopResultBuilder]: For program point L9131(lines 9131 9139) no Hoare annotation was computed. [2022-11-18 20:30:17,673 INFO L902 garLoopResultBuilder]: At program point s_safe_eq_checkENTRY(lines 9121 9142) the Hoare annotation is: true [2022-11-18 20:30:17,673 INFO L899 garLoopResultBuilder]: For program point L9125(lines 9125 9129) no Hoare annotation was computed. [2022-11-18 20:30:17,674 INFO L902 garLoopResultBuilder]: At program point L9141(line 9141) the Hoare annotation is: true [2022-11-18 20:30:17,674 INFO L899 garLoopResultBuilder]: For program point L9141-1(line 9141) no Hoare annotation was computed. [2022-11-18 20:30:17,674 INFO L899 garLoopResultBuilder]: For program point s_safe_eq_checkFINAL(lines 9121 9142) no Hoare annotation was computed. [2022-11-18 20:30:17,674 INFO L899 garLoopResultBuilder]: For program point s_safe_eq_checkEXIT(lines 9121 9142) no Hoare annotation was computed. [2022-11-18 20:30:17,674 INFO L902 garLoopResultBuilder]: At program point L9173(line 9173) the Hoare annotation is: true [2022-11-18 20:30:17,674 INFO L899 garLoopResultBuilder]: For program point L9173-1(line 9173) no Hoare annotation was computed. [2022-11-18 20:30:17,674 INFO L899 garLoopResultBuilder]: For program point L9173-2(lines 9173 9177) no Hoare annotation was computed. [2022-11-18 20:30:17,675 INFO L902 garLoopResultBuilder]: At program point s_alloc_stateENTRY(lines 9171 9190) the Hoare annotation is: true [2022-11-18 20:30:17,675 INFO L902 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2022-11-18 20:30:17,675 INFO L902 garLoopResultBuilder]: At program point L7020(lines 7001 7021) the Hoare annotation is: true [2022-11-18 20:30:17,675 INFO L899 garLoopResultBuilder]: For program point L7016-1(line 7016) no Hoare annotation was computed. [2022-11-18 20:30:17,675 INFO L902 garLoopResultBuilder]: At program point L7016(line 7016) the Hoare annotation is: true [2022-11-18 20:30:17,675 INFO L899 garLoopResultBuilder]: For program point L7018-1(line 7018) no Hoare annotation was computed. [2022-11-18 20:30:17,675 INFO L902 garLoopResultBuilder]: At program point L7010(line 7010) the Hoare annotation is: true [2022-11-18 20:30:17,676 INFO L899 garLoopResultBuilder]: For program point L7010-2(lines 7010 7014) no Hoare annotation was computed. [2022-11-18 20:30:17,676 INFO L899 garLoopResultBuilder]: For program point s_alloc_stateEXIT(lines 9171 9190) no Hoare annotation was computed. [2022-11-18 20:30:17,676 INFO L899 garLoopResultBuilder]: For program point L7010-1(line 7010) no Hoare annotation was computed. [2022-11-18 20:30:17,676 INFO L902 garLoopResultBuilder]: At program point L7002(line 7002) the Hoare annotation is: true [2022-11-18 20:30:17,676 INFO L899 garLoopResultBuilder]: For program point L7004-1(line 7004) no Hoare annotation was computed. [2022-11-18 20:30:17,676 INFO L902 garLoopResultBuilder]: At program point L7004(line 7004) the Hoare annotation is: true [2022-11-18 20:30:17,677 INFO L899 garLoopResultBuilder]: For program point L9182(lines 9182 9186) no Hoare annotation was computed. [2022-11-18 20:30:17,677 INFO L899 garLoopResultBuilder]: For program point L7002-2(line 7002) no Hoare annotation was computed. [2022-11-18 20:30:17,677 INFO L902 garLoopResultBuilder]: At program point L7002-1(line 7002) the Hoare annotation is: true [2022-11-18 20:30:17,677 INFO L899 garLoopResultBuilder]: For program point L7017-2(lines 7017 7019) no Hoare annotation was computed. [2022-11-18 20:30:17,677 INFO L899 garLoopResultBuilder]: For program point L7017(lines 7017 7019) no Hoare annotation was computed. [2022-11-18 20:30:17,677 INFO L899 garLoopResultBuilder]: For program point s_alloc_stateFINAL(lines 9171 9190) no Hoare annotation was computed. [2022-11-18 20:30:17,677 INFO L902 garLoopResultBuilder]: At program point L9437-1(line 9437) the Hoare annotation is: true [2022-11-18 20:30:17,678 INFO L899 garLoopResultBuilder]: For program point L9437-2(line 9437) no Hoare annotation was computed. [2022-11-18 20:30:17,678 INFO L902 garLoopResultBuilder]: At program point L9437-3(lines 9437 9439) the Hoare annotation is: true [2022-11-18 20:30:17,678 INFO L902 garLoopResultBuilder]: At program point L9478-5(lines 9433 9482) the Hoare annotation is: true [2022-11-18 20:30:17,678 INFO L899 garLoopResultBuilder]: For program point L9478-6(lines 9478 9481) no Hoare annotation was computed. [2022-11-18 20:30:17,678 INFO L902 garLoopResultBuilder]: At program point L9462-2(lines 9448 9476) the Hoare annotation is: true [2022-11-18 20:30:17,678 INFO L899 garLoopResultBuilder]: For program point L9462(lines 9462 9475) no Hoare annotation was computed. [2022-11-18 20:30:17,678 INFO L902 garLoopResultBuilder]: At program point s_emplace_itemENTRY(lines 9430 9482) the Hoare annotation is: true [2022-11-18 20:30:17,679 INFO L899 garLoopResultBuilder]: For program point s_emplace_itemFINAL(lines 9430 9482) no Hoare annotation was computed. [2022-11-18 20:30:17,679 INFO L902 garLoopResultBuilder]: At program point L9434(line 9434) the Hoare annotation is: true [2022-11-18 20:30:17,679 INFO L902 garLoopResultBuilder]: At program point L9434-1(line 9434) the Hoare annotation is: true [2022-11-18 20:30:17,679 INFO L899 garLoopResultBuilder]: For program point L9434-2(line 9434) no Hoare annotation was computed. [2022-11-18 20:30:17,679 INFO L899 garLoopResultBuilder]: For program point L9464(lines 9464 9466) no Hoare annotation was computed. [2022-11-18 20:30:17,679 INFO L899 garLoopResultBuilder]: For program point L9464-2(lines 9464 9466) no Hoare annotation was computed. [2022-11-18 20:30:17,680 INFO L899 garLoopResultBuilder]: For program point s_emplace_itemEXIT(lines 9430 9482) no Hoare annotation was computed. [2022-11-18 20:30:17,680 INFO L899 garLoopResultBuilder]: For program point L9448-1(lines 9448 9476) no Hoare annotation was computed. [2022-11-18 20:30:17,680 INFO L899 garLoopResultBuilder]: For program point L9436(lines 9436 9440) no Hoare annotation was computed. [2022-11-18 20:30:17,680 INFO L899 garLoopResultBuilder]: For program point L9436-1(lines 9436 9440) no Hoare annotation was computed. [2022-11-18 20:30:17,680 INFO L899 garLoopResultBuilder]: For program point L9478-1(line 9478) no Hoare annotation was computed. [2022-11-18 20:30:17,680 INFO L902 garLoopResultBuilder]: At program point L9478-3(line 9478) the Hoare annotation is: true [2022-11-18 20:30:17,680 INFO L899 garLoopResultBuilder]: For program point L9478-4(line 9478) no Hoare annotation was computed. [2022-11-18 20:30:17,681 INFO L899 garLoopResultBuilder]: For program point L9478(line 9478) no Hoare annotation was computed. [2022-11-18 20:30:17,681 INFO L899 garLoopResultBuilder]: For program point L9338(lines 9338 9340) no Hoare annotation was computed. [2022-11-18 20:30:17,681 INFO L899 garLoopResultBuilder]: For program point L9330(lines 9330 9332) no Hoare annotation was computed. [2022-11-18 20:30:17,681 INFO L899 garLoopResultBuilder]: For program point L9338-2(lines 9338 9340) no Hoare annotation was computed. [2022-11-18 20:30:17,681 INFO L899 garLoopResultBuilder]: For program point L9388(lines 9388 9396) no Hoare annotation was computed. [2022-11-18 20:30:17,681 INFO L899 garLoopResultBuilder]: For program point L9330-2(lines 9330 9332) no Hoare annotation was computed. [2022-11-18 20:30:17,681 INFO L899 garLoopResultBuilder]: For program point L9372(lines 9372 9375) no Hoare annotation was computed. [2022-11-18 20:30:17,681 INFO L899 garLoopResultBuilder]: For program point s_find_entryFINAL(lines 9321 9346) no Hoare annotation was computed. [2022-11-18 20:30:17,681 INFO L899 garLoopResultBuilder]: For program point s_find_entryEXIT(lines 9321 9346) no Hoare annotation was computed. [2022-11-18 20:30:17,681 INFO L902 garLoopResultBuilder]: At program point s_find_entryENTRY(lines 9321 9346) the Hoare annotation is: true [2022-11-18 20:30:17,681 INFO L899 garLoopResultBuilder]: For program point L9377-4(lines 9377 9380) no Hoare annotation was computed. [2022-11-18 20:30:17,681 INFO L899 garLoopResultBuilder]: For program point L9402(lines 9402 9404) no Hoare annotation was computed. [2022-11-18 20:30:17,682 INFO L899 garLoopResultBuilder]: For program point L9377(line 9377) no Hoare annotation was computed. [2022-11-18 20:30:17,682 INFO L902 garLoopResultBuilder]: At program point L9377-1(line 9377) the Hoare annotation is: true [2022-11-18 20:30:17,682 INFO L899 garLoopResultBuilder]: For program point L9377-2(line 9377) no Hoare annotation was computed. [2022-11-18 20:30:17,682 INFO L902 garLoopResultBuilder]: At program point L9406(lines 9348 9407) the Hoare annotation is: true [2022-11-18 20:30:17,682 INFO L902 garLoopResultBuilder]: At program point L9365-2(lines 9365 9399) the Hoare annotation is: true [2022-11-18 20:30:17,682 INFO L899 garLoopResultBuilder]: For program point L9365-3(lines 9365 9399) no Hoare annotation was computed. [2022-11-18 20:30:17,683 INFO L899 garLoopResultBuilder]: For program point L9402-2(lines 9402 9404) no Hoare annotation was computed. [2022-11-18 20:30:17,683 INFO L899 garLoopResultBuilder]: For program point L9337-4(lines 9337 9343) no Hoare annotation was computed. [2022-11-18 20:30:17,683 INFO L899 garLoopResultBuilder]: For program point L9337(line 9337) no Hoare annotation was computed. [2022-11-18 20:30:17,683 INFO L902 garLoopResultBuilder]: At program point L9337-1(line 9337) the Hoare annotation is: true [2022-11-18 20:30:17,683 INFO L899 garLoopResultBuilder]: For program point L9337-2(line 9337) no Hoare annotation was computed. [2022-11-18 20:30:17,683 INFO L899 garLoopResultBuilder]: For program point L9329(lines 9329 9335) no Hoare annotation was computed. [2022-11-18 20:30:17,684 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-18 20:30:17,684 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-18 20:30:17,684 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-18 20:30:17,684 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-18 20:30:17,684 INFO L895 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (= ~tl_last_error~0 |old(~tl_last_error~0)|) [2022-11-18 20:30:17,684 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2022-11-18 20:30:17,684 INFO L899 garLoopResultBuilder]: For program point L7385(lines 7385 7387) no Hoare annotation was computed. [2022-11-18 20:30:17,685 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2022-11-18 20:30:17,685 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6950 6952) no Hoare annotation was computed. [2022-11-18 20:30:17,685 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6950 6952) no Hoare annotation was computed. [2022-11-18 20:30:17,685 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6950 6952) the Hoare annotation is: true [2022-11-18 20:30:17,685 INFO L895 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-18 20:30:17,685 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2022-11-18 20:30:17,686 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2022-11-18 20:30:17,686 INFO L899 garLoopResultBuilder]: For program point aws_is_power_of_twoFINAL(lines 2626 2631) no Hoare annotation was computed. [2022-11-18 20:30:17,686 INFO L899 garLoopResultBuilder]: For program point aws_is_power_of_twoEXIT(lines 2626 2631) no Hoare annotation was computed. [2022-11-18 20:30:17,686 INFO L902 garLoopResultBuilder]: At program point aws_is_power_of_twoENTRY(lines 2626 2631) the Hoare annotation is: true [2022-11-18 20:30:17,686 INFO L895 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: (let ((.cse0 (= ~tl_last_error~0 |old(~tl_last_error~0)|))) (or (and (= (select (select |#memory_int| |aws_add_size_checked_#in~r#1.base|) |aws_add_size_checked_#in~r#1.offset|) (+ |aws_add_size_checked_#in~b#1| |aws_add_size_checked_#in~a#1|)) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_74| Int) (v_ArrVal_2922 Int)) (and (= (store |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_74| v_ArrVal_2922) |#valid|) (= (select |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_74|) 0))) .cse0) (and (<= (+ |aws_add_size_checked_aws_add_u64_checked_#res#1| 1) 0) (or (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) .cse0)))) [2022-11-18 20:30:17,687 INFO L895 garLoopResultBuilder]: At program point aws_add_size_checkedENTRY(lines 2613 2621) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) [2022-11-18 20:30:17,687 INFO L895 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: (and (= |aws_add_size_checked_#in~b#1| |aws_add_size_checked_aws_add_u64_checked_~b#1|) (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |aws_add_size_checked_#in~r#1.base| |aws_add_size_checked_aws_add_u64_checked_~r#1.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |aws_add_size_checked_#in~r#1.offset| |aws_add_size_checked_aws_add_u64_checked_~r#1.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|) (= |aws_add_size_checked_#in~a#1| |aws_add_size_checked_aws_add_u64_checked_~a#1|)) [2022-11-18 20:30:17,687 INFO L899 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2022-11-18 20:30:17,687 INFO L895 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: (and (= |aws_add_size_checked_#in~b#1| |aws_add_size_checked_aws_add_u64_checked_~b#1|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |aws_add_size_checked_#in~r#1.base| |aws_add_size_checked_aws_add_u64_checked_~r#1.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |aws_add_size_checked_#in~r#1.offset| |aws_add_size_checked_aws_add_u64_checked_~r#1.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_74| Int) (v_ArrVal_2922 Int)) (and (= (store |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_74| v_ArrVal_2922) |#valid|) (= (select |old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_74|) 0))) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |aws_add_size_checked_#in~a#1| |aws_add_size_checked_aws_add_u64_checked_~a#1|)) [2022-11-18 20:30:17,687 INFO L899 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2022-11-18 20:30:17,688 INFO L899 garLoopResultBuilder]: For program point aws_add_size_checkedFINAL(lines 2613 2621) no Hoare annotation was computed. [2022-11-18 20:30:17,688 INFO L899 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2022-11-18 20:30:17,688 INFO L899 garLoopResultBuilder]: For program point L6815-1(line 6815) no Hoare annotation was computed. [2022-11-18 20:30:17,688 INFO L895 garLoopResultBuilder]: At program point L6815(line 6815) the Hoare annotation is: (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|)) (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (not (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base| 0)) (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|)) [2022-11-18 20:30:17,688 INFO L895 garLoopResultBuilder]: At program point L6811-1(line 6811) the Hoare annotation is: (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (not (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base| 0)) (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|)) [2022-11-18 20:30:17,688 INFO L895 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_ensure_allocated_hash_table_~max_table_entries#1| 4) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (not (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|)) [2022-11-18 20:30:17,689 INFO L902 garLoopResultBuilder]: At program point L10176(line 10176) the Hoare annotation is: true [2022-11-18 20:30:17,689 INFO L899 garLoopResultBuilder]: For program point L6815-3(line 6815) no Hoare annotation was computed. [2022-11-18 20:30:17,689 INFO L895 garLoopResultBuilder]: At program point L6815-2(line 6815) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0)) (.cse1 (not (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base| 0))) (.cse2 (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|)) (.cse3 (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|))) (or (and .cse0 (<= (+ |ULTIMATE.start_ensure_allocated_hash_table_#t~ret548#1| 1) 0) .cse1 .cse2 .cse3) (and .cse0 (= (+ (* |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 24) 442721857768999609256) (select (select |#memory_int| |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base|) |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset|)) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|)) (= |ULTIMATE.start_ensure_allocated_hash_table_#t~ret548#1| 0) (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) .cse1 (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) .cse2 .cse3))) [2022-11-18 20:30:17,689 INFO L899 garLoopResultBuilder]: For program point L10135-2(line 10135) no Hoare annotation was computed. [2022-11-18 20:30:17,689 INFO L899 garLoopResultBuilder]: For program point L6840-1(line 6840) no Hoare annotation was computed. [2022-11-18 20:30:17,690 INFO L899 garLoopResultBuilder]: For program point L10164(line 10164) no Hoare annotation was computed. [2022-11-18 20:30:17,690 INFO L895 garLoopResultBuilder]: At program point L6840(line 6840) the Hoare annotation is: false [2022-11-18 20:30:17,690 INFO L895 garLoopResultBuilder]: At program point L10164-2(line 10164) the Hoare annotation is: false [2022-11-18 20:30:17,690 INFO L895 garLoopResultBuilder]: At program point L10135(line 10135) the Hoare annotation is: false [2022-11-18 20:30:17,690 INFO L895 garLoopResultBuilder]: At program point L10135-1(line 10135) the Hoare annotation is: false [2022-11-18 20:30:17,690 INFO L899 garLoopResultBuilder]: For program point L10164-3(line 10164) no Hoare annotation was computed. [2022-11-18 20:30:17,690 INFO L899 garLoopResultBuilder]: For program point L10160(lines 10160 10174) no Hoare annotation was computed. [2022-11-18 20:30:17,691 INFO L899 garLoopResultBuilder]: For program point L10160-1(lines 10160 10174) no Hoare annotation was computed. [2022-11-18 20:30:17,691 INFO L895 garLoopResultBuilder]: At program point L10173(line 10173) the Hoare annotation is: false [2022-11-18 20:30:17,691 INFO L899 garLoopResultBuilder]: For program point L6816-1(line 6816) no Hoare annotation was computed. [2022-11-18 20:30:17,691 INFO L899 garLoopResultBuilder]: For program point L10173-1(line 10173) no Hoare annotation was computed. [2022-11-18 20:30:17,691 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:30:17,691 INFO L895 garLoopResultBuilder]: At program point L6816(line 6816) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base|) 0))) (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (not (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|)) (= |ULTIMATE.start_ensure_allocated_hash_table_~#required_bytes~0#1.offset| 0) (= .cse0 (+ (* |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 24) 442721857768999609256)) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (not (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base| 0)) (= .cse0 |ULTIMATE.start_ensure_allocated_hash_table_#t~mem549#1|) (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|))) [2022-11-18 20:30:17,692 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:30:17,692 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:30:17,692 INFO L899 garLoopResultBuilder]: For program point L6812-1(line 6812) no Hoare annotation was computed. [2022-11-18 20:30:17,692 INFO L895 garLoopResultBuilder]: At program point L6812(line 6812) the Hoare annotation is: (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (not (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base| 0)) (<= (mod |ULTIMATE.start_ensure_allocated_hash_table_~num_entries~0#1| 18446744073709551616) 4) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|)) [2022-11-18 20:30:17,692 INFO L899 garLoopResultBuilder]: For program point L10132(lines 10132 10175) no Hoare annotation was computed. [2022-11-18 20:30:17,692 INFO L899 garLoopResultBuilder]: For program point L6841-1(line 6841) no Hoare annotation was computed. [2022-11-18 20:30:17,693 INFO L895 garLoopResultBuilder]: At program point L6841(line 6841) the Hoare annotation is: false [2022-11-18 20:30:17,693 INFO L895 garLoopResultBuilder]: At program point L6833(lines 6831 6834) the Hoare annotation is: false [2022-11-18 20:30:17,693 INFO L899 garLoopResultBuilder]: For program point L10161(lines 10161 10167) no Hoare annotation was computed. [2022-11-18 20:30:17,693 INFO L899 garLoopResultBuilder]: For program point L10161-2(lines 10160 10172) no Hoare annotation was computed. [2022-11-18 20:30:17,693 INFO L895 garLoopResultBuilder]: At program point L10141(line 10141) the Hoare annotation is: false [2022-11-18 20:30:17,693 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:30:17,693 INFO L899 garLoopResultBuilder]: For program point L10141-1(line 10141) no Hoare annotation was computed. [2022-11-18 20:30:17,694 INFO L895 garLoopResultBuilder]: At program point L10170(line 10170) the Hoare annotation is: false [2022-11-18 20:30:17,694 INFO L899 garLoopResultBuilder]: For program point L6809(lines 6809 6819) no Hoare annotation was computed. [2022-11-18 20:30:17,694 INFO L895 garLoopResultBuilder]: At program point L10162(line 10162) the Hoare annotation is: false [2022-11-18 20:30:17,694 INFO L895 garLoopResultBuilder]: At program point L10170-1(line 10170) the Hoare annotation is: false [2022-11-18 20:30:17,694 INFO L899 garLoopResultBuilder]: For program point L10170-2(line 10170) no Hoare annotation was computed. [2022-11-18 20:30:17,694 INFO L895 garLoopResultBuilder]: At program point L10154(lines 10154 10158) the Hoare annotation is: false [2022-11-18 20:30:17,695 INFO L899 garLoopResultBuilder]: For program point L10162-1(line 10162) no Hoare annotation was computed. [2022-11-18 20:30:17,695 INFO L899 garLoopResultBuilder]: For program point L10154-1(lines 10154 10158) no Hoare annotation was computed. [2022-11-18 20:30:17,695 INFO L895 garLoopResultBuilder]: At program point L10138(line 10138) the Hoare annotation is: false [2022-11-18 20:30:17,695 INFO L895 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: (and (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| 0) (= |ULTIMATE.start_ensure_allocated_hash_table_~max_table_entries#1| 4) (= (select |#valid| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) 1) (< |#StackHeapBarrier| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (not (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base| 0)) (= |ULTIMATE.start_ensure_allocated_hash_table_~map#1.base| |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.base|) (= |ULTIMATE.start_aws_hash_table_create_harness_~#map~0#1.offset| |ULTIMATE.start_ensure_allocated_hash_table_~map#1.offset|)) [2022-11-18 20:30:17,695 INFO L895 garLoopResultBuilder]: At program point L6843(lines 6837 6844) the Hoare annotation is: false [2022-11-18 20:30:17,695 INFO L899 garLoopResultBuilder]: For program point L6839-1(line 6839) no Hoare annotation was computed. [2022-11-18 20:30:17,696 INFO L895 garLoopResultBuilder]: At program point L6839(line 6839) the Hoare annotation is: false [2022-11-18 20:30:17,696 INFO L899 garLoopResultBuilder]: For program point L6810-1(line 6810) no Hoare annotation was computed. [2022-11-18 20:30:17,696 INFO L899 garLoopResultBuilder]: For program point L10138-1(line 10138) no Hoare annotation was computed. [2022-11-18 20:30:17,696 INFO L899 garLoopResultBuilder]: For program point L10159-2(line 10159) no Hoare annotation was computed. [2022-11-18 20:30:17,696 INFO L895 garLoopResultBuilder]: At program point L10159(line 10159) the Hoare annotation is: false [2022-11-18 20:30:17,696 INFO L895 garLoopResultBuilder]: At program point L10159-1(line 10159) the Hoare annotation is: false [2022-11-18 20:30:17,696 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-18 20:30:17,697 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-18 20:30:17,697 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-18 20:30:17,697 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-18 20:30:17,697 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-18 20:30:17,697 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-18 20:30:17,701 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:30:17,703 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:30:17,713 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:17,714 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:17,714 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:17,715 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:17,715 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_2922,QUANTIFIED] [2022-11-18 20:30:17,715 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:17,715 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:17,718 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:17,718 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:17,718 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:17,718 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:17,719 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_2922,QUANTIFIED] [2022-11-18 20:30:17,719 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:17,719 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:17,720 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_2922,QUANTIFIED] [2022-11-18 20:30:17,720 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:17,721 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:17,721 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:17,721 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:17,721 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:17,722 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:17,723 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_2922,QUANTIFIED] [2022-11-18 20:30:17,723 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:17,723 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:17,723 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:17,723 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:17,724 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:17,724 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:17,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:30:17 BoogieIcfgContainer [2022-11-18 20:30:17,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:30:17,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:30:17,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:30:17,726 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:30:17,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:01" (3/4) ... [2022-11-18 20:30:17,730 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:30:17,736 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure uninterpreted_equals [2022-11-18 20:30:17,736 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-18 20:30:17,737 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_uninterpreted_equals [2022-11-18 20:30:17,737 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_uninterpreted_hasher [2022-11-18 20:30:17,737 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_is_valid [2022-11-18 20:30:17,737 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-18 20:30:17,737 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-11-18 20:30:17,737 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_required_bytes [2022-11-18 20:30:17,737 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_calloc [2022-11-18 20:30:17,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s_update_template_size [2022-11-18 20:30:17,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_allocator_is_valid [2022-11-18 20:30:17,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s_hash_keys_eq [2022-11-18 20:30:17,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2022-11-18 20:30:17,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-18 20:30:17,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s_hash_for [2022-11-18 20:30:17,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2022-11-18 20:30:17,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 20:30:17,739 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_table_create [2022-11-18 20:30:17,739 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hash_table_state_is_valid [2022-11-18 20:30:17,739 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s_safe_eq_check [2022-11-18 20:30:17,739 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s_alloc_state [2022-11-18 20:30:17,739 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s_emplace_item [2022-11-18 20:30:17,739 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s_find_entry [2022-11-18 20:30:17,739 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-18 20:30:17,739 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2022-11-18 20:30:17,740 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-18 20:30:17,740 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2022-11-18 20:30:17,740 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_power_of_two [2022-11-18 20:30:17,740 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2022-11-18 20:30:17,740 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-18 20:30:17,763 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 256 nodes and edges [2022-11-18 20:30:17,766 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2022-11-18 20:30:17,768 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2022-11-18 20:30:17,769 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-18 20:30:17,771 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-18 20:30:17,773 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:30:17,775 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:30:17,776 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:30:17,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(unknown-#memory_real-unknown) == unknown-#memory_real-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \result + 1 <= 0) || (((\old(b) * \old(a) == unknown-#memory_int-unknown[r][r] && (\exists v___CPROVER_overflow_mult_~#c~1.base_74 : int, v_ArrVal_2922 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_74 := v_ArrVal_2922] == \valid && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_74] == 0)) && tl_last_error == \old(tl_last_error)) && \result == 0) [2022-11-18 20:30:17,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((unknown-#memory_int-unknown[r][r] == \old(b) + \old(a) && (\exists v___CPROVER_overflow_mult_~#c~1.base_74 : int, v_ArrVal_2922 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_74 := v_ArrVal_2922] == \valid && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_74] == 0)) && tl_last_error == \old(tl_last_error)) || (\result + 1 <= 0 && ((((\old(unknown-#memory_real-unknown) == unknown-#memory_real-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || tl_last_error == \old(tl_last_error))) [2022-11-18 20:30:18,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:30:18,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:30:18,300 INFO L158 Benchmark]: Toolchain (without parser) took 264980.41ms. Allocated memory was 119.5MB in the beginning and 463.5MB in the end (delta: 343.9MB). Free memory was 74.8MB in the beginning and 159.3MB in the end (delta: -84.4MB). Peak memory consumption was 258.0MB. Max. memory is 16.1GB. [2022-11-18 20:30:18,301 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:30:18,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4367.27ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 74.6MB in the beginning and 90.3MB in the end (delta: -15.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2022-11-18 20:30:18,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 278.80ms. Allocated memory is still 144.7MB. Free memory was 90.3MB in the beginning and 76.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:30:18,302 INFO L158 Benchmark]: Boogie Preprocessor took 198.57ms. Allocated memory is still 144.7MB. Free memory was 75.6MB in the beginning and 64.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:30:18,302 INFO L158 Benchmark]: RCFGBuilder took 2981.56ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 64.3MB in the beginning and 99.2MB in the end (delta: -34.9MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-11-18 20:30:18,302 INFO L158 Benchmark]: TraceAbstraction took 256572.42ms. Allocated memory was 190.8MB in the beginning and 463.5MB in the end (delta: 272.6MB). Free memory was 99.2MB in the beginning and 290.3MB in the end (delta: -191.1MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2022-11-18 20:30:18,303 INFO L158 Benchmark]: Witness Printer took 573.66ms. Allocated memory is still 463.5MB. Free memory was 290.3MB in the beginning and 159.3MB in the end (delta: 131.1MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2022-11-18 20:30:18,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4367.27ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 74.6MB in the beginning and 90.3MB in the end (delta: -15.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 278.80ms. Allocated memory is still 144.7MB. Free memory was 90.3MB in the beginning and 76.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 198.57ms. Allocated memory is still 144.7MB. Free memory was 75.6MB in the beginning and 64.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2981.56ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 64.3MB in the beginning and 99.2MB in the end (delta: -34.9MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * TraceAbstraction took 256572.42ms. Allocated memory was 190.8MB in the beginning and 463.5MB in the end (delta: 272.6MB). Free memory was 99.2MB in the beginning and 290.3MB in the end (delta: -191.1MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. * Witness Printer took 573.66ms. Allocated memory is still 463.5MB. Free memory was 290.3MB in the beginning and 159.3MB in the end (delta: 131.1MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_2922,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_2922,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_2922,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_2922,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 347 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 256.5s, OverallIterations: 18, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 66.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6980 SdHoareTripleChecker+Valid, 62.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6290 mSDsluCounter, 29008 SdHoareTripleChecker+Invalid, 57.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 5742 IncrementalHoareTripleChecker+Unchecked, 23724 mSDsCounter, 3338 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24356 IncrementalHoareTripleChecker+Invalid, 33436 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3338 mSolverCounterUnsat, 5284 mSDtfsCounter, 24356 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2281 GetRequests, 2020 SyntacticMatches, 9 SemanticMatches, 252 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 27.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=461occurred in iteration=16, InterpolantAutomatonStates: 210, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 18 MinimizatonAttempts, 1194 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 134 LocationsWithAnnotation, 2752 PreInvPairs, 2782 NumberOfFragments, 848 HoareAnnotationTreeSize, 2752 FomulaSimplifications, 651 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 134 FomulaSimplificationsInter, 266 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 132.1s SatisfiabilityAnalysisTime, 49.3s InterpolantComputationTime, 3487 NumberOfCodeBlocks, 3487 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3519 ConstructedInterpolants, 52 QuantifiedInterpolants, 7597 SizeOfPredicates, 70 NumberOfNonLiveVariables, 18916 ConjunctsInSsa, 529 ConjunctsInUnsatCore, 22 InterpolantComputations, 16 PerfectInterpolantSequences, 4088/4146 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6934]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9502]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7348]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9365]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9154]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2637]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7280]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9348]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2497]: Loop Invariant [2022-11-18 20:30:18,317 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:18,317 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:18,317 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:18,317 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:18,318 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_2922,QUANTIFIED] [2022-11-18 20:30:18,318 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:18,318 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:18,319 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:18,319 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:18,319 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:18,319 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:18,319 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_2922,QUANTIFIED] [2022-11-18 20:30:18,320 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:18,320 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] Derived loop invariant: ((((\old(unknown-#memory_real-unknown) == unknown-#memory_real-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \result + 1 <= 0) || (((\old(b) * \old(a) == unknown-#memory_int-unknown[r][r] && (\exists v___CPROVER_overflow_mult_~#c~1.base_74 : int, v_ArrVal_2922 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_74 := v_ArrVal_2922] == \valid && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_74] == 0)) && tl_last_error == \old(tl_last_error)) && \result == 0) - InvariantResult [Line: 2541]: Loop Invariant [2022-11-18 20:30:18,321 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_2922,QUANTIFIED] [2022-11-18 20:30:18,321 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:18,321 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:18,321 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:18,321 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:18,322 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:18,322 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:18,322 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_2922,QUANTIFIED] [2022-11-18 20:30:18,323 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:18,323 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___CPROVER_overflow_mult_~#c~1.base_74,QUANTIFIED] [2022-11-18 20:30:18,323 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:18,323 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-18 20:30:18,323 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-18 20:30:18,323 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((unknown-#memory_int-unknown[r][r] == \old(b) + \old(a) && (\exists v___CPROVER_overflow_mult_~#c~1.base_74 : int, v_ArrVal_2922 : int :: \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_74 := v_ArrVal_2922] == \valid && \old(\valid)[v___CPROVER_overflow_mult_~#c~1.base_74] == 0)) && tl_last_error == \old(tl_last_error)) || (\result + 1 <= 0 && ((((\old(unknown-#memory_real-unknown) == unknown-#memory_real-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || tl_last_error == \old(tl_last_error))) - InvariantResult [Line: 9433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7001]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9437]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:30:18,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6bb04e6-dd6b-4173-aba0-2a669135da14/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